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# php_strip_whitespace

(PHP 5)

php_strip_whitespace — Return source with stripped comments and whitespace

### Opis

string php_strip_whitespace ( string `$filename` )

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.

### Parametry

`filename`

  Path to the PHP file.

### Zwracane wartości

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

> Informacja: This function works as described as of PHP 5.0.1. Before this it would only return an empty string. For more information on this bug and its prior behavior, see bug report » #29606.

### Przykłady

Example #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();
?>`

Powyższy przykład wyświetli:

    <?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.

php_check_syntax
show_source
Misc. Funkcje
PHP Manual