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<?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 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: Undefined variable $undefined in /in/VqsdQ on line 7 string(12) "In function:" object(B)#2 (0) { } string(15) "After function:" object(B)#2 (0) { }
Output for 5.0.4 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 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, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined variable: undefined in /in/VqsdQ on line 7 string(12) "In function:" object(B)#2 (0) { } string(15) "After function:" object(B)#2 (0) { }
Output for 7.3.32 - 7.3.33
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/VqsdQ on line 7 string(12) "In function:" object(B)#2 (0) { } string(15) "After function:" object(B)#2 (0) { }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9
Notice: Undefined variable: undefined in /in/VqsdQ on line 7 string(12) "In function:" object(b)(0) { } string(15) "After function:" object(b)(0) { }

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