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WHAT IS PHP ?

PHP is a language designed for the web. It is an "add-on" to a web server, which allows that server to process additional instructions.

PHP delivers only the results of those instructions to the browser. It does not send any PHP code.

.: How PHP is processed by a web server :.

To recap, all PHP code is processed server side.

To illustrate furthur - an exact opposite of this behaviour is Javascript, which is processed client side on your computer, by your browser.

Next :: A quick example:

 

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