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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 |
|---|---|
| 380 | function themes_api($action, $args = null) { |
| 381 | |
| 382 | if ( is_array($args) ) |
| 383 | $args = (object)$args; |
| 384 | |
| 385 | if ( !isset($args->per_page) ) |
| 386 | $args->per_page = 24; |
| 387 | |
| 388 | $args = apply_filters('themes_api_args', $args, $action); //NOTE: Ensure that an object is returned via this filter. |
| 389 | $res = apply_filters('themes_api', false, $action, $args); //NOTE: Allows a theme to completely override the builtin WordPress.org API. |
| 390 | |
| 391 | if ( ! $res ) { |
| 392 | $request = wp_remote_post('http://api.wordpress.org/themes/info/1.0/', array( 'body' => array('action' => $action, 'request' => serialize($args))) ); |
| 393 | if ( is_wp_error($request) ) { |
| 394 | $res = new WP_Error('themes_api_failed', __('An Unexpected HTTP Error occurred during the API request.'), $request->get_error_message() ); |
| 395 | } else { |
| 396 | $res = unserialize($request['body']); |
| 397 | if ( ! $res ) |
| 398 | $res = new WP_Error('themes_api_failed', __('An unknown error occurred.'), $request['body']); |