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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 |
|---|---|
| 3319 | 'media-new.php' => array(__('Upload'), 'upload_files'), |
| 3320 | 'edit-comments.php' => array(__('Comments'), 'moderate_comments') |
| 3321 | ); |
| 3322 | |
| 3323 | $default_key = array_keys($default_action); |
| 3324 | $default_key = $default_key[0]; |
| 3325 | if ( isset($actions[$default_key]) ) |
| 3326 | unset($actions[$default_key]); |
| 3327 | $actions = array_merge($default_action, $actions); |
| 3328 | $actions = apply_filters('favorite_actions', $actions); |
| 3329 | |
| 3330 | $allowed_actions = array(); |
| 3331 | foreach ( $actions as $action => $data ) { |
| 3332 | if ( current_user_can($data[1]) ) |
| 3333 | $allowed_actions[$action] = $data[0]; |
| 3334 | } |
| 3335 | |
| 3336 | if ( empty($allowed_actions) ) |
| 3337 | return; |