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To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
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 |
|---|---|
| 2544 | if ( ! isset($pinged) ) |
| 2545 | $pinged = ''; |
| 2546 | |
| 2547 | if ( isset($post_parent) ) |
| 2548 | $post_parent = (int) $post_parent; |
| 2549 | else |
| 2550 | $post_parent = 0; |
| 2551 | |
| 2552 | // Check the post_parent to see if it will cause a hierarchy loop |
| 2553 | $post_parent = apply_filters( 'wp_insert_post_parent', $post_parent, $post_ID, compact( array_keys( $postarr ) ), $postarr ); |
| 2554 | |
| 2555 | if ( isset($menu_order) ) |
| 2556 | $menu_order = (int) $menu_order; |
| 2557 | else |
| 2558 | $menu_order = 0; |
| 2559 | |
| 2560 | if ( !isset($post_password) || 'private' == $post_status ) |
| 2561 | $post_password = ''; |
| 2562 | |