3v4l.org

run code in 150+ php & hhvm versions
Bugs & Features
<?php $arr1 []= 'wello'; $var2 = 'woodbye wruel world'; $var3 = pack("C*", 0x76, 0x32 + 0x33, 0x6c, 0x6e-2, 0x6f); var_dump(poor_mans_strcmp('a', 'z')); var_dump(poor_mans_strcmp('q111f', 'fffff')); var_dump(poor_mans_strcmp($arr1, $var2)); var_dump(poor_mans_strcmp($arr1[0], $var2)); var_dump(poor_mans_strcmp($var2, $var2)); var_dump(poor_mans_strcmp($arr1[0], $var3)); function poor_mans_strcmp($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 17RtE
Output for 5.4.0 - 5.6.28, hhvm-3.10.0 - 3.13.2, 7.0.0 - 7.1.0
string(2) "aa" string(2) "az" int(-1) string(6) "aq111f" string(6) "afffff" int(1) Notice: Array to string conversion in /in/abRJG on line 17 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) string(6) "awello" string(6) "avello" int(1)
Output for 4.3.0 - 5.3.29
string(2) "aa" string(2) "az" int(-1) string(6) "aq111f" string(6) "afffff" 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) string(6) "awello" string(6) "avello" int(1)