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<?php |
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// Exit if accessed directly |
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if ( ! defined('ABSPATH')) { |
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exit; |
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} |
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|
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class Upstream_Cache |
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{ |
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protected static $instance; |
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|
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protected $cache = []; |
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|
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public function set($key, $value) |
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{ |
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$this->cache[$key] = $value; |
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} |
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|
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public function get($key) |
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{ |
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if (isset($this->cache[$key])) { |
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return $this->cache[$key]; |
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} |
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|
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return false; |
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} |
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|
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public function reset() |
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{ |
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$this->cache = []; |
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} |
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|
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public static function get_instance() |
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{ |
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if (empty(static::$instance)) { |
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$instance = new self; |
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static::$instance = $instance; |
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} |
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|
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return static::$instance; |
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} |
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} |
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|
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function upstream_cache_get_metadata() |
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{ |
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$str = "upstream_cache_get_metadata"; |
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$args = func_get_args(); |
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|
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for ($i = 0; $i < func_num_args(); $i++) { |
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$str .= $args[$i]; |
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} |
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|
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$cache = Upstream_Cache::get_instance(); |
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$res = $cache->get($str); |
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|
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if ($res !== false) { |
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return $res; |
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} |
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|
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$cache->set($str, $res); |
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|
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return call_user_func_array('get_metadata', $args); |
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} |
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|
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function upstream_cache_get_post_meta() |
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{ |
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$str = "upstream_cache_get_post_meta"; |
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$args = func_get_args(); |
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|
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for ($i = 0; $i < func_num_args(); $i++) { |
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$str .= $args[$i]; |
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} |
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|
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$cache = Upstream_Cache::get_instance(); |
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$res = $cache->get($str); |
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|
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if ($res !== false) { |
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return $res; |
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} |
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|
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$cache->set($str, $res); |
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|
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return call_user_func_array('get_post_meta', $args); |
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} |
