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<?php $needle = 'baz'; $haystack = array( 'foo', 'bar', 1 ); var_dump($needle); print_r($haystack); var_dump(in_array($needle, $haystack));
Output for 4.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
string(3) "baz" Array ( [0] => foo [1] => bar [2] => 1 ) bool(false)