3v4l.org

run code in 300+ PHP versions simultaneously
<?php function test($var){ echo "test $var\n"; } class bla { public $foo = "test"; public function bar($str) { echo $this->foo($str),"\n"; // php5 fails w/o method below specified } public function foo($val){ echo __FUNCTION__,": \n"; test($val); } } $objBla = new bla(); $objBla->bar("someval"); if (phpversion() >= "7.0.0"){ ($objBla->foo)("nother val"); }
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.26, 7.3.0 - 7.3.13, 7.4.0 - 7.4.1
foo: test someval test nother val
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Parse error: syntax error, unexpected '(' in /in/3pjkE on line 24
Process exited with code 255.

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