Initial Commit of AgileBill Open Source
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86
includes/pear/Compat/Function/php_strip_whitespace.php
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86
includes/pear/Compat/Function/php_strip_whitespace.php
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<?php
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// +----------------------------------------------------------------------+
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// | PHP Version 4 |
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// +----------------------------------------------------------------------+
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// | Copyright (c) 1997-2004 The PHP Group |
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// +----------------------------------------------------------------------+
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// | This source file is subject to version 3.0 of the PHP license, |
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// | that is bundled with this package in the file LICENSE, and is |
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// | available at through the world-wide-web at |
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// | http://www.php.net/license/3_0.txt. |
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// | If you did not receive a copy of the PHP license and are unable to |
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// | obtain it through the world-wide-web, please send a note to |
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// | license@php.net so we can mail you a copy immediately. |
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// +----------------------------------------------------------------------+
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// | Authors: Aidan Lister <aidan@php.net> |
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// +----------------------------------------------------------------------+
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//
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// $Id: php_strip_whitespace.php,v 1.1 2005/07/23 05:56:03 Tony Exp $
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/**
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* Replace php_strip_whitespace()
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*
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* @category PHP
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* @package PHP_Compat
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* @link http://php.net/function.php_strip_whitespace
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* @author Aidan Lister <aidan@php.net>
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* @version $Revision: 1.1 $
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* @since PHP 5
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* @require PHP 4.0.0 (user_error) + Tokenizer extension
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*/
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if (!function_exists('php_strip_whitespace')) {
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function php_strip_whitespace($file)
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{
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// Sanity check
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if (!is_scalar($file)) {
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user_error('php_strip_whitespace() expects parameter 1 to be string, ' .
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gettype($file) . ' given', E_USER_WARNING);
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return;
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}
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// Load file / tokens
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$source = implode('', file($file));
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$tokens = token_get_all($source);
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// Init
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$source = '';
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$was_ws = false;
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// Process
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foreach ($tokens as $token) {
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if (is_string($token)) {
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// Single character tokens
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$source .= $token;
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} else {
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list($id, $text) = $token;
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switch ($id) {
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// Skip all comments
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case T_COMMENT:
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case T_ML_COMMENT:
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case T_DOC_COMMENT:
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break;
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// Remove whitespace
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case T_WHITESPACE:
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// We don't want more than one whitespace in a row replaced
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if ($was_ws !== true) {
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$source .= ' ';
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}
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$was_ws = true;
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break;
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default:
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$was_ws = false;
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$source .= $text;
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break;
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}
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}
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}
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return $source;
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}
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}
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?>
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