3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 1; $b = -$a; echo %b;
Output for 5.3.0 - 5.3.27, 5.4.0 - 5.4.21
Parse error: syntax error, unexpected '%' in /in/TVvHs on line 5
Process exited with code 255.

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