3v4l.org

run code in 300+ PHP versions simultaneously
<?php $s['_id']=3; echo $['_id'];
Output for 5.4.0 - 5.4.16
Parse error: syntax error, unexpected '[', expecting variable (T_VARIABLE) or '$' in /in/eU2vq on line 3
Process exited with code 255.
Output for 5.3.0 - 5.3.26
Parse error: syntax error, unexpected '[', expecting T_VARIABLE or '$' in /in/eU2vq on line 3
Process exited with code 255.
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198.12 ms | 1395 KiB | 51 Q