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PHP

Clear the Embed (oEmbed) Cache

Run on demand to delete every cached embed (videos, tweets and other oEmbed results) from the database, so they are fetched fresh and stale or broken embeds disappear.

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Code

global $wpdb;

$wpide_meta = (int) $wpdb->query( "DELETE FROM {$wpdb->postmeta} WHERE meta_key LIKE '\_oembed\_%'" );
$wpide_ids  = $wpdb->get_col( "SELECT ID FROM {$wpdb->posts} WHERE post_type = 'oembed_cache' LIMIT 2000" );

foreach ( $wpide_ids as $wpide_id ) {
    wp_delete_post( (int) $wpide_id, true );
}

wp_cache_flush();

printf( 'Removed %d cached embed meta row(s) and %d oEmbed cache post(s).', $wpide_meta, count( $wpide_ids ) );

Notes

Run it from the snippet editor; embeds are fetched again the next time each page is viewed.

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