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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 |
|---|---|
| 56 | if ( is_wp_error($request) ) { |
| 57 | $res = new WP_Error('themes_api_failed', __('An Unexpected HTTP Error occured during the API request.</p> <p><a href="?" onclick="document.location.reload(); return false;">Try again</a>'), $request->get_error_message() ); |
| 58 | } else { |
| 59 | $res = unserialize($request['body']); |
| 60 | if ( ! $res ) |
| 61 | $res = new WP_Error('themes_api_failed', __('An unknown error occured'), $request['body']); |
| 62 | } |
| 63 | } |
| 64 | //var_dump(array($args, $res)); |
| 65 | return apply_filters('themes_api_result', $res, $action, $args); |
| 66 | } |
| 67 | |
| 68 | /** |
| 69 | * Retrieve list of WordPress theme features (aka theme tags) |
| 70 | * |
| 71 | * @since 2.8.0 |
| 72 | * |
| 73 | * @return array |
| 74 | */ |