3v4l.org

run code in 300+ PHP versions simultaneously
<?php $arr = ("a"=>"one", "b"=>"two"); echo $json_encode($arr);
Output for 7.2.0 - 7.2.26, 7.3.0 - 7.3.13, 7.4.0 - 7.4.1
Parse error: syntax error, unexpected '=>' (T_DOUBLE_ARROW) in /in/NJlvH on line 3
Process exited with code 255.
preferences:
172.06 ms | 1410 KiB | 50 Q