3v4l.org

run code in 300+ PHP versions simultaneously
<?php define("BAR",5); //define("FOO",TRUE+1); define("BAZ",BAR+10); //echo FOO; echo "<BR>\n",BAZ; const ALPHA = 1; const BETA = ALPHA + 1; echo BETA;

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32.9 ms | 402 KiB | 5 Q