3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php class A{ function do_stuff(&$b) { $defined = 0; #trigger_error("If I fixed the undefined variable but enabled this line instead, it will also turn b from an object into a string! So user-triggered notices bork it as well."); $x = $undefined || $defined ? 14 : 0; var_dump('In function:', $b); } } class B{} $a = new A(); $b = new B(); $a->do_stuff($b); var_dump('After function:', $b);
Output for 5.0.4 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Notice: Undefined variable: undefined in /in/Jjgq7 on line 7 string(12) "In function:" object(B)#2 (0) { } string(15) "After function:" object(B)#2 (0) { }
Output for 5.0.0 - 5.0.3
Notice: Undefined variable: undefined in /in/Jjgq7 on line 7 string(12) "In function:" object(B)#2 (0) { } string(15) "After function:" object(B)#2 (0) { }
Output for 4.3.0 - 4.4.9
Notice: Undefined variable: undefined in /in/Jjgq7 on line 7 string(12) "In function:" object(b)(0) { } string(15) "After function:" object(b)(0) { }