3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = function () { $foo = 'hello world'; return $foo; }; var_dump($foo); var_dump($foo())
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.7
Parse error: syntax error, unexpected end of file in /in/PJjHv on line 10
Process exited with code 255.
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