3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_dump(json_encode('NULL');
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.28
Parse error: syntax error, unexpected ';' in /in/D4MtS on line 3
Process exited with code 255.
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188.24 ms | 1395 KiB | 65 Q