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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 |
|---|---|
| 2948 | } |
| 2949 | update_post_meta($post_ID, '_wp_page_template', $page_template); |
| 2950 | } |
| 2951 | |
| 2952 | wp_transition_post_status($data['post_status'], $previous_status, $post); |
| 2953 | |
| 2954 | if ( $update ) { |
| 2955 | do_action('edit_post', $post_ID, $post); |
| 2956 | $post_after = get_post($post_ID); |
| 2957 | do_action( 'post_updated', $post_ID, $post_after, $post_before); |
| 2958 | } |
| 2959 | |
| 2960 | do_action( "save_post_{$post->post_type}", $post_ID, $post, $update ); |
| 2961 | do_action( 'save_post', $post_ID, $post, $update ); |
| 2962 | do_action( 'wp_insert_post', $post_ID, $post, $update ); |
| 2963 | |
| 2964 | return $post_ID; |
| 2965 | } |
| 2966 | |