/usr/share/php/PHP/Compat/Function/php_strip_whitespace.php is in php-compat 1.6.0a3-2.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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/**
* Replace T_DOC_COMMENT in PHP 4
*/
if (!defined('T_ML_COMMENT')) {
define('T_ML_COMMENT', T_COMMENT);
} else {
define('T_DOC_COMMENT', T_ML_COMMENT);
}
/**
* Replace php_strip_whitespace()
*
* @category PHP
* @package PHP_Compat
* @license LGPL - http://www.gnu.org/licenses/lgpl.html
* @copyright 2004-2007 Aidan Lister <aidan@php.net>, Arpad Ray <arpad@php.net>
* @link http://php.net/function.php_strip_whitespace
* @author Aidan Lister <aidan@php.net>
* @version $Revision: 269597 $
* @since PHP 5
* @require PHP 4.0.0 (user_error) + Tokenizer extension
*/
function php_compat_php_strip_whitespace($file)
{
// Sanity check
if (!is_scalar($file)) {
user_error('php_strip_whitespace() expects parameter 1 to be string, ' .
gettype($file) . ' given', E_USER_WARNING);
return;
}
// Load file / tokens
$source = implode('', file($file));
$tokens = token_get_all($source);
// Init
$source = '';
$was_ws = false;
// Process
foreach ($tokens as $token) {
if (is_string($token)) {
// Single character tokens
$source .= $token;
} else {
list($id, $text) = $token;
switch ($id) {
// Skip all comments
case T_COMMENT:
case T_ML_COMMENT:
case T_DOC_COMMENT:
break;
// Remove whitespace
case T_WHITESPACE:
// We don't want more than one whitespace in a row replaced
if ($was_ws !== true) {
$source .= ' ';
}
$was_ws = true;
break;
default:
$was_ws = false;
$source .= $text;
break;
}
}
}
return $source;
}
// Define
if (!function_exists('php_strip_whitespace')) {
function php_strip_whitespace($file)
{
return php_compat_php_strip_whitespace($file);
}
}
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