3v4l.org

run code in 300+ PHP versions simultaneously
<?php // Everything you enter here will be executed by our servers. Try it! $foo = 'bar'. $bar = 'foo'. echo $foo; if(0 == 'true') { echo 'true'; }
Output for 5.4.0 - 5.4.20
Parse error: syntax error, unexpected 'echo' (T_ECHO) in /in/faRva on line 7
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected T_ECHO in /in/faRva on line 7
Process exited with code 255.
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175.81 ms | 1399 KiB | 56 Q