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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 |
|---|---|
| 5664 | function _publish_post_hook( $post_id ) { |
| 5665 | if ( defined( 'XMLRPC_REQUEST' ) ) { |
| 5666 | /** |
| 5667 | * Fires when _publish_post_hook() is called during an XML-RPC request. |
| 5668 | * |
| 5669 | * @since 2.1.0 |
| 5670 | * |
| 5671 | * @param int $post_id Post ID. |
| 5672 | */ |
| 5673 | do_action( 'xmlrpc_publish_post', $post_id ); |
| 5674 | } |
| 5675 | |
| 5676 | if ( defined('WP_IMPORTING') ) |
| 5677 | return; |
| 5678 | |
| 5679 | if ( get_option('default_pingback_flag') ) |
| 5680 | add_post_meta( $post_id, '_pingme', '1' ); |
| 5681 | add_post_meta( $post_id, '_encloseme', '1' ); |
| 5682 | |