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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 2106 | * @param string $title Error title. |
| 2107 | * @param string|array $args Optional arguments to control behavior. |
| 2108 | */ |
| 2109 | function wp_die( $message = '', $title = '', $args = array() ) { |
| 2110 | if ( defined( 'DOING_AJAX' ) && DOING_AJAX ) |
| 2111 | $function = apply_filters( 'wp_die_ajax_handler', '_ajax_wp_die_handler' ); |
| 2112 | elseif ( defined( 'XMLRPC_REQUEST' ) && XMLRPC_REQUEST ) |
| 2113 | $function = apply_filters( 'wp_die_xmlrpc_handler', '_xmlrpc_wp_die_handler' ); |
| 2114 | else |
| 2115 | $function = apply_filters( 'wp_die_handler', '_default_wp_die_handler' ); |
| 2116 | |
| 2117 | call_user_func( $function, $message, $title, $args ); |
| 2118 | } |
| 2119 | |
| 2120 | /** |
| 2121 | * Kill WordPress execution and display HTML message with error message. |
| 2122 | * |
| 2123 | * This is the default handler for wp_die if you want a custom one for your |
| 2124 | * site then you can overload using the wp_die_handler filter in wp_die |