3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(unserialize("a:2:{i:0;s:3:"foo";i:1;s:3:"bar";}"));
Output for 5.4.0 - 5.4.29
Parse error: syntax error, unexpected 'foo' (T_STRING) in /in/L0Tn0 on line 2
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_STRING in /in/L0Tn0 on line 2
Process exited with code 255.
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180.24 ms | 1395 KiB | 66 Q