3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo($x) { return $x*$x; } $foo = function($x) { return $x*$x; } $bar = foo(2); $baz = $foo(2);
Output for 5.4.0 - 5.4.24
Parse error: syntax error, unexpected '$bar' (T_VARIABLE) in /in/sDEip on line 13
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected T_VARIABLE in /in/sDEip on line 13
Process exited with code 255.
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171.5 ms | 1394 KiB | 61 Q