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PHP is a server scripting language, widely-used free and a powerful tool for making dynamic and interactive Web pages.
PHP is a efficient alternative to competitors such as Microsoft's ASP.
//PHP code goes here
A PHP file normally contains HTML tags, and some PHP scripting code.
Below, a example of simple PHP file, with a PHP script that uses a built-in PHP function "echo" to output the text "Hello World!" on a web page:
<h1>My first PHP page</h1>
echo "Hello World!";
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