3v4l.org

run code in 300+ PHP versions simultaneously
<?php $greet = function($name) { printf("Hello %s\r\n", $name); }; $greet('World'); $greet('PHP'); $f = function($s) { return $s*2; } $f(4);
Output for 5.4.0 - 5.4.20, 5.5.0 - 5.5.4
Parse error: syntax error, unexpected '$f' (T_VARIABLE) in /in/FI8lN on line 15
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected T_VARIABLE in /in/FI8lN on line 15
Process exited with code 255.
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