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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 |
|---|---|
| 1556 | check_ajax_referer( 'update-' . $post->post_type . '_' . $post_id ); |
| 1557 | |
| 1558 | if ( ! current_user_can( 'edit_post', $post_id ) ) |
| 1559 | die( '-1' ); |
| 1560 | |
| 1561 | $active_lock = array_map( 'absint', explode( ':', $_POST['active_post_lock'] ) ); |
| 1562 | if ( $active_lock[1] != get_current_user_id() ) |
| 1563 | die( '0' ); |
| 1564 | |
| 1565 | $new_lock = ( time() - apply_filters( 'wp_check_post_lock_window', AUTOSAVE_INTERVAL * 2 ) + 5 ) . ':' . $active_lock[1]; |
| 1566 | update_post_meta( $post_id, '_edit_lock', $new_lock, implode( ':', $active_lock ) ); |
| 1567 | die( '1' ); |
| 1568 | case 'dismiss-wp-pointer' : |
| 1569 | $pointer = $_POST['pointer']; |
| 1570 | if ( $pointer != sanitize_key( $pointer ) ) |
| 1571 | die( '0' ); |
| 1572 | |
| 1573 | // check_ajax_referer( 'dismiss-pointer_' . $pointer ); |
| 1574 | |