SimplePie::get_categories()
Get all categories for the feed
Uses <atom:category>, <category> or <dc:subject>
Method of the class: SimplePie{}
No Hooks.
Return
Array|null
. List of {@see SimplePie_Category} objects
Usage
$SimplePie = new SimplePie(); $SimplePie->get_categories();
Changelog
SimplePie::get_categories() SimplePie::get categories code WP 6.5.2
public function get_categories() { $categories = array(); foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_ATOM_10, 'category') as $category) { $term = null; $scheme = null; $label = null; if (isset($category['attribs']['']['term'])) { $term = $this->sanitize($category['attribs']['']['term'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($category['attribs']['']['scheme'])) { $scheme = $this->sanitize($category['attribs']['']['scheme'], SIMPLEPIE_CONSTRUCT_TEXT); } if (isset($category['attribs']['']['label'])) { $label = $this->sanitize($category['attribs']['']['label'], SIMPLEPIE_CONSTRUCT_TEXT); } $categories[] = $this->registry->create('Category', array($term, $scheme, $label)); } foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_RSS_20, 'category') as $category) { // This is really the label, but keep this as the term also for BC. // Label will also work on retrieving because that falls back to term. $term = $this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT); if (isset($category['attribs']['']['domain'])) { $scheme = $this->sanitize($category['attribs']['']['domain'], SIMPLEPIE_CONSTRUCT_TEXT); } else { $scheme = null; } $categories[] = $this->registry->create('Category', array($term, $scheme, null)); } foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_11, 'subject') as $category) { $categories[] = $this->registry->create('Category', array($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null)); } foreach ((array) $this->get_channel_tags(SIMPLEPIE_NAMESPACE_DC_10, 'subject') as $category) { $categories[] = $this->registry->create('Category', array($this->sanitize($category['data'], SIMPLEPIE_CONSTRUCT_TEXT), null, null)); } if (!empty($categories)) { return array_unique($categories); } return null; }