david
28b02db2ea
git-svn-id: https://192.168.0.254/svn/Proyectos.Incam_SGD/tags/3.7.0.2_original@1 eb19766c-00d9-a042-a3a0-45cb8ec72764
71 lines
2.6 KiB
PHP
71 lines
2.6 KiB
PHP
<?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> |
|
|
// +----------------------------------------------------------------------+
|
|
//
|
|
// $Id$
|
|
|
|
|
|
/**
|
|
* Replace str_split()
|
|
*
|
|
* @category PHP
|
|
* @package PHP_Compat
|
|
* @link http://php.net/function.str_split
|
|
* @author Aidan Lister <aidan@php.net>
|
|
* @version $Revision$
|
|
* @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;
|
|
}
|
|
}
|
|
}
|
|
|
|
?>
|