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-rw-r--r--system/helpers/string_helper.php155
1 files changed, 69 insertions, 86 deletions
diff --git a/system/helpers/string_helper.php b/system/helpers/string_helper.php
index 9fa69f46c..a6a6b485d 100644
--- a/system/helpers/string_helper.php
+++ b/system/helpers/string_helper.php
@@ -1,27 +1,37 @@
-<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
- * An open source application development framework for PHP 5.1.6 or newer
+ * An open source application development framework for PHP 5.2.4 or newer
+ *
+ * NOTICE OF LICENSE
+ *
+ * Licensed under the Open Software License version 3.0
+ *
+ * This source file is subject to the Open Software License (OSL 3.0) that is
+ * bundled with this package in the files license.txt / license.rst. It is
+ * also available through the world wide web at this URL:
+ * http://opensource.org/licenses/OSL-3.0
+ * If you did not receive a copy of the license and are unable to obtain it
+ * through the world wide web, please send an email to
+ * licensing@ellislab.com so we can send you a copy immediately.
*
* @package CodeIgniter
- * @author ExpressionEngine Dev Team
- * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
+ * @author EllisLab Dev Team
+ * @copyright Copyright (c) 2008 - 2012, EllisLab, Inc. (http://ellislab.com/)
+ * @license http://opensource.org/licenses/OSL-3.0 Open Software License (OSL 3.0)
* @link http://codeigniter.com
* @since Version 1.0
* @filesource
*/
-// ------------------------------------------------------------------------
-
/**
* CodeIgniter String Helpers
*
* @package CodeIgniter
* @subpackage Helpers
* @category Helpers
- * @author ExpressionEngine Dev Team
+ * @author EllisLab Dev Team
* @link http://codeigniter.com/user_guide/helpers/string_helper.html
*/
@@ -38,7 +48,6 @@
*
* this/that/theother
*
- * @access public
* @param string
* @return string
*/
@@ -57,7 +66,6 @@ if ( ! function_exists('trim_slashes'))
*
* Removes slashes contained in a string or in an array
*
- * @access public
* @param mixed string or array
* @return mixed string or array
*/
@@ -65,16 +73,14 @@ if ( ! function_exists('strip_slashes'))
{
function strip_slashes($str)
{
- if (is_array($str))
+ if ( ! is_array($str))
{
- foreach ($str as $key => $val)
- {
- $str[$key] = strip_slashes($val);
- }
+ return stripslashes($str);
}
- else
+
+ foreach ($str as $key => $val)
{
- $str = stripslashes($str);
+ $str[$key] = strip_slashes($val);
}
return $str;
@@ -88,7 +94,6 @@ if ( ! function_exists('strip_slashes'))
*
* Removes single and double quotes from a string
*
- * @access public
* @param string
* @return string
*/
@@ -107,7 +112,6 @@ if ( ! function_exists('strip_quotes'))
*
* Converts single and double quotes to entities
*
- * @access public
* @param string
* @return string
*/
@@ -133,7 +137,6 @@ if ( ! function_exists('quotes_to_entities'))
*
* http://www.some-site.com/index.php
*
- * @access public
* @param string
* @return string
*/
@@ -141,7 +144,7 @@ if ( ! function_exists('reduce_double_slashes'))
{
function reduce_double_slashes($str)
{
- return preg_replace("#(^|[^:])//+#", "\\1/", $str);
+ return preg_replace('#(^|[^:])//+#', '\\1/', $str);
}
}
@@ -158,7 +161,6 @@ if ( ! function_exists('reduce_double_slashes'))
*
* Fred, Bill, Joe, Jimmy
*
- * @access public
* @param string
* @param string the character you wish to reduce
* @param bool TRUE/FALSE - whether to trim the character from the beginning/end
@@ -169,13 +171,7 @@ if ( ! function_exists('reduce_multiples'))
function reduce_multiples($str, $character = ',', $trim = FALSE)
{
$str = preg_replace('#'.preg_quote($character, '#').'{2,}#', $character, $str);
-
- if ($trim === TRUE)
- {
- $str = trim($str, $character);
- }
-
- return $str;
+ return ($trim === TRUE) ? trim($str, $character) : $str;
}
}
@@ -186,56 +182,44 @@ if ( ! function_exists('reduce_multiples'))
*
* Useful for generating passwords or hashes.
*
- * @access public
* @param string type of random string. basic, alpha, alunum, numeric, nozero, unique, md5, encrypt and sha1
- * @param integer number of characters
+ * @param int number of characters
* @return string
*/
if ( ! function_exists('random_string'))
{
function random_string($type = 'alnum', $len = 8)
{
- switch($type)
+ switch ($type)
{
- case 'basic' : return mt_rand();
- break;
- case 'alnum' :
- case 'numeric' :
- case 'nozero' :
- case 'alpha' :
-
- switch ($type)
- {
- case 'alpha' : $pool = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
- break;
- case 'alnum' : $pool = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
- break;
- case 'numeric' : $pool = '0123456789';
- break;
- case 'nozero' : $pool = '123456789';
- break;
- }
-
- $str = '';
- for ($i=0; $i < $len; $i++)
- {
- $str .= substr($pool, mt_rand(0, strlen($pool) -1), 1);
- }
- return $str;
- break;
- case 'unique' :
- case 'md5' :
-
- return md5(uniqid(mt_rand()));
- break;
- case 'encrypt' :
- case 'sha1' :
-
- $CI =& get_instance();
- $CI->load->helper('security');
-
- return do_hash(uniqid(mt_rand(), TRUE), 'sha1');
- break;
+ case 'basic':
+ return mt_rand();
+ case 'alnum':
+ case 'numeric':
+ case 'nozero':
+ case 'alpha':
+ switch ($type)
+ {
+ case 'alpha':
+ $pool = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
+ break;
+ case 'alnum':
+ $pool = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
+ break;
+ case 'numeric':
+ $pool = '0123456789';
+ break;
+ case 'nozero':
+ $pool = '123456789';
+ break;
+ }
+ return substr(str_shuffle(str_repeat($pool, ceil($len / strlen($pool)))), 0, $len);
+ case 'unique':
+ case 'md5':
+ return md5(uniqid(mt_rand()));
+ case 'encrypt':
+ case 'sha1':
+ return sha1(uniqid(mt_rand(), TRUE));
}
}
}
@@ -245,16 +229,18 @@ if ( ! function_exists('random_string'))
/**
* Add's _1 to a string or increment the ending number to allow _2, _3, etc
*
- * @param string $str required
- * @param string $separator What should the duplicate number be appended with
- * @param string $first Which number should be used for the first dupe increment
- * @return string
+ * @param string required
+ * @param string What should the duplicate number be appended with
+ * @param string Which number should be used for the first dupe increment
+ * @return string
*/
-function increment_string($str, $separator = '_', $first = 1)
+if ( ! function_exists('increment_string'))
{
- preg_match('/(.+)'.$separator.'([0-9]+)$/', $str, $match);
-
- return isset($match[2]) ? $match[1].$separator.($match[2] + 1) : $str.$separator.$first;
+ function increment_string($str, $separator = '_', $first = 1)
+ {
+ preg_match('/(.+)'.$separator.'([0-9]+)$/', $str, $match);
+ return isset($match[2]) ? $match[1].$separator.($match[2] + 1) : $str.$separator.$first;
+ }
}
// ------------------------------------------------------------------------
@@ -262,10 +248,9 @@ function increment_string($str, $separator = '_', $first = 1)
/**
* Alternator
*
- * Allows strings to be alternated. See docs...
+ * Allows strings to be alternated. See docs...
*
- * @access public
- * @param string (as many parameters as needed)
+ * @param string (as many parameters as needed)
* @return string
*/
if ( ! function_exists('alternator'))
@@ -289,19 +274,17 @@ if ( ! function_exists('alternator'))
/**
* Repeater function
*
- * @access public
* @param string
- * @param integer number of repeats
+ * @param int number of repeats
* @return string
*/
if ( ! function_exists('repeater'))
{
function repeater($data, $num = 1)
{
- return (($num > 0) ? str_repeat($data, $num) : '');
+ return ($num > 0) ? str_repeat($data, $num) : '';
}
}
-
/* End of file string_helper.php */
/* Location: ./system/helpers/string_helper.php */ \ No newline at end of file