3v4l.org

run code in 300+ PHP versions simultaneously
<?php class bla { public $foo = function ($var){ echo "closure test $var\n"; }; public function bar($str) { echo $this->foo($str); } } $objBla = new bla(); $objBla->bar("someval");
Output for 7.0.0 - 7.0.2
Fatal error: Constant expression contains invalid operations in /in/4Ze6n on line 7
Process exited with code 255.
Output for 5.5.24 - 5.5.31, 5.6.8 - 5.6.17
Parse error: syntax error, unexpected 'function' (T_FUNCTION) in /in/4Ze6n on line 5
Process exited with code 255.
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