3v4l.org

run code in 300+ PHP versions simultaneously
<?php (function foo() { return function() { echo 'hello'; } })();
Output for 5.4.0 - 5.4.21
Parse error: syntax error, unexpected 'foo' (T_STRING), expecting '(' in /in/XoXo8 on line 2
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected T_STRING, expecting '(' in /in/XoXo8 on line 2
Process exited with code 255.

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