How to write program in php?

In PHP, it is very easy to write program.

First open note pad or any text editor.
write html code and php code.
then save your file with .php extension under www folder in WAMP server or htdocs folder in xampp server.

Example :- How to write PHP program?

File Name : index.php

<html>
<head>
<title></title>
</head>
<body>
<?php

echo "Hello mahtab Habib";

?>
<br>
<?php
echo "<h2>Hello Sana Mahtab</h2>";
?>
</body>
</html>

Output :-

Hello mahtab Habib
Hello Sana mahtab

Echo is slightly faster than print.
Parameters : echo allows more than one parameter where as print does not.
Expression :- print works like a function and returns true value after successfully executed.

Example

File Name : index.php

<? Php
print "Hello PHP", "Hello java";
// it will generate error.
?>
Whereas
<? Php
echo "Hello Php", " Hello java";
?>

Output :-

Hello Php Hello java

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