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<?php
defined( 'ABSPATH' ) or die( 'Cheatin’ uh?' );
// WP <3.5 defines.
if ( ! defined( 'SECOND_IN_SECONDS' ) ) {
define( 'SECOND_IN_SECONDS', 1 );
}
if ( ! defined( 'MINUTE_IN_SECONDS' ) ) {
define( 'MINUTE_IN_SECONDS', SECOND_IN_SECONDS * 60 );
}
if ( ! defined( 'HOUR_IN_SECONDS' ) ) {
define( 'HOUR_IN_SECONDS', 60 * MINUTE_IN_SECONDS );
}
if ( ! defined( 'DAY_IN_SECONDS' ) ) {
define( 'DAY_IN_SECONDS', 24 * HOUR_IN_SECONDS );
}
if ( ! defined( 'WEEK_IN_SECONDS' ) ) {
define( 'WEEK_IN_SECONDS', 7 * DAY_IN_SECONDS );
}
if ( ! defined( 'YEAR_IN_SECONDS' ) ) {
define( 'YEAR_IN_SECONDS', 365 * DAY_IN_SECONDS );
}
// copied from core to reduct backcompat to 3.1 and not 3.5.
if ( ! function_exists( 'wp_send_json' ) ) {
/**
* Send a JSON response back to an Ajax request.
*
* @since WordPress 3.5.0
*
* @param mixed $response Variable (usually an array or object) to encode as JSON, then print and die.
*/
function wp_send_json( $response ) {
@header( 'Content-Type: application/json; charset=' . get_option( 'blog_charset' ) );
echo json_encode( $response );
if ( defined( 'DOING_AJAX' ) && DOING_AJAX ) {
wp_die();
} else {
die();
}
}
}
// copied from core to reduct backcompat to 3.1 and not 3.6.
if ( ! function_exists( 'wp_unslash' ) ) {
/**
* Remove slashes from a string or array of strings.
*
* This should be used to remove slashes from data passed to core API that
* expects data to be unslashed.
*
* @since 3.6.0
*
* @param string|array $value String or array of strings to unslash.
* @return string|array Unslashed $value
*/
function wp_unslash( $value ) {
return stripslashes_deep( $value );
}
}
// Copied from core for compatibility with WP < 4.6.
// Removed the error triggering because it relies on another WP 4.6 function.
if ( ! function_exists( 'apply_filters_deprecated' ) ) {
/**
* Fires functions attached to a deprecated filter hook.
*
* When a filter hook is deprecated, the apply_filters() call is replaced with
* apply_filters_deprecated(), which triggers a deprecation notice and then fires
* the original filter hook.
*
* @since 4.6.0
*
* @see _deprecated_hook()
*
* @param string $tag The name of the filter hook.
* @param array $args Array of additional function arguments to be passed to apply_filters().
* @param string $version The version of WordPress that deprecated the hook.
* @param string $replacement Optional. The hook that should have been used.
* @param string $message Optional. A message regarding the change.
*/
function apply_filters_deprecated( $tag, $args, $version, $replacement = false, $message = null ) {
if ( ! has_filter( $tag ) ) {
return $args[0];
}
return apply_filters_ref_array( $tag, $args );
}
}
if ( ! function_exists( 'wp_parse_url' ) ) {
/**
* Copied from core for compatibility with WP < 4.4
* A wrapper for PHP's parse_url() function that handles consistency in the return
* values across PHP versions.
*
* PHP 5.4.7 expanded parse_url()'s ability to handle non-absolute url's, including
* schemeless and relative url's with :// in the path. This function works around
* those limitations providing a standard output on PHP 5.2~5.4+.
*
* Secondly, across various PHP versions, schemeless URLs starting containing a ":"
* in the query are being handled inconsistently. This function works around those
* differences as well.
*
* Error suppression is used as prior to PHP 5.3.3, an E_WARNING would be generated
* when URL parsing failed.
*
* @since 4.4.0
* @since 4.7.0 The $component parameter was added for parity with PHP's parse_url().
*
* @param string $url The URL to parse.
* @param int $component The specific component to retrieve. Use one of the PHP
* predefined constants to specify which one.
* Defaults to -1 (= return all parts as an array).
* @see http://php.net/manual/en/function.parse-url.php
* @return mixed False on parse failure; Array of URL components on success;
* When a specific component has been requested: null if the component
* doesn't exist in the given URL; a sting or - in the case of
* PHP_URL_PORT - integer when it does. See parse_url()'s return values.
*/
function wp_parse_url( $url, $component = -1 ) {
$to_unset = array();
$url = strval( $url );
if ( '//' === substr( $url, 0, 2 ) ) {
$to_unset[] = 'scheme';
$url = 'placeholder:' . $url;
} elseif ( '/' === substr( $url, 0, 1 ) ) {
$to_unset[] = 'scheme';
$to_unset[] = 'host';
$url = 'placeholder://placeholder' . $url;
}
$parts = @parse_url( $url );
if ( false === $parts ) {
// Parsing failure.
return $parts;
}
// Remove the placeholder values.
foreach ( $to_unset as $key ) {
unset( $parts[ $key ] );
}
return _get_component_from_parsed_url_array( $parts, $component );
}
}
if ( ! function_exists( '_get_component_from_parsed_url_array' ) ) {
/**
* Copied from core for compatibility with WP < 4.7
* Retrieve a specific component from a parsed URL array.
*
* @internal
*
* @since 4.7.0
*
* @param array|false $url_parts The parsed URL. Can be false if the URL failed to parse.
* @param int $component The specific component to retrieve. Use one of the PHP
* predefined constants to specify which one.
* Defaults to -1 (= return all parts as an array).
* @see http://php.net/manual/en/function.parse-url.php
* @return mixed False on parse failure; Array of URL components on success;
* When a specific component has been requested: null if the component
* doesn't exist in the given URL; a sting or - in the case of
* PHP_URL_PORT - integer when it does. See parse_url()'s return values.
*/
function _get_component_from_parsed_url_array( $url_parts, $component = -1 ) {
if ( -1 === $component ) {
return $url_parts;
}
$key = _wp_translate_php_url_constant_to_key( $component );
if ( false !== $key && is_array( $url_parts ) && isset( $url_parts[ $key ] ) ) {
return $url_parts[ $key ];
} else {
return null;
}
}
}
if ( ! function_exists( '_wp_translate_php_url_constant_to_key' ) ) {
/**
* Copied from core for compatibility with WP < 4.7
* Translate a PHP_URL_* constant to the named array keys PHP uses.
*
* @internal
*
* @since 4.7.0
*
* @see http://php.net/manual/en/url.constants.php
*
* @param int $constant PHP_URL_* constant.
* @return string|bool The named key or false.
*/
function _wp_translate_php_url_constant_to_key( $constant ) {
$translation = array(
PHP_URL_SCHEME => 'scheme',
PHP_URL_HOST => 'host',
PHP_URL_PORT => 'port',
PHP_URL_USER => 'user',
PHP_URL_PASS => 'pass',
PHP_URL_PATH => 'path',
PHP_URL_QUERY => 'query',
PHP_URL_FRAGMENT => 'fragment',
);
if ( isset( $translation[ $constant ] ) ) {
return $translation[ $constant ];
} else {
return false;
}
}
}
if ( ! function_exists( 'hash_equals' ) ) {
/**
* Polyfill for hash_equals function not available before 5.6
*
* @since 2.10.6
* @author Remy Perona
*
* @see http://php.net/manual/fr/function.hash-equals.php
*
* @param string $known_string The string of known length to compare against.
* @param string $user_string The user-supplied string.
* @return bool Returns TRUE when the two strings are equal, FALSE otherwise.
*/
function hash_equals( $known_string, $user_string ) {
$ret = 0;
if ( strlen( $known_string ) !== strlen( $user_string ) ) {
$user_string = $known_string;
$ret = 1;
}
$res = $known_string ^ $user_string;
for ( $i = strlen( $res ) - 1; $i >= 0; --$i ) {
$ret |= ord( $res[ $i ] );
}
return ! $ret;
}
}