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<? switch(true) { case ($foo == 1): case ($bar == "horse"): $foo = 2; $bar = "hammer"; break; case ($foo == 2): case ($bar == "hammer"): $foo = "horse"; $bar = "horse"; break; default: $foo = $bar; break; } ?>
Output for 5.4.34 - 7.1.0
Notice: Undefined variable: foo in /in/8sC8T on line 4 Notice: Undefined variable: bar in /in/8sC8T on line 5 Notice: Undefined variable: foo in /in/8sC8T on line 9 Notice: Undefined variable: bar in /in/8sC8T on line 10 Notice: Undefined variable: bar in /in/8sC8T on line 15
Output for 4.3.0 - 5.4.32
<? switch(true) { case ($foo == 1): case ($bar == "horse"): $foo = 2; $bar = "hammer"; break; case ($foo == 2): case ($bar == "hammer"): $foo = "horse"; $bar = "horse"; break; default: $foo = $bar; break; } ?>