PHP Programing language

How can Passing Function with Some data
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How do you pass data to function so those function can operate on the data? As in other languages, that's what the function

syntax :

<html>
<head>
<title>Passing data to Functions </title>
<body>
<h1>Passing data to Functions </h1>
<?php
echo "About to call the function <br>";
echo "Passing data to the function <br>";
display ("Hello", "there!");
function display ($greeting,$message)
{
	echo $greeting;
	echo $message;
}
?>
</body>
</html>

 

Output:

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