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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 |
|---|---|
| 42 | if ( is_wp_error($request) ) { |
| 43 | $res = new WP_Error('plugins_api_failed', __('An Unexpected HTTP Error occurred during the API request.</p> <p><a href="?" onclick="document.location.reload(); return false;">Try again</a>'), $request->get_error_message() ); |
| 44 | } else { |
| 45 | $res = unserialize($request['body']); |
| 46 | if ( ! $res ) |
| 47 | $res = new WP_Error('plugins_api_failed', __('An unknown error occurred'), $request['body']); |
| 48 | } |
| 49 | } |
| 50 | |
| 51 | return apply_filters('plugins_api_result', $res, $action, $args); |
| 52 | } |
| 53 | |
| 54 | /** |
| 55 | * Retrieve popular WordPress plugin tags. |
| 56 | * |
| 57 | * @since 2.7.0 |
| 58 | * |
| 59 | * @param array $args |
| 60 | * @return array |