Initial Commit

database/php/pear/PHP/Compat/Function/str_split.php

@@ -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;
+        }
+    }
+}
+
+?>