3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 0; $b = -0; echo $a; $echo $b;
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.6
Parse error: syntax error, unexpected '$b' (T_VARIABLE) in /in/0YSGK on line 6
Process exited with code 255.
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174.32 ms | 1395 KiB | 35 Q