3v4l.org

run code in 300+ PHP versions simultaneously
<?php $obj = new StdClass; $obj->fn = function($arg) { return "Hello $arg"; }; echo ($obj->fn)('World'); class Bla { public $fn; public $fn2; public $fn3 = function(){ return "Fued!"; }; public function __construct(){ $this->fn2 = function(){ return "Fu!"; }; } } $bla = new Bla; $bla->fn = function($arg="Bu"){return "Hello lo $arg"; }; // can't do in class! echo ($bla->fn)('Wa'); $blah = new Bla(); echo ($bla->fn2)(); echo ($bla->fun3)();
Output for 7.0.0 - 7.0.2
Fatal error: Constant expression contains invalid operations in /in/sKY5L on line 12
Process exited with code 255.
Output for 5.5.24 - 5.5.31, 5.6.8 - 5.6.17
Parse error: syntax error, unexpected '(', expecting ',' or ';' in /in/sKY5L on line 5
Process exited with code 255.
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165.2 ms | 1395 KiB | 28 Q