php_strip_whitespace

(PHP 5, PHP 7, PHP 8)

php_strip_whitespace — Return source with stripped comments and whitespace

Опис

php_strip_whitespace(string $filename): string

Returns the PHP source code in filename with PHP comments and whitespace removed. This may be useful for determining the amount of actual code in your scripts compared with the amount of comments. This is similar to using php -w from the commandline.

Параметри

filename: Path to the PHP file.

Значення, що повертаються

The stripped source code will be returned on success, or an empty string on failure.

Зауваження:
This function respects the value of the short_open_tag ini directive.

Приклади

Приклад #1 php_strip_whitespace() example

<?php
// PHP comment here

/*
 * Another PHP comment
 */

echo        php_strip_whitespace(__FILE__);
// Newlines are considered whitespace, and are removed too:
do_nothing();
?>

Поданий вище приклад виведе:

<?php
 echo php_strip_whitespace(__FILE__); do_nothing(); ?>

Notice the PHP comments are gone, as are the whitespace and newline after the first echo statement.