diff options
Diffstat (limited to 'system/helpers/string_helper.php')
-rw-r--r-- | system/helpers/string_helper.php | 544 |
1 files changed, 272 insertions, 272 deletions
diff --git a/system/helpers/string_helper.php b/system/helpers/string_helper.php index 4e376a88c..319002ea7 100644 --- a/system/helpers/string_helper.php +++ b/system/helpers/string_helper.php @@ -1,273 +1,273 @@ -<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
-/**
- * CodeIgniter
- *
- * An open source application development framework for PHP 4.3.2 or newer
- *
- * @package CodeIgniter
- * @author ExpressionEngine Dev Team
- * @copyright Copyright (c) 2008, EllisLab, Inc.
- * @license http://codeigniter.com/user_guide/license.html
- * @link http://codeigniter.com
- * @since Version 1.0
- * @filesource
- */
-
-// ------------------------------------------------------------------------
-
-/**
- * CodeIgniter String Helpers
- *
- * @package CodeIgniter
- * @subpackage Helpers
- * @category Helpers
- * @author ExpressionEngine Dev Team
- * @link http://codeigniter.com/user_guide/helpers/string_helper.html
- */
-
-// ------------------------------------------------------------------------
-
-/**
- * Trim Slashes
- *
- * Removes any leading/traling slashes from a string:
- *
- * /this/that/theother/
- *
- * becomes:
- *
- * this/that/theother
- *
- * @access public
- * @param string
- * @return string
- */
-if ( ! function_exists('trim_slashes'))
-{
- function trim_slashes($str)
- {
- return trim($str, '/');
- }
-}
-
-// ------------------------------------------------------------------------
-
-/**
- * Strip Slashes
- *
- * Removes slashes contained in a string or in an array
- *
- * @access public
- * @param mixed string or array
- * @return mixed string or array
- */
-if ( ! function_exists('strip_slashes'))
-{
- function strip_slashes($str)
- {
- if (is_array($str))
- {
- foreach ($str as $key => $val)
- {
- $str[$key] = strip_slashes($val);
- }
- }
- else
- {
- $str = stripslashes($str);
- }
-
- return $str;
- }
-}
-
-// ------------------------------------------------------------------------
-
-/**
- * Strip Quotes
- *
- * Removes single and double quotes from a string
- *
- * @access public
- * @param string
- * @return string
- */
-if ( ! function_exists('strip_quotes'))
-{
- function strip_quotes($str)
- {
- return str_replace(array('"', "'"), '', $str);
- }
-}
-
-// ------------------------------------------------------------------------
-
-/**
- * Quotes to Entities
- *
- * Converts single and double quotes to entities
- *
- * @access public
- * @param string
- * @return string
- */
-if ( ! function_exists('quotes_to_entities'))
-{
- function quotes_to_entities($str)
- {
- return str_replace(array("\'","\"","'",'"'), array("'",""","'","""), $str);
- }
-}
-
-// ------------------------------------------------------------------------
-/**
- * Reduce Double Slashes
- *
- * Converts double slashes in a string to a single slash,
- * except those found in http://
- *
- * http://www.some-site.com//index.php
- *
- * becomes:
- *
- * http://www.some-site.com/index.php
- *
- * @access public
- * @param string
- * @return string
- */
-if ( ! function_exists('reduce_double_slashes'))
-{
- function reduce_double_slashes($str)
- {
- return preg_replace("#([^:])//+#", "\\1/", $str);
- }
-}
-
-// ------------------------------------------------------------------------
-
-/**
- * Reduce Multiples
- *
- * Reduces multiple instances of a particular character. Example:
- *
- * Fred, Bill,, Joe, Jimmy
- *
- * becomes:
- *
- * Fred, Bill, Joe, Jimmy
- *
- * @access public
- * @param string
- * @param string the character you wish to reduce
- * @param bool TRUE/FALSE - whether to trim the character from the beginning/end
- * @return string
- */
-if ( ! function_exists('reduce_multiples'))
-{
- function reduce_multiples($str, $character = ',', $trim = FALSE)
- {
- $str = preg_replace('#'.preg_quote($character, '#').'{2,}#', $character, $str);
-
- if ($trim === TRUE)
- {
- $str = trim($str, $character);
- }
-
- return $str;
- }
-}
-
-// ------------------------------------------------------------------------
-
-/**
- * Create a Random String
- *
- * Useful for generating passwords or hashes.
- *
- * @access public
- * @param string type of random string. Options: alunum, numeric, nozero, unique
- * @param integer number of characters
- * @return string
- */
-if ( ! function_exists('random_string'))
-{
- function random_string($type = 'alnum', $len = 8)
- {
- switch($type)
- {
- case 'alnum' :
- case 'numeric' :
- case 'nozero' :
-
- switch ($type)
- {
- 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' : return md5(uniqid(mt_rand()));
- break;
- }
- }
-}
-
-// ------------------------------------------------------------------------
-
-/**
- * Alternator
- *
- * Allows strings to be alternated. See docs...
- *
- * @access public
- * @param string (as many parameters as needed)
- * @return string
- */
-if ( ! function_exists('alternator'))
-{
- function alternator()
- {
- static $i;
-
- if (func_num_args() == 0)
- {
- $i = 0;
- return '';
- }
- $args = func_get_args();
- return $args[($i++ % count($args))];
- }
-}
-
-// ------------------------------------------------------------------------
-
-/**
- * Repeater function
- *
- * @access public
- * @param string
- * @param integer number of repeats
- * @return string
- */
-if ( ! function_exists('repeater'))
-{
- function repeater($data, $num = 1)
- {
- return (($num > 0) ? str_repeat($data, $num) : '');
- }
-}
-
-
-/* End of file string_helper.php */
+<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +/** + * CodeIgniter + * + * An open source application development framework for PHP 4.3.2 or newer + * + * @package CodeIgniter + * @author ExpressionEngine Dev Team + * @copyright Copyright (c) 2008, EllisLab, Inc. + * @license http://codeigniter.com/user_guide/license.html + * @link http://codeigniter.com + * @since Version 1.0 + * @filesource + */ + +// ------------------------------------------------------------------------ + +/** + * CodeIgniter String Helpers + * + * @package CodeIgniter + * @subpackage Helpers + * @category Helpers + * @author ExpressionEngine Dev Team + * @link http://codeigniter.com/user_guide/helpers/string_helper.html + */ + +// ------------------------------------------------------------------------ + +/** + * Trim Slashes + * + * Removes any leading/traling slashes from a string: + * + * /this/that/theother/ + * + * becomes: + * + * this/that/theother + * + * @access public + * @param string + * @return string + */ +if ( ! function_exists('trim_slashes')) +{ + function trim_slashes($str) + { + return trim($str, '/'); + } +} + +// ------------------------------------------------------------------------ + +/** + * Strip Slashes + * + * Removes slashes contained in a string or in an array + * + * @access public + * @param mixed string or array + * @return mixed string or array + */ +if ( ! function_exists('strip_slashes')) +{ + function strip_slashes($str) + { + if (is_array($str)) + { + foreach ($str as $key => $val) + { + $str[$key] = strip_slashes($val); + } + } + else + { + $str = stripslashes($str); + } + + return $str; + } +} + +// ------------------------------------------------------------------------ + +/** + * Strip Quotes + * + * Removes single and double quotes from a string + * + * @access public + * @param string + * @return string + */ +if ( ! function_exists('strip_quotes')) +{ + function strip_quotes($str) + { + return str_replace(array('"', "'"), '', $str); + } +} + +// ------------------------------------------------------------------------ + +/** + * Quotes to Entities + * + * Converts single and double quotes to entities + * + * @access public + * @param string + * @return string + */ +if ( ! function_exists('quotes_to_entities')) +{ + function quotes_to_entities($str) + { + return str_replace(array("\'","\"","'",'"'), array("'",""","'","""), $str); + } +} + +// ------------------------------------------------------------------------ +/** + * Reduce Double Slashes + * + * Converts double slashes in a string to a single slash, + * except those found in http:// + * + * http://www.some-site.com//index.php + * + * becomes: + * + * http://www.some-site.com/index.php + * + * @access public + * @param string + * @return string + */ +if ( ! function_exists('reduce_double_slashes')) +{ + function reduce_double_slashes($str) + { + return preg_replace("#([^:])//+#", "\\1/", $str); + } +} + +// ------------------------------------------------------------------------ + +/** + * Reduce Multiples + * + * Reduces multiple instances of a particular character. Example: + * + * Fred, Bill,, Joe, Jimmy + * + * becomes: + * + * Fred, Bill, Joe, Jimmy + * + * @access public + * @param string + * @param string the character you wish to reduce + * @param bool TRUE/FALSE - whether to trim the character from the beginning/end + * @return string + */ +if ( ! function_exists('reduce_multiples')) +{ + function reduce_multiples($str, $character = ',', $trim = FALSE) + { + $str = preg_replace('#'.preg_quote($character, '#').'{2,}#', $character, $str); + + if ($trim === TRUE) + { + $str = trim($str, $character); + } + + return $str; + } +} + +// ------------------------------------------------------------------------ + +/** + * Create a Random String + * + * Useful for generating passwords or hashes. + * + * @access public + * @param string type of random string. Options: alunum, numeric, nozero, unique + * @param integer number of characters + * @return string + */ +if ( ! function_exists('random_string')) +{ + function random_string($type = 'alnum', $len = 8) + { + switch($type) + { + case 'alnum' : + case 'numeric' : + case 'nozero' : + + switch ($type) + { + 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' : return md5(uniqid(mt_rand())); + break; + } + } +} + +// ------------------------------------------------------------------------ + +/** + * Alternator + * + * Allows strings to be alternated. See docs... + * + * @access public + * @param string (as many parameters as needed) + * @return string + */ +if ( ! function_exists('alternator')) +{ + function alternator() + { + static $i; + + if (func_num_args() == 0) + { + $i = 0; + return ''; + } + $args = func_get_args(); + return $args[($i++ % count($args))]; + } +} + +// ------------------------------------------------------------------------ + +/** + * Repeater function + * + * @access public + * @param string + * @param integer number of repeats + * @return string + */ +if ( ! function_exists('repeater')) +{ + function repeater($data, $num = 1) + { + return (($num > 0) ? str_repeat($data, $num) : ''); + } +} + + +/* End of file string_helper.php */ /* Location: ./system/helpers/string_helper.php */
\ No newline at end of file |