Reading $_GET values from a URL String in PHP

Reading $_GET values from a URL String in PHP was something I had been interested in for a while. It was quite simple to read the $_GET values from the current page’s URL (obviously), but what if you were using AJAX and passing a URL to figure out what data needed to be passed/used? There’s several other reasons why you may need this, but I digress.

While looking for a way to read $_GET variables from a string in PHP, I stumbled across this forum post on Stack Exchange.

parse_str( parse_url( $url, PHP_URL_QUERY ), $array );

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