How to use php strip_whitespace function

php strip_whitespace function is used to return the source code file with PHP comments and blank characters removed. Its syntax is strip_whitespace(filename). The parameter filename is required and specifies the file name.

How to use php strip_whitespace function?

Definition and Usage

The strip_whitespace() function returns the source code file with PHP comments and whitespace characters removed.

Syntax

strip_whitespace(filename)

Parameters

filename required. Specifies the file name.

Return value:

If successful, it will return the source code with PHP comments and whitespace characters removed, if it fails, it will return empty. Note: In versions prior to PHP 5.0.1, this function simply returned the empty string.

PHP Version: 5

Example

Return the source code of the "test.php" file with the PHP comments and whitespace characters removed:

<?php
// PHP comment
/*
* Another PHP comment
*/
echo php_strip_whitespace ("test.php");
?>

If you select "View Source" in the browser window, it will look like this:

<?php
echo php_strip_whitespace ("test.php"); ?>

The above is the detailed content of How to use php strip_whitespace function. For more information, please follow other related articles on the PHP Chinese website!