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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 |
---|---|
2363 | $function = apply_filters( 'wp_die_xmlrpc_handler', '_xmlrpc_wp_die_handler' ); |
2364 | } else { |
2365 | /** |
2366 | * Filter callback for killing WordPress execution for all non-AJAX, non-XML-RPC requests. |
2367 | * |
2368 | * @since 3.0.0 |
2369 | * |
2370 | * @param callback $function Callback function name. |
2371 | */ |
2372 | $function = apply_filters( 'wp_die_handler', '_default_wp_die_handler' ); |
2373 | } |
2374 |
|
2375 | call_user_func( $function, $message, $title, $args ); |
2376 | } |
2377 |
|
2378 | /** |
2379 | * Kill WordPress execution and display HTML message with error message. |
2380 | * |
2381 | * This is the default handler for wp_die if you want a custom one for your |