3v4l.org

run code in 300+ PHP versions simultaneously
<?php $heading = 'h2'; echo ++'h3';
Output for 5.4.0 - 5.4.31
Parse error: syntax error, unexpected ''h3'' (T_CONSTANT_ENCAPSED_STRING) in /in/r9qgp on line 4
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_CONSTANT_ENCAPSED_STRING in /in/r9qgp on line 4
Process exited with code 255.
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180.98 ms | 1395 KiB | 68 Q