3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a=array("m"->10,"sm"->20,"xl"->30,"xxl"->10); $b=json_encode($a); echo $b; echo json_decode($b);
Output for 5.4.0 - 5.4.25
Parse error: syntax error, unexpected '->' (T_OBJECT_OPERATOR), expecting ')' in /in/pJ6DO on line 2
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_OBJECT_OPERATOR, expecting ')' in /in/pJ6DO on line 2
Process exited with code 255.
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217.68 ms | 1395 KiB | 62 Q