uniqid, usort, create_function, strcasecmp

I found out about a PHP function uniqid. You can see an example of its output on my test page.

Other functions that I’ve learned recently are usort, create_function and strcasecmp.

I also learned that if you want to link to the PHP function documentation you can use a link in the form http://php.net/function_exists where ‘function_exists’ is the function name you’re interested in.

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