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February 8, 2021 18:01
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WordPress - Cache wp_oembed_get
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| <?php | |
| // from https://snippets.khromov.se/how-to-cache-the-wp_oembed_get-function/ | |
| define('CUSTOM_OEMBED_CACHE_KEY', 'coc_'); | |
| function _wp_custom_oembed_cache_key($url, $args) { | |
| $args_serialized = serialize($args); | |
| return CUSTOM_OEMBED_CACHE_KEY . md5("{$url}-{$args_serialized}"); | |
| } | |
| add_filter('oembed_result', function($data, $url, $args) { | |
| // Cache result | |
| set_transient(_wp_custom_oembed_cache_key($url, $args), $data, DAY_IN_SECONDS); | |
| return $data; | |
| }, 999, 3); | |
| add_filter('pre_oembed_result', function($result, $url, $args) { | |
| // Clean out empty oembed calls caused by Divi | |
| if(trim($url) === '') { | |
| return ''; | |
| } | |
| // Return cached result if available | |
| if($cached_result = get_transient(_wp_custom_oembed_cache_key($url, $args))) { | |
| return $cached_result; | |
| } | |
| return $result; | |
| }, 2, 3); |
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