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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.
This hook occurs 2 times in this file.
| Line | Code |
|---|---|
| 106 | update_site_option('can_compress_scripts', 0); |
| 107 | } elseif ( 'yes' == $_GET['test'] ) { |
| 108 | update_site_option('can_compress_scripts', 1); |
| 109 | } |
| 110 | } |
| 111 | |
| 112 | die('0'); |
| 113 | break; |
| 114 | default : |
| 115 | do_action( 'wp_ajax_' . $_GET['action'] ); |
| 116 | die('0'); |
| 117 | break; |
| 118 | endswitch; |
| 119 | endif; |
| 120 | |
| 121 | /** |
| 122 | * Sends back current comment total and new page links if they need to be updated. |
| 123 | * |
| 124 | * Contrary to normal success AJAX response ("1"), die with time() on success. |
| Line | Code |
| 1337 | if ( !empty($_POST['add_new']) ) |
| 1338 | die(); |
| 1339 | |
| 1340 | if ( $form = $wp_registered_widget_controls[$widget_id] ) |
| 1341 | call_user_func_array( $form['callback'], $form['params'] ); |
| 1342 | |
| 1343 | die(); |
| 1344 | break; |
| 1345 | default : |
| 1346 | do_action( 'wp_ajax_' . $_POST['action'] ); |
| 1347 | die('0'); |
| 1348 | break; |
| 1349 | endswitch; |
| 1350 | ?> |
| 1351 | |