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<?php

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/**

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* Feed API: WP_Feed_Cache_Transient class

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* @package WordPress

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* @subpackage Feed

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* @since 4.7.0

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/**

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* Core class used to implement feed cache transients.

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* @since 2.8.0

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#[AllowDynamicProperties]

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class WP_Feed_Cache_Transient {

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/**

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* Holds the transient name.

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* @since 2.8.0

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* @var string

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public $name;

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/**

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* Holds the transient mod name.

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* @since 2.8.0

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* @var string

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public $mod_name;

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/**

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* Holds the cache duration in seconds.

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* Defaults to 43200 seconds (12 hours).

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* @since 2.8.0

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* @var int

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public $lifetime = 43200;

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/**

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* Constructor.

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* @since 2.8.0

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* @since 3.2.0 Updated to use a PHP5 constructor.

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* @param string $location URL location (scheme is used to determine handler).

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* @param string $filename Unique identifier for cache object.

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* @param string $extension 'spi' or 'spc'.

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public function __construct( $location, $filename, $extension ) {

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$this->name = 'feed_' . $filename;

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$this->mod_name = 'feed_mod_' . $filename;

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$lifetime = $this->lifetime;

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/**

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* Filters the transient lifetime of the feed cache.

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* @since 2.8.0

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* @param int $lifetime Cache duration in seconds. Default is 43200 seconds (12 hours).

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* @param string $filename Unique identifier for the cache object.

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$this->lifetime = apply_filters( 'wp_feed_cache_transient_lifetime', $lifetime, $filename );

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}

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/**

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* Sets the transient.

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* @since 2.8.0

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* @param SimplePie $data Data to save.

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* @return true Always true.

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public function save( $data ) {

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if ( $data instanceof SimplePie ) {

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$data = $data->data;

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}

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set_transient( $this->name, $data, $this->lifetime );

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set_transient( $this->mod_name, time(), $this->lifetime );

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return true;

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}

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/**

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* Gets the transient.

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* @since 2.8.0

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* @return mixed Transient value.

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public function load() {

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return get_transient( $this->name );

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}

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/**

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* Gets mod transient.

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* @since 2.8.0

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* @return mixed Transient value.

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public function mtime() {

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return get_transient( $this->mod_name );

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}

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/**

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* Sets mod transient.

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* @since 2.8.0

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* @return bool False if value was not set and true if value was set.

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public function touch() {

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return set_transient( $this->mod_name, time(), $this->lifetime );

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}

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/**

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* Deletes transients.

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* @since 2.8.0

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* @return true Always true.

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public function unlink() {

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delete_transient( $this->name );

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delete_transient( $this->mod_name );

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return true;

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}

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}

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