| 0,0 → 1,71 |
|---|
| <?php |
| // +----------------------------------------------------------------------+ |
| // | PHP Version 4 | |
| // +----------------------------------------------------------------------+ |
| // | Copyright (c) 1997-2004 The PHP Group | |
| // +----------------------------------------------------------------------+ |
| // | This source file is subject to version 3.0 of the PHP license, | |
| // | that is bundled with this package in the file LICENSE, and is | |
| // | available at through the world-wide-web at | |
| // | http://www.php.net/license/3_0.txt. | |
| // | If you did not receive a copy of the PHP license and are unable to | |
| // | obtain it through the world-wide-web, please send a note to | |
| // | license@php.net so we can mail you a copy immediately. | |
| // +----------------------------------------------------------------------+ |
| // | Authors: Aidan Lister <aidan@php.net> | |
| // +----------------------------------------------------------------------+ |
| // |
| // $Id: str_split.php,v 1.15 2005/06/18 12:15:32 aidan Exp $ |
| |
| |
| /** |
| * Replace str_split() |
| * |
| * @category PHP |
| * @package PHP_Compat |
| * @link http://php.net/function.str_split |
| * @author Aidan Lister <aidan@php.net> |
| * @version $Revision: 1.15 $ |
| * @since PHP 5 |
| * @require PHP 4.0.0 (user_error) |
| */ |
| if (!function_exists('str_split')) { |
| function str_split($string, $split_length = 1) |
| { |
| if (!is_scalar($split_length)) { |
| user_error('str_split() expects parameter 2 to be long, ' . |
| gettype($split_length) . ' given', E_USER_WARNING); |
| return false; |
| } |
| |
| $split_length = (int) $split_length; |
| if ($split_length < 1) { |
| user_error('str_split() The length of each segment must be greater than zero', E_USER_WARNING); |
| return false; |
| } |
| |
| // Select split method |
| if ($split_length < 65536) { |
| // Faster, but only works for less than 2^16 |
| preg_match_all('/.{1,' . $split_length . '}/s', $string, $matches); |
| return $matches[0]; |
| } else { |
| // Required due to preg limitations |
| $arr = array(); |
| $idx = 0; |
| $pos = 0; |
| $len = strlen($string); |
| |
| while ($len > 0) { |
| $blk = ($len < $split_length) ? $len : $split_length; |
| $arr[$idx++] = substr($string, $pos, $blk); |
| $pos += $blk; |
| $len -= $blk; |
| } |
| |
| return $arr; |
| } |
| } |
| } |
| |
| ?> |