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<?php $a = array(); $s = "String"; var_dump(is_null(strcmp($s,$a))); var_dump(is_null(strcmp($s,"Array")));
Output for 5.3.0 - 7.1.0
Warning: strcmp() expects parameter 2 to be string, array given in /in/88DQ6 on line 4 bool(true) bool(false)
Output for 4.3.0 - 5.2.17
Notice: Array to string conversion in /in/88DQ6 on line 4 bool(false) bool(false)