Copyright (c) 2012, George Argyros All rights reserved.
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The function is providing, at least at the systems tested :), $len bytes of entropy under any PHP installation or operating system. The execution time should be at most 10-20 ms in any system.
Modified by Padraic Brady as part of Zend Framework to use 25% of the original version's iterations.
generate(int $size) : string
The size of the requested random string
stringA string of the requested size
getStrength() : \SecurityLib\Strength
\SecurityLib\StrengthAn instance of one of the strength classes