Concatenation operator in php


concatenation operator is use when we required to print multiple string with echo function. concatenation operator  represented as "." is use between two strings which are require to concatenated. for more understand see below code.


<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title></title>
</head>
<body>
<?php
$name ="Khan";
$_num = 15;
$tutorial ="php";
echo "Hi friends my name is ".$name.". this is tutorial number ".$_num." of ".$tutorial;
?>
</body>
</html>