3v4l.org

run code in 300+ PHP versions simultaneously
<?php function test($var){ echo "in function: ",__FUNCTION__; echo "testing $var\n"; } class bla { public $foo = ["test"]; public function bar($str="default") { echo ($this->foo)($str),"\n"; // php5 fails w/o method below specified } } (new bla)->bar();
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught Error: Array callback must have exactly two elements in /in/uieji:13 Stack trace: #0 /in/uieji(18): bla->bar() #1 {main} thrown in /in/uieji on line 13
Process exited with code 255.
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Fatal error: Uncaught Error: Function name must be a string in /in/uieji:13 Stack trace: #0 /in/uieji(18): bla->bar() #1 {main} thrown in /in/uieji on line 13
Process exited with code 255.
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
Parse error: syntax error, unexpected '(', expecting ',' or ';' in /in/uieji on line 13
Process exited with code 255.

preferences:
262.66 ms | 402 KiB | 330 Q