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@ 2014-01-02T16:52:53Z

<?php

function random_password( $length = 8 ) {
    $chars = "abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789!@#$%^&*()_-=+;:,.?";
    $password = substr( str_shuffle( $chars ), 0, $length );
    return $password;
}

for ($i = 0 ; $i < 20 ; $i++) {
    echo random_password()."\n";
}

Output
Performance
VLD
References
Branches

substr: documentation ( source)
str_shuffle: documentation ( source)

preferences:dark modelive preview

29.96 ms | 402 KiB | 5 Q