diff options
Diffstat (limited to 'system/helpers/string_helper.php')
-rw-r--r-- | system/helpers/string_helper.php | 155 |
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 */
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