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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 |
|---|---|
| 574 | break; |
| 575 | case 'sample-permalink': |
| 576 | check_ajax_referer( 'samplepermalink', 'samplepermalinknonce' ); |
| 577 | $post_id = isset($_POST['post_id'])? intval($_POST['post_id']) : 0; |
| 578 | $title = isset($_POST['new_title'])? $_POST['new_title'] : ''; |
| 579 | $slug = isset($_POST['new_slug'])? $_POST['new_slug'] : ''; |
| 580 | die(get_sample_permalink_html($post_id, $title, $slug)); |
| 581 | break; |
| 582 | default : |
| 583 | do_action( 'wp_ajax_' . $_POST['action'] ); |
| 584 | die('0'); |
| 585 | break; |
| 586 | endswitch; |
| 587 | ?> |
| 588 | |