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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 |
|---|---|
| 3160 | function favorite_actions() { |
| 3161 | $actions = array( |
| 3162 | 'post-new.php' => array(__('New Post'), 'edit_posts'), |
| 3163 | 'edit.php?post_status=draft' => array(__('Drafts'), 'edit_posts'), |
| 3164 | 'page-new.php' => array(__('New Page'), 'edit_pages'), |
| 3165 | 'media-new.php' => array(__('Upload'), 'upload_files'), |
| 3166 | 'edit-comments.php' => array(__('Comments'), 'moderate_comments') |
| 3167 | ); |
| 3168 | |
| 3169 | $actions = apply_filters('favorite_actions', $actions); |
| 3170 | |
| 3171 | $allowed_actions = array(); |
| 3172 | foreach ( $actions as $action => $data ) { |
| 3173 | if ( current_user_can($data[1]) ) |
| 3174 | $allowed_actions[$action] = $data[0]; |
| 3175 | } |
| 3176 | |
| 3177 | if ( empty($allowed_actions) ) |
| 3178 | return; |