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run code in 150+ php & hhvm versions
Bugs & Features
<?php $arr1 []= 'wello'; $var2 = 'woodbye wruel world'; var_dump(poor_mans_strcmp('a', 'z')); var_dump(poor_mans_strcmp($arr1, $var2)); var_dump(poor_mans_strcmp($arr1[0], $var2)); var_dump(poor_mans_strcmp($var2, $var2)); function poor_mans_strcmp($str1, $str2) { $result = 0; $str3 = 'a' . $str1; $str4 = 'a' . $str2; var_dump($str3, $str4); if ($str3 < $str4) { $result = -1; } if ($str3 > $str4) { $result = 1; } return $result; }
based on QPTs5
Output for 5.4.0 - 7.1.0
string(2) "aa" string(2) "az" int(-1) Notice: Array to string conversion in /in/kGPae on line 14 string(6) "aArray" string(20) "awoodbye wruel world" int(-1) string(6) "awello" string(20) "awoodbye wruel world" int(-1) string(20) "awoodbye wruel world" string(20) "awoodbye wruel world" int(0)
Output for 4.3.0 - 5.3.29
string(2) "aa" string(2) "az" int(-1) string(6) "aArray" string(20) "awoodbye wruel world" int(-1) string(6) "awello" string(20) "awoodbye wruel world" int(-1) string(20) "awoodbye wruel world" string(20) "awoodbye wruel world" int(0)