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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 |
|---|---|
| 5517 | function _publish_post_hook($post_id) { |
| 5518 | if ( defined( 'XMLRPC_REQUEST' ) ) { |
| 5519 | /** |
| 5520 | * Fires when _publish_post_hook() is called during an XML-RPC request. |
| 5521 | * |
| 5522 | * @since 2.1.0 |
| 5523 | * |
| 5524 | * @param int $post_id Post ID. |
| 5525 | */ |
| 5526 | do_action( 'xmlrpc_publish_post', $post_id ); |
| 5527 | } |
| 5528 | |
| 5529 | if ( defined('WP_IMPORTING') ) |
| 5530 | return; |
| 5531 | |
| 5532 | if ( get_option('default_pingback_flag') ) |
| 5533 | add_post_meta( $post_id, '_pingme', '1' ); |
| 5534 | add_post_meta( $post_id, '_encloseme', '1' ); |
| 5535 | |