3v4l.org

run code in 300+ PHP versions simultaneously
<?php function foo(&$x, &$y, &$z){} $values = array(10, 20, 30); call_user_func_array('foo', $values);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Warning: foo(): Argument #1 ($x) must be passed by reference, value given in /in/7p22O on line 7 Warning: foo(): Argument #2 ($y) must be passed by reference, value given in /in/7p22O on line 7 Warning: foo(): Argument #3 ($z) must be passed by reference, value given in /in/7p22O on line 7
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: Parameter 1 to foo() expected to be a reference, value given in /in/7p22O on line 7 Warning: Parameter 2 to foo() expected to be a reference, value given in /in/7p22O on line 7 Warning: Parameter 3 to foo() expected to be a reference, value given in /in/7p22O on line 7
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33
Warning: Parameter 1 to foo() expected to be a reference, value given in /in/7p22O on line 7
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
preferences:
287 ms | 402 KiB | 460 Q