3v4l.org

run code in 300+ PHP versions simultaneously
<?php $var = print("hello world"); var_dump($var); echo "\n"; echo $var; echo "\n"; print $var; echo "\n"; echo print("hello world"); echo "\n"; print print("hello world"); echo "\n"; print("hello world"); echo echo "hello world"; ?>
Output for 5.4.0 - 5.4.29
Parse error: syntax error, unexpected 'echo' (T_ECHO) in /in/rvrZh on line 25
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_ECHO in /in/rvrZh on line 25
Process exited with code 255.
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188.17 ms | 1395 KiB | 66 Q