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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 |
---|---|
3627 | $function = apply_filters( 'wp_die_jsonp_handler', '_jsonp_wp_die_handler' ); |
3628 | } elseif ( defined( 'XMLRPC_REQUEST' ) && XMLRPC_REQUEST ) { |
3629 | /** |
3630 | * Filters the callback for killing WordPress execution for XML-RPC requests. |
3631 | * |
3632 | * @since 3.4.0 |
3633 | * |
3634 | * @param callable $function Callback function name. |
3635 | */ |
3636 | $function = apply_filters( 'wp_die_xmlrpc_handler', '_xmlrpc_wp_die_handler' ); |
3637 | } elseif ( wp_is_xml_request() |
3638 | || isset( $wp_query ) && |
3639 | ( function_exists( 'is_feed' ) && is_feed() |
3640 | || function_exists( 'is_comment_feed' ) && is_comment_feed() |
3641 | || function_exists( 'is_trackback' ) && is_trackback() ) ) { |
3642 | /** |
3643 | * Filters the callback for killing WordPress execution for XML requests. |
3644 | * |
3645 | * @since 5.2.0 |