3v4l.org

run code in 300+ PHP versions simultaneously
<?php $array = json_decode('[ { "pattern": "firefox", "isPatternRegExp": false, "name": "Firefox", "type": "browser", "cssClass": "firefox", "versionPattern": "!firefox\\/([0-9]+)\\.!" }, { "pattern": "chrome", "isPatternRegExp": false, "name": "Chrome", "type": "browser", "cssClass": "chrome", "versionPattern": "!chrome\\/([0-9]+)\\.!" }, ]', true); var_dump($array);exit; var_dump(array_merge_recursive($array, $array));

preferences:
55.15 ms | 402 KiB | 5 Q