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run code in 150+ php & hhvm versions
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<?php $val1 = "foo\0"; $val2 = "foo"; var_dump($val1, $val2, $val1 == $val2); var_dump(trim($val1) == $val2);
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
string(4) "foo" string(3) "foo" bool(false) bool(true)