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run code in 150+ php & hhvm versions
Bugs & Features
<?php $a = array(); $s = "String"; var_dump(is_null(strcmp($s,$a))); var_dump(is_null(strcmp($s,"Array"))); var_dump(is_null(strcmp($s))); if ( !strcmp($s) ) echo "Open Sesame!";
Output for 5.3.0 - 5.6.28, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
Warning: strcmp() expects parameter 2 to be string, array given in /in/7nf8i on line 4 bool(true) bool(false) Warning: strcmp() expects exactly 2 parameters, 1 given in /in/7nf8i on line 6 bool(true) Warning: strcmp() expects exactly 2 parameters, 1 given in /in/7nf8i on line 7 Open Sesame!
Output for 4.3.0 - 5.2.17
Notice: Array to string conversion in /in/7nf8i on line 4 bool(false) bool(false) Warning: Wrong parameter count for strcmp() in /in/7nf8i on line 6 bool(true) Warning: Wrong parameter count for strcmp() in /in/7nf8i on line 7 Open Sesame!