3v4l.org

run code in 300+ PHP versions simultaneously
<?php $query = "SELECT post_id, meta_value FROM wpdb->postmeta WHERE meta_key = 'val' " . "ORDER BY CHAR_LENGTH(meta_value) DESC, meta_value DESC LIMIT 5"; echo $query;
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
SELECT post_id, meta_value FROM wpdb->postmeta WHERE meta_key = 'val' ORDER BY CHAR_LENGTH(meta_value) DESC, meta_value DESC LIMIT 5

preferences:
274.64 ms | 406 KiB | 460 Q