added strip_quotes(), quotes_to_entities(), reduce_multiples() to string helper

1 files changed, 1 insertions, 154 deletions

diff --git a/system/helpers/string_helper.php b/system/helpers/string_helper.php
index 8ef715953..879ae2f8f 100644
--- a/system/helpers/string_helper.php
+++ b/system/helpers/string_helper.php
@@ -1,154 +1 @@
-<?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		Rick Ellis

- * @copyright	Copyright (c) 2006, EllisLab, Inc.

- * @license		http://www.codeigniter.com/user_guide/license.html

- * @link		http://www.codeigniter.com

- * @since		Version 1.0

- * @filesource

- */

-

-// ------------------------------------------------------------------------

-

-/**

- * CodeIgniter String Helpers

- *

- * @package		CodeIgniter

- * @subpackage	Helpers

- * @category	Helpers

- * @author		Rick Ellis

- * @link		http://www.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

- */	

-function trim_slashes($str)

-{

-    return trim($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

- */	

-function reduce_double_slashes($str)

-{

-	return preg_replace("#([^:])//+#", "\\1/", $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

- */	

-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

- */		

-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

- */	

-function repeater($data, $num = 1)

-{

-	return (($num > 0) ? str_repeat($data, $num) : '');

-} 

-

-

-?>
\ No newline at end of file
+<?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		Rick Ellis
 * @copyright	Copyright (c) 2006, EllisLab, Inc.
 * @license		http://www.codeigniter.com/user_guide/license.html
 * @link		http://www.codeigniter.com
 * @since		Version 1.0
 * @filesource
 */

// ------------------------------------------------------------------------

/**
 * CodeIgniter String Helpers
 *
 * @package		CodeIgniter
 * @subpackage	Helpers
 * @category	Helpers
 * @author		Rick Ellis
 * @link		http://www.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
 */	
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	stering or array
 */	
 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
 */	
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
 */	
function quotes_to_entities($str)
{	
	return str_replace(array("\'","\""), array("&#39;","&quot;"), $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
 */	
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
 */	
function reduce_multiples($str, $character = ',', $trim = FALSE)
{
	$str = preg_replace("#".$character."+#", $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
 */	
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
 */		
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
 */	
function repeater($data, $num = 1)
{
	return (($num > 0) ? str_repeat($data, $num) : '');
} 


?>
\ No newline at end of file