3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a=5; const A=$a; echo A;
Output for 5.4.0 - 5.4.22
Parse error: syntax error, unexpected '$a' (T_VARIABLE) in /in/Mrvqp on line 3
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected T_VARIABLE in /in/Mrvqp on line 3
Process exited with code 255.
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177.81 ms | 1395 KiB | 58 Q