WordPress/wp-includes/error-protection.php

55 lines
1.5 KiB
PHP

<?php
/**
* Error Protection API: Functions
*
* @package WordPress
* @since 5.2.0
*/
/**
* Registers the shutdown handler for fatal errors.
*
* The handler will only be registered if {@see wp_is_fatal_error_handler_enabled()} returns true.
*
* @since 5.2.0
*/
function wp_register_fatal_error_handler() {
if ( ! wp_is_fatal_error_handler_enabled() ) {
return;
}
$handler = null;
if ( defined( 'WP_CONTENT_DIR' ) && is_readable( WP_CONTENT_DIR . '/fatal-error-handler.php' ) ) {
$handler = include WP_CONTENT_DIR . '/fatal-error-handler.php';
}
if ( ! is_object( $handler ) || ! is_callable( array( $handler, 'handle' ) ) ) {
$handler = new WP_Fatal_Error_Handler();
}
register_shutdown_function( array( $handler, 'handle' ) );
}
/**
* Checks whether the fatal error handler is enabled.
*
* A constant `WP_DISABLE_FATAL_ERROR_HANDLER` can be set in `wp-config.php` to disable it, or alternatively the
* {@see 'wp_fatal_error_handler_enabled'} filter can be used to modify the return value.
*
* @since 5.2.0
*
* @return bool True if the fatal error handler is enabled, false otherwise.
*/
function wp_is_fatal_error_handler_enabled() {
$enabled = ! defined( 'WP_DISABLE_FATAL_ERROR_HANDLER' ) || ! WP_DISABLE_FATAL_ERROR_HANDLER;
/**
* Filters whether the fatal error handler is enabled.
*
* @since 5.2.0
*
* @param bool $enabled True if the fatal error handler is enabled, false otherwise.
*/
return apply_filters( 'wp_fatal_error_handler_enabled', $enabled );
}