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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 |
---|---|
2702 | $function = apply_filters( 'wp_die_xmlrpc_handler', '_xmlrpc_wp_die_handler' ); |
2703 | } else { |
2704 | /** |
2705 | * Filters the callback for killing WordPress execution for all non-Ajax, non-XML-RPC requests. |
2706 | * |
2707 | * @since 3.0.0 |
2708 | * |
2709 | * @param callable $function Callback function name. |
2710 | */ |
2711 | $function = apply_filters( 'wp_die_handler', '_default_wp_die_handler' ); |
2712 | } |
2713 |
|
2714 | call_user_func( $function, $message, $title, $args ); |
2715 | } |
2716 |
|
2717 | /** |
2718 | * Kills WordPress execution and display HTML message with error message. |
2719 | * |
2720 | * This is the default handler for wp_die if you want a custom one for your |