WP hooks navigation: Home/browse • Actions index • Filters index
To save our bandwidth, we show only a snippet of code around each occurence of the hook. View complete file in SVN (without highlighting).
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 |
|---|---|
| 518 | * @return WP_Error|SimplePie WP_Error object on failure or SimplePie object on success |
| 519 | */ |
| 520 | function fetch_feed($url) { |
| 521 | require_once (ABSPATH . WPINC . '/class-feed.php'); |
| 522 | |
| 523 | $feed = new SimplePie(); |
| 524 | $feed->set_feed_url($url); |
| 525 | $feed->set_cache_class('WP_Feed_Cache'); |
| 526 | $feed->set_file_class('WP_SimplePie_File'); |
| 527 | $feed->set_cache_duration(apply_filters('wp_feed_cache_transient_lifetime', 43200)); |
| 528 | $feed->init(); |
| 529 | $feed->handle_content_type(); |
| 530 | |
| 531 | if ( $feed->error() ) |
| 532 | return new WP_Error('simplepie-error', $feed->error()); |
| 533 | |
| 534 | return $feed; |
| 535 | } |
| 536 | |