mirror of
https://github.com/WordPress/WordPress.git
synced 2024-11-18 16:45:31 +01:00
df808fc42d
The `__autoload()` function is deprecated in PHP 7.2, which means WordPress' own `__autoload()` compat function for PHP 5.2 needs to be moved into a separate file to prevent the PHP 7.2 compiler from complaining. Props ayeshrajans See #40109 Built from https://develop.svn.wordpress.org/trunk@41178 git-svn-id: http://core.svn.wordpress.org/trunk@41018 1a063a9b-81f0-0310-95a4-ce76da25c4cd
101 lines
2.5 KiB
PHP
101 lines
2.5 KiB
PHP
<?php
|
|
/**
|
|
* Polyfill for SPL autoload feature. This file is separate to prevent compiler notices
|
|
* on the deprecated __autoload() function.
|
|
*
|
|
* See https://core.trac.wordpress.org/ticket/41134
|
|
*
|
|
* @package PHP
|
|
* @access private
|
|
*/
|
|
|
|
if ( ! function_exists( 'spl_autoload_register' ) ) {
|
|
$_wp_spl_autoloaders = array();
|
|
|
|
/**
|
|
* Autoloader compatibility callback.
|
|
*
|
|
* @since 4.6.0
|
|
*
|
|
* @param string $classname Class to attempt autoloading.
|
|
*/
|
|
function __autoload( $classname ) {
|
|
global $_wp_spl_autoloaders;
|
|
foreach ( $_wp_spl_autoloaders as $autoloader ) {
|
|
if ( ! is_callable( $autoloader ) ) {
|
|
// Avoid the extra warning if the autoloader isn't callable.
|
|
continue;
|
|
}
|
|
|
|
call_user_func( $autoloader, $classname );
|
|
|
|
// If it has been autoloaded, stop processing.
|
|
if ( class_exists( $classname, false ) ) {
|
|
return;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Registers a function to be autoloaded.
|
|
*
|
|
* @since 4.6.0
|
|
*
|
|
* @param callable $autoload_function The function to register.
|
|
* @param bool $throw Optional. Whether the function should throw an exception
|
|
* if the function isn't callable. Default true.
|
|
* @param bool $prepend Whether the function should be prepended to the stack.
|
|
* Default false.
|
|
*/
|
|
function spl_autoload_register( $autoload_function, $throw = true, $prepend = false ) {
|
|
if ( $throw && ! is_callable( $autoload_function ) ) {
|
|
// String not translated to match PHP core.
|
|
throw new Exception( 'Function not callable' );
|
|
}
|
|
|
|
global $_wp_spl_autoloaders;
|
|
|
|
// Don't allow multiple registration.
|
|
if ( in_array( $autoload_function, $_wp_spl_autoloaders ) ) {
|
|
return;
|
|
}
|
|
|
|
if ( $prepend ) {
|
|
array_unshift( $_wp_spl_autoloaders, $autoload_function );
|
|
} else {
|
|
$_wp_spl_autoloaders[] = $autoload_function;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Unregisters an autoloader function.
|
|
*
|
|
* @since 4.6.0
|
|
*
|
|
* @param callable $function The function to unregister.
|
|
* @return bool True if the function was unregistered, false if it could not be.
|
|
*/
|
|
function spl_autoload_unregister( $function ) {
|
|
global $_wp_spl_autoloaders;
|
|
foreach ( $_wp_spl_autoloaders as &$autoloader ) {
|
|
if ( $autoloader === $function ) {
|
|
unset( $autoloader );
|
|
return true;
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
/**
|
|
* Retrieves the registered autoloader functions.
|
|
*
|
|
* @since 4.6.0
|
|
*
|
|
* @return array List of autoloader functions.
|
|
*/
|
|
function spl_autoload_functions() {
|
|
return $GLOBALS['_wp_spl_autoloaders'];
|
|
}
|
|
}
|