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PHP Function to create random alphanumeric strings
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/** | |
* function to generate random strings | |
* @param int $length number of characters in the generated string | |
* @return string a new string is created with random characters of the desired length | |
*/ | |
function RandomString($length = 32) { | |
$randstr = ''; | |
srand((double) microtime(TRUE) * 1000000); | |
//our array add all letters and numbers if you wish | |
$chars = array( | |
'a', 'b', 'c', 'd', 'e', 'f', 'g', 'h', 'i', 'j', 'k', 'l', 'm', 'n', 'p', | |
'q', 'r', 's', 't', 'u', 'v', 'w', 'x', 'y', 'z', '1', '2', '3', '4', '5', | |
'6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F', 'G', 'H', 'I', 'J', 'K', | |
'L', 'M', 'N', 'O', 'P', 'Q', 'R', 'S', 'T', 'U', 'V', 'W', 'X', 'Y', 'Z'); | |
for ($rand = 0; $rand <= $length; $rand++) { | |
$random = rand(0, count($chars) - 1); | |
$randstr .= $chars[$random]; | |
} | |
return $randstr; | |
} |
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