PHP 自动生成密码

[php]代码库

function generatePassword($length=9, $strength=0) { 
    $vowels = 'aeuy'; 
    $consonants = 'bdghjmnpqrstvz'; 
    if ($strength >= 1) { 
        $consonants .= 'BDGHJLMNPQRSTVWXZ'; 
    } 
    if ($strength >= 2) { 
        $vowels .= "AEUY"; 
    } 
    if ($strength >= 4) { 
        $consonants .= '23456789'; 
    } 
    if ($strength >= 8 ) { 
        $vowels .= '@#$%'; 
    } 
 
    $password = ''; 
    $alt = time() % 2; 
    for ($i = 0; $i < $length; $i++) { 
        if ($alt == 1) { 
            $password .= $consonants[(rand() % strlen($consonants))]; 
            $alt = 0; 
        } else { 
            $password .= $vowels[(rand() % strlen($vowels))]; 
            $alt = 1; 
        } 
    } 
    return $password; 
}