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PHP sample

Basic PHP Syntax

A PHP scripting block always starts with . A PHP scripting block can be placed anywhere in the document.

On servers with shorthand support enabled you can start a scripting block with .

For maximum compatibility, we recommend that you use the standard form (?>

A PHP file normally contains HTML tags, just like an HTML file, and some PHP scripting code.

Below, we have an example of a simple PHP script which sends the text "Hello World" to the browser:
html //within open and end amgle brackets <>
body //within open and end amgle brackets <>
echo "Hello World";
?>
/body //within open and end amgle brackets <>
/html //within open and end amgle brackets <>
Each code line in PHP must end with a semicolon. The semicolon is a separator and is used to distinguish one set of instructions from another.

There are two basic statements to output text with PHP: echo and print. In the example above we have used the echo statement to output the text "Hello World".

Note: The file must have a .php extension. If the file has a .html extension, the PHP code will not be executed.
Comments in PHP

In PHP, we use // to make a single-line comment or /* and */ to make a large comment block.
html //within open and end amgle brackets <>
body //within open and end amgle brackets <>

//This is a comment

/*
This is
a comment
block
*/
?>

/body //within open and end amgle brackets <>
/html //within open and end amgle brackets <>


/div //within open and end amgle brackets <>

Hi......

how are you?