3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a=1; $b=$a; echo ++$a+ ++$a; echo $b; echo $a
Output for 5.4.0 - 5.4.22, 5.5.0 - 5.5.6
Parse error: syntax error, unexpected end of file, expecting ',' or ';' in /in/s86Ks on line 7
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected $end, expecting ',' or ';' in /in/s86Ks on line 7
Process exited with code 255.
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182.73 ms | 1394 KiB | 65 Q