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run code in 200+ php & hhvm versions
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<?php class Foo { static public $arr = array("test"); function bar( $str ){ var_dump(self::$arr[0]); (self::$arr[0])( $str ); } static function test($var) { echo "Testing: $var\n"; } } (new Foo)->bar("bla");
based on ktrDO
Output for 7.0.0 - 7.2.0
string(4) "test" Fatal error: Uncaught Error: Call to undefined function test() in /in/BbBJt:8 Stack trace: #0 /in/BbBJt(18): Foo->bar('bla') #1 {main} thrown in /in/BbBJt on line 8
Process exited with code 255.
Output for 5.3.22 - 5.6.28
Parse error: syntax error, unexpected '(' in /in/BbBJt on line 8
Process exited with code 255.