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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 |
---|---|
3398 | * |
3399 | * @since 3.2.0 |
3400 | * @since 5.5.0 Added the `$post` parameter. |
3401 | * |
3402 | * @see wp_delete_post() |
3403 | * |
3404 | * @param int $postid Post ID. |
3405 | * @param WP_Post $post Post object. |
3406 | */ |
3407 | do_action( 'before_delete_post', $postid, $post ); |
3408 |
|
3409 | delete_post_meta( $postid, '_wp_trash_meta_status' ); |
3410 | delete_post_meta( $postid, '_wp_trash_meta_time' ); |
3411 |
|
3412 | wp_delete_object_term_relationships( $postid, get_object_taxonomies( $post->post_type ) ); |
3413 |
|
3414 | $parent_data = array( 'post_parent' => $post->post_parent ); |
3415 | $parent_where = array( 'post_parent' => $postid ); |
3416 |
|