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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 |
|---|---|
| 61 | $page_hook = get_plugin_page_hook($plugin_page, $plugin_page); |
| 62 | // backwards compatibility for plugins using add_management_page |
| 63 | if ( empty( $page_hook ) && 'edit.php' == $pagenow && '' != get_plugin_page_hook($plugin_page, 'tools.php') ) { |
| 64 | wp_redirect('tools.php?page=' . $plugin_page); |
| 65 | exit; |
| 66 | } |
| 67 | } |
| 68 | |
| 69 | if ( $page_hook ) { |
| 70 | do_action('load-' . $page_hook); |
| 71 | if (! isset($_GET['noheader'])) |
| 72 | require_once(ABSPATH . 'wp-admin/admin-header.php'); |
| 73 | |
| 74 | do_action($page_hook); |
| 75 | } else { |
| 76 | if ( validate_file($plugin_page) ) { |
| 77 | wp_die(__('Invalid plugin page')); |
| 78 | } |
| 79 | |