<?php function password_generate($chars) { $data = '1234567890ABCDEFGHIJKLMNOPQRSTUVWXYZabcefghijklmnopqrstuvwxyz'; return substr(str_shuffle($data), 0, $chars); } echo password_generate(7); ?> - See more at: http://www.w3resource.com/php-exercises/php-string-exercises.php#sthash.tKmyePfQ.dpuf
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