Propset eol-style to CRLF

simplified paragraph tag cleanup regex

1 files changed, 497 insertions, 497 deletions

diff --git a/system/helpers/compatibility_helper.php b/system/helpers/compatibility_helper.php
index 3b37cea02..996a6d7ea 100644
--- a/system/helpers/compatibility_helper.php
+++ b/system/helpers/compatibility_helper.php
@@ -1,498 +1,498 @@
-<?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 Compatibility Helpers
- *
- * This helper contains some functions based on the PEAR PHP_Compat library
- * http://pear.php.net/package/PHP_Compat
- * 
- * The PEAR compat library is a little bloated and the code doesn't harmonize
- * well with CodeIgniter, so those functions have been refactored.
- * We cheat a little and use CI's _exception_handler() to output our own PHP errors
- * so that the behavior fully mimicks the PHP 5 counterparts.  -- Derek Jones
- * 
- * @package		CodeIgniter
- * @subpackage	Helpers
- * @category	Helpers
- * @author		ExpressionEngine Dev Team
- * @link		http://codeigniter.com/user_guide/helpers/compatibility_helper.html
- */
-
-// ------------------------------------------------------------------------
-
-if ( ! defined('PHP_EOL'))
-{
-	define('PHP_EOL', (DIRECTORY_SEPARATOR == '/') ? "\n" : "\r\n");
-} 
-
-// ------------------------------------------------------------------------
-
-/**
- * file_put_contents()
- *
- * Writes a string to a file
- * http://us.php.net/manual/en/function.file_put_contents.php
- * argument 4, $context, not supported
- *
- * @access	public
- * @param	string		file name
- * @param	mixed		data to be written
- * @param	int			flags
- * @return	int			length of written string
- */
-if ( ! function_exists('file_put_contents'))
-{
-	function file_put_contents($filename, $data, $flags = NULL)
-	{
-		if (is_scalar($data))
-		{
-			settype($data, 'STRING');
-		}
-
-		if ( ! is_string($data) && ! is_array($data) && ! is_resource($data))
-		{
-			$backtrace = debug_backtrace();
-			_exception_handler(E_USER_WARNING, 'file_put_contents(): the 2nd parameter should be either a string or an array', $backtrace[0]['file'], $backtrace[0]['line']);
-			return FALSE;
-		}
-
-		// read stream if given a stream resource
-		if (is_resource($data))
-		{
-			if (get_resource_type($data) !== 'stream')
-			{
-				$backtrace = debug_backtrace();
-				_exception_handler(E_USER_WARNING, 'file_put_contents(): supplied resource is not a valid stream resource', $backtrace[0]['file'], $backtrace[0]['line']);
-				return FALSE;
-			}
-
-			$text = '';
-			
-			while ( ! feof($data))
-			{
-				$text .= fread($data, 4096);
-			}
-			
-			$data = $text;
-			unset($text);
-		}
-	
-		// strings only please!
-		if (is_array($data))
-		{
-			$data = implode('', $data);
-		}
-
-		// Set the appropriate mode
-		if (($flags & 8) > 0) // 8 = FILE_APPEND flag
-		{
-			$mode = FOPEN_WRITE_CREATE;
-		}
-		else
-		{
-			$mode = FOPEN_WRITE_CREATE_DESTRUCTIVE;
-		}
-	
-		// Check if we're using the include path
-		if (($flags & 1) > 0) // 1 = FILE_USE_INCLUDE_PATH flag
-		{
-			$use_include_path = TRUE;
-		}
-		else
-		{
-			$use_include_path = FALSE;
-		}
-	
-		$fp = @fopen($filename, $mode, $use_include_path);
-	
-		if ($fp === FALSE)
-		{
-			$backtrace = debug_backtrace();
-			_exception_handler(E_USER_WARNING, 'file_put_contents('.htmlentities($filename).') failed to open stream', $backtrace[0]['file'], $backtrace[0]['line']);
-			return FALSE;
-		}
-	
-		if (($flags & LOCK_EX) > 0)
-		{
-			if ( ! flock($fp, LOCK_EX))
-			{
-				$backtrace = debug_backtrace();
-				_exception_handler(E_USER_WARNING, 'file_put_contents('.htmlentities($filename).') unable to acquire an exclusive lock on file', $backtrace[0]['file'], $backtrace[0]['line']);
-				return FALSE;
-			}
-		}
-		
-		// write it
-		if (($written = @fwrite($fp, $data)) === FALSE)
-		{
-			$backtrace = debug_backtrace();
-			_exception_handler(E_USER_WARNING, 'file_put_contents('.htmlentities($filename).') failed to write to '.htmlentities($filename), $backtrace[0]['file'], $backtrace[0]['line']);
-		}
-	
-		// Close the handle
-		@fclose($fp);
-	
-		// Return length
-		return $written;
-	}
-}
-
-// ------------------------------------------------------------------------
-
-/**
- * fputcsv()
- *
- * Format line as CSV and write to file pointer
- * http://us.php.net/manual/en/function.fputcsv.php
- *
- * @access	public
- * @param	resource	file pointer
- * @param	array		data to be written
- * @param	string		delimiter
- * @param	string		enclosure
- * @return	int			length of written string
- */
-if ( ! function_exists('fputcsv'))
-{
-	function fputcsv($handle, $fields, $delimiter = ',', $enclosure = '"')
-	{
-		// Checking for a handle resource
-		if ( ! is_resource($handle))
-		{
-			$backtrace = debug_backtrace();
-			_exception_handler(E_USER_WARNING, 'fputcsv() expects parameter 1 to be stream resource, '.gettype($handle).' given', $backtrace[0]['file'], $backtrace[0]['line']);
-			return FALSE;
-		}
-	
-		// OK, it is a resource, but is it a stream?
-		if (get_resource_type($handle) !== 'stream')
-		{
-			$backtrace = debug_backtrace();
-			_exception_handler(E_USER_WARNING, 'fputcsv() expects parameter 1 to be stream resource, '.get_resource_type($handle).' given', $backtrace[0]['file'], $backtrace[0]['line']);
-			return FALSE;
-		}
-	
-		// Checking for an array of fields
-		if ( ! is_array($fields))
-		{
-			$backtrace = debug_backtrace();
-			_exception_handler(E_USER_WARNING, 'fputcsv() expects parameter 2 to be array, '.gettype($fields).' given', $backtrace[0]['file'], $backtrace[0]['line']);
-			return FALSE;
-		}
-	
-		// validate delimiter
-		if (strlen($delimiter) > 1)
-		{
-			$delimiter = substr($delimiter, 0, 1);
-			$backtrace = debug_backtrace();
-			_exception_handler(E_NOTICE, 'fputcsv() delimiter must be one character long, "'.htmlentities($delimiter).'" used', $backtrace[0]['file'], $backtrace[0]['line']);
-		}
-	
-		// validate enclosure
-		if (strlen($enclosure) > 1)
-		{
-			$enclosure = substr($enclosure, 0, 1);
-			$backtrace = debug_backtrace();
-			_exception_handler(E_NOTICE, 'fputcsv() enclosure must be one character long, "'.htmlentities($enclosure).'" used', $backtrace[0]['file'], $backtrace[0]['line']);
-
-		}
-	
-		$out = '';
-	
-		foreach ($fields as $cell)
-		{
-			$cell = str_replace($enclosure, $enclosure.$enclosure, $cell);
-
-			if (strpos($cell, $delimiter) !== FALSE OR strpos($cell, $enclosure) !== FALSE OR strpos($cell, "\n") !== FALSE)
-			{
-				$out .= $enclosure.$cell.$enclosure.$delimiter;
-			}
-			else
-			{
-				$out .= $cell.$delimiter;
-			}
-		}
-	
-		$length = @fwrite($handle, substr($out, 0, -1)."\n");
-	
-		return $length;
-	}
-}
-
-// ------------------------------------------------------------------------
-
-/**
- * stripos()
- *
- * Find position of first occurrence of a case-insensitive string
- * http://us.php.net/manual/en/function.stripos.php
- *
- * @access	public
- * @param	string		haystack
- * @param	string		needle
- * @param	int			offset
- * @return	int			numeric position of the first occurrence of needle in the haystack
- */
-if ( ! function_exists('stripos'))
-{
-	function stripos($haystack, $needle, $offset = NULL)
-	{
-		// Cast non string scalar values
-		if (is_scalar($haystack))
-		{
-			settype($haystack, 'STRING');
-		}
-	
-		if ( ! is_string($haystack))
-		{
-			$backtrace = debug_backtrace();
-			_exception_handler(E_USER_WARNING, 'stripos() expects parameter 1 to be string, '.gettype($haystack).' given', $backtrace[0]['file'], $backtrace[0]['line']);
-			return FALSE;
-		}
-	
-		if ( ! is_scalar($needle))
-		{
-			$backtrace = debug_backtrace();
-			_exception_handler(E_USER_WARNING, 'stripos() needle is not a string or an integer in '.$backtrace[0]['file'], $backtrace[0]['line']);
-			return FALSE;
-		}
-	
-		if (is_float($offset))
-		{
-			$offset = (int)$offset;
-		}
-	
-		if ( ! is_int($offset) && ! is_bool($offset) && ! is_null($offset))
-		{
-			$backtrace = debug_backtrace();
-			_exception_handler(E_USER_WARNING, 'stripos() expects parameter 3 to be long, '.gettype($offset).' given', $backtrace[0]['file'], $backtrace[0]['line']);
-			return NULL;
-		}
-	
-		return strpos(strtolower($haystack), strtolower($needle), $offset);
-	}
-}
-
-// ------------------------------------------------------------------------
-
-/**
- * str_ireplace()
- *
- * Find position of first occurrence of a case-insensitive string
- * http://us.php.net/manual/en/function.str-ireplace.php
- * (parameter 4, $count, is not supported as to do so in PHP 4 would make
- * it a required parameter)
- *
- * @access	public
- * @param	mixed		search
- * @param	mixed		replace
- * @param	mixed		subject
- * @return	int			numeric position of the first occurrence of needle in the haystack
- */
-if ( ! function_exists('str_ireplace'))
-{
-	function str_ireplace($search, $replace, $subject)
-	{
-		// Nothing to do here
-		if ($search === NULL OR $subject === NULL)
-		{
-			return $subject;
-		}
-	
-		// Crazy arguments
-		if (is_scalar($search) && is_array($replace))
-		{
-			$backtrace = debug_backtrace();
-
-			if (is_object($replace))
-			{
-				show_error('Object of class '.get_class($replace).' could not be converted to string in '.$backtrace[0]['file'].' on line '.$backtrace[0]['line']);
-			}
-			else
-			{
-				_exception_handler(E_USER_NOTICE, 'Array to string conversion in '.$backtrace[0]['file'], $backtrace[0]['line']);
-			}
-		}
-	
-		// Searching for an array
-		if (is_array($search))
-		{
-			// Replacing with an array
-			if (is_array($replace))
-			{
-				$search = array_values($search);
-				$replace = array_values($replace);
-
-				if (count($search) >= count($replace))
-				{
-					$replace = array_pad($replace, count($search), '');
-				}
-				else
-				{
-					$replace = array_slice($replace, 0, count($search));
-				}
-			}
-			else
-			{
-				// Replacing with a string all positions
-				$replace = array_fill(0, count($search), $replace);
-			}
-		}
-		else
-		{
-			//Searching for a string and replacing with a string.
-			$search  = array((string)$search);
-			$replace = array((string)$replace);
-		}
-		
-		// Prepare the search array
-		foreach ($search as $search_key => $search_value)
-		{
-			$search[$search_key] = '/'.preg_quote($search_value, '/').'/i';
-		}
-		
-		// Prepare the replace array (escape backreferences)
-		foreach ($replace as $k => $v)
-		{
-			$replace[$k] = str_replace(array(chr(92), '$'), array(chr(92).chr(92), '\$'), $v);
-		}
-	
-		// do the replacement
-		$result = preg_replace($search, $replace, (array)$subject);
-	
-		// Check if subject was initially a string and return it as a string
-		if ( ! is_array($subject))
-		{
-			return current($result);
-		}
-	
-		// Otherwise, just return the array
-		return $result;
-	}
-}
-
-// ------------------------------------------------------------------------
-
-/**
- * http_build_query()
- *
- * Generate URL-encoded query string
- * http://us.php.net/manual/en/function.http-build-query.php
- *
- * @access	public
- * @param	array		form data
- * @param	string		numeric prefix
- * @param	string		argument separator
- * @return	string		URL-encoded string
- */
-if ( ! function_exists('http_build_query'))
-{
-	function http_build_query($formdata, $numeric_prefix = NULL, $separator = NULL)
-	{
-		// Check the data
-		if ( ! is_array($formdata) && ! is_object($formdata))
-		{
-			$backtrace = debug_backtrace();
-			_exception_handler(E_USER_WARNING, 'http_build_query() Parameter 1 expected to be Array or Object. Incorrect value given', $backtrace[0]['file'], $backtrace[0]['line']);
-			return FALSE;
-		}
-	
-		// Cast it as array
-		if (is_object($formdata))
-		{
-			$formdata = get_object_vars($formdata);
-		}
-	
-		// If the array is empty, return NULL
-		if (empty($formdata))
-		{
-			return NULL;
-		}
-	
-		// Argument separator
-		if ($separator === NULL)
-		{
-			$separator = ini_get('arg_separator.output');
-
-			if (strlen($separator) == 0)
-			{
-				$separator = '&';
-			}
-		}
-	
-		// Start building the query
-		$tmp = array();
-
-		foreach ($formdata as $key => $val)
-		{
-			if ($val === NULL)
-			{
-				continue;
-			}
-	
-			if (is_integer($key) && $numeric_prefix != NULL)
-			{
-				$key = $numeric_prefix.$key;
-			}
-	
-			if (is_resource($val))
-			{
-				return NULL;
-			}
-			
-			// hand it off to a recursive parser
-			$tmp[] = _http_build_query_helper($key, $val, $separator);
-		}
-	
-		return implode($separator, $tmp);
-	}
-	
-	
-	// Helper helper.  Remind anyone of college?
-	// Required to handle recursion in nested arrays.
-	// 
-	// You could shave fractions of fractions of a second by moving where
-	// the urlencoding takes place, but it's much less intuitive, and if
-	// your application has 10,000 form fields, well, you have other problems ;)
-	function _http_build_query_helper($key, $val, $separator = '&')
-	{	
-		if (is_scalar($val))
-		{
-			return urlencode($key).'='.urlencode($val);			
-		}
-		else
-		{
-			// arrays please
-			if (is_object($val))
-			{
-				$val = get_object_vars($val);
-			}
-			
-			foreach ($val as $k => $v)
-			{
-				$tmp[] = _http_build_query_helper($key.'['.$k.']', $v, $separator);
-			}
-		}
-			
-		return implode($separator, $tmp);
-	}
-}
-
-
-/* End of file compatibility_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 Compatibility Helpers

+ *

+ * This helper contains some functions based on the PEAR PHP_Compat library

+ * http://pear.php.net/package/PHP_Compat

+ * 

+ * The PEAR compat library is a little bloated and the code doesn't harmonize

+ * well with CodeIgniter, so those functions have been refactored.

+ * We cheat a little and use CI's _exception_handler() to output our own PHP errors

+ * so that the behavior fully mimicks the PHP 5 counterparts.  -- Derek Jones

+ * 

+ * @package		CodeIgniter

+ * @subpackage	Helpers

+ * @category	Helpers

+ * @author		ExpressionEngine Dev Team

+ * @link		http://codeigniter.com/user_guide/helpers/compatibility_helper.html

+ */

+

+// ------------------------------------------------------------------------

+

+if ( ! defined('PHP_EOL'))

+{

+	define('PHP_EOL', (DIRECTORY_SEPARATOR == '/') ? "\n" : "\r\n");

+} 

+

+// ------------------------------------------------------------------------

+

+/**

+ * file_put_contents()

+ *

+ * Writes a string to a file

+ * http://us.php.net/manual/en/function.file_put_contents.php

+ * argument 4, $context, not supported

+ *

+ * @access	public

+ * @param	string		file name

+ * @param	mixed		data to be written

+ * @param	int			flags

+ * @return	int			length of written string

+ */

+if ( ! function_exists('file_put_contents'))

+{

+	function file_put_contents($filename, $data, $flags = NULL)

+	{

+		if (is_scalar($data))

+		{

+			settype($data, 'STRING');

+		}

+

+		if ( ! is_string($data) && ! is_array($data) && ! is_resource($data))

+		{

+			$backtrace = debug_backtrace();

+			_exception_handler(E_USER_WARNING, 'file_put_contents(): the 2nd parameter should be either a string or an array', $backtrace[0]['file'], $backtrace[0]['line']);

+			return FALSE;

+		}

+

+		// read stream if given a stream resource

+		if (is_resource($data))

+		{

+			if (get_resource_type($data) !== 'stream')

+			{

+				$backtrace = debug_backtrace();

+				_exception_handler(E_USER_WARNING, 'file_put_contents(): supplied resource is not a valid stream resource', $backtrace[0]['file'], $backtrace[0]['line']);

+				return FALSE;

+			}

+

+			$text = '';

+			

+			while ( ! feof($data))

+			{

+				$text .= fread($data, 4096);

+			}

+			

+			$data = $text;

+			unset($text);

+		}

+	

+		// strings only please!

+		if (is_array($data))

+		{

+			$data = implode('', $data);

+		}

+

+		// Set the appropriate mode

+		if (($flags & 8) > 0) // 8 = FILE_APPEND flag

+		{

+			$mode = FOPEN_WRITE_CREATE;

+		}

+		else

+		{

+			$mode = FOPEN_WRITE_CREATE_DESTRUCTIVE;

+		}

+	

+		// Check if we're using the include path

+		if (($flags & 1) > 0) // 1 = FILE_USE_INCLUDE_PATH flag

+		{

+			$use_include_path = TRUE;

+		}

+		else

+		{

+			$use_include_path = FALSE;

+		}

+	

+		$fp = @fopen($filename, $mode, $use_include_path);

+	

+		if ($fp === FALSE)

+		{

+			$backtrace = debug_backtrace();

+			_exception_handler(E_USER_WARNING, 'file_put_contents('.htmlentities($filename).') failed to open stream', $backtrace[0]['file'], $backtrace[0]['line']);

+			return FALSE;

+		}

+	

+		if (($flags & LOCK_EX) > 0)

+		{

+			if ( ! flock($fp, LOCK_EX))

+			{

+				$backtrace = debug_backtrace();

+				_exception_handler(E_USER_WARNING, 'file_put_contents('.htmlentities($filename).') unable to acquire an exclusive lock on file', $backtrace[0]['file'], $backtrace[0]['line']);

+				return FALSE;

+			}

+		}

+		

+		// write it

+		if (($written = @fwrite($fp, $data)) === FALSE)

+		{

+			$backtrace = debug_backtrace();

+			_exception_handler(E_USER_WARNING, 'file_put_contents('.htmlentities($filename).') failed to write to '.htmlentities($filename), $backtrace[0]['file'], $backtrace[0]['line']);

+		}

+	

+		// Close the handle

+		@fclose($fp);

+	

+		// Return length

+		return $written;

+	}

+}

+

+// ------------------------------------------------------------------------

+

+/**

+ * fputcsv()

+ *

+ * Format line as CSV and write to file pointer

+ * http://us.php.net/manual/en/function.fputcsv.php

+ *

+ * @access	public

+ * @param	resource	file pointer

+ * @param	array		data to be written

+ * @param	string		delimiter

+ * @param	string		enclosure

+ * @return	int			length of written string

+ */

+if ( ! function_exists('fputcsv'))

+{

+	function fputcsv($handle, $fields, $delimiter = ',', $enclosure = '"')

+	{

+		// Checking for a handle resource

+		if ( ! is_resource($handle))

+		{

+			$backtrace = debug_backtrace();

+			_exception_handler(E_USER_WARNING, 'fputcsv() expects parameter 1 to be stream resource, '.gettype($handle).' given', $backtrace[0]['file'], $backtrace[0]['line']);

+			return FALSE;

+		}

+	

+		// OK, it is a resource, but is it a stream?

+		if (get_resource_type($handle) !== 'stream')

+		{

+			$backtrace = debug_backtrace();

+			_exception_handler(E_USER_WARNING, 'fputcsv() expects parameter 1 to be stream resource, '.get_resource_type($handle).' given', $backtrace[0]['file'], $backtrace[0]['line']);

+			return FALSE;

+		}

+	

+		// Checking for an array of fields

+		if ( ! is_array($fields))

+		{

+			$backtrace = debug_backtrace();

+			_exception_handler(E_USER_WARNING, 'fputcsv() expects parameter 2 to be array, '.gettype($fields).' given', $backtrace[0]['file'], $backtrace[0]['line']);

+			return FALSE;

+		}

+	

+		// validate delimiter

+		if (strlen($delimiter) > 1)

+		{

+			$delimiter = substr($delimiter, 0, 1);

+			$backtrace = debug_backtrace();

+			_exception_handler(E_NOTICE, 'fputcsv() delimiter must be one character long, "'.htmlentities($delimiter).'" used', $backtrace[0]['file'], $backtrace[0]['line']);

+		}

+	

+		// validate enclosure

+		if (strlen($enclosure) > 1)

+		{

+			$enclosure = substr($enclosure, 0, 1);

+			$backtrace = debug_backtrace();

+			_exception_handler(E_NOTICE, 'fputcsv() enclosure must be one character long, "'.htmlentities($enclosure).'" used', $backtrace[0]['file'], $backtrace[0]['line']);

+

+		}

+	

+		$out = '';

+	

+		foreach ($fields as $cell)

+		{

+			$cell = str_replace($enclosure, $enclosure.$enclosure, $cell);

+

+			if (strpos($cell, $delimiter) !== FALSE OR strpos($cell, $enclosure) !== FALSE OR strpos($cell, "\n") !== FALSE)

+			{

+				$out .= $enclosure.$cell.$enclosure.$delimiter;

+			}

+			else

+			{

+				$out .= $cell.$delimiter;

+			}

+		}

+	

+		$length = @fwrite($handle, substr($out, 0, -1)."\n");

+	

+		return $length;

+	}

+}

+

+// ------------------------------------------------------------------------

+

+/**

+ * stripos()

+ *

+ * Find position of first occurrence of a case-insensitive string

+ * http://us.php.net/manual/en/function.stripos.php

+ *

+ * @access	public

+ * @param	string		haystack

+ * @param	string		needle

+ * @param	int			offset

+ * @return	int			numeric position of the first occurrence of needle in the haystack

+ */

+if ( ! function_exists('stripos'))

+{

+	function stripos($haystack, $needle, $offset = NULL)

+	{

+		// Cast non string scalar values

+		if (is_scalar($haystack))

+		{

+			settype($haystack, 'STRING');

+		}

+	

+		if ( ! is_string($haystack))

+		{

+			$backtrace = debug_backtrace();

+			_exception_handler(E_USER_WARNING, 'stripos() expects parameter 1 to be string, '.gettype($haystack).' given', $backtrace[0]['file'], $backtrace[0]['line']);

+			return FALSE;

+		}

+	

+		if ( ! is_scalar($needle))

+		{

+			$backtrace = debug_backtrace();

+			_exception_handler(E_USER_WARNING, 'stripos() needle is not a string or an integer in '.$backtrace[0]['file'], $backtrace[0]['line']);

+			return FALSE;

+		}

+	

+		if (is_float($offset))

+		{

+			$offset = (int)$offset;

+		}

+	

+		if ( ! is_int($offset) && ! is_bool($offset) && ! is_null($offset))

+		{

+			$backtrace = debug_backtrace();

+			_exception_handler(E_USER_WARNING, 'stripos() expects parameter 3 to be long, '.gettype($offset).' given', $backtrace[0]['file'], $backtrace[0]['line']);

+			return NULL;

+		}

+	

+		return strpos(strtolower($haystack), strtolower($needle), $offset);

+	}

+}

+

+// ------------------------------------------------------------------------

+

+/**

+ * str_ireplace()

+ *

+ * Find position of first occurrence of a case-insensitive string

+ * http://us.php.net/manual/en/function.str-ireplace.php

+ * (parameter 4, $count, is not supported as to do so in PHP 4 would make

+ * it a required parameter)

+ *

+ * @access	public

+ * @param	mixed		search

+ * @param	mixed		replace

+ * @param	mixed		subject

+ * @return	int			numeric position of the first occurrence of needle in the haystack

+ */

+if ( ! function_exists('str_ireplace'))

+{

+	function str_ireplace($search, $replace, $subject)

+	{

+		// Nothing to do here

+		if ($search === NULL OR $subject === NULL)

+		{

+			return $subject;

+		}

+	

+		// Crazy arguments

+		if (is_scalar($search) && is_array($replace))

+		{

+			$backtrace = debug_backtrace();

+

+			if (is_object($replace))

+			{

+				show_error('Object of class '.get_class($replace).' could not be converted to string in '.$backtrace[0]['file'].' on line '.$backtrace[0]['line']);

+			}

+			else

+			{

+				_exception_handler(E_USER_NOTICE, 'Array to string conversion in '.$backtrace[0]['file'], $backtrace[0]['line']);

+			}

+		}

+	

+		// Searching for an array

+		if (is_array($search))

+		{

+			// Replacing with an array

+			if (is_array($replace))

+			{

+				$search = array_values($search);

+				$replace = array_values($replace);

+

+				if (count($search) >= count($replace))

+				{

+					$replace = array_pad($replace, count($search), '');

+				}

+				else

+				{

+					$replace = array_slice($replace, 0, count($search));

+				}

+			}

+			else

+			{

+				// Replacing with a string all positions

+				$replace = array_fill(0, count($search), $replace);

+			}

+		}

+		else

+		{

+			//Searching for a string and replacing with a string.

+			$search  = array((string)$search);

+			$replace = array((string)$replace);

+		}

+		

+		// Prepare the search array

+		foreach ($search as $search_key => $search_value)

+		{

+			$search[$search_key] = '/'.preg_quote($search_value, '/').'/i';

+		}

+		

+		// Prepare the replace array (escape backreferences)

+		foreach ($replace as $k => $v)

+		{

+			$replace[$k] = str_replace(array(chr(92), '$'), array(chr(92).chr(92), '\$'), $v);

+		}

+	

+		// do the replacement

+		$result = preg_replace($search, $replace, (array)$subject);

+	

+		// Check if subject was initially a string and return it as a string

+		if ( ! is_array($subject))

+		{

+			return current($result);

+		}

+	

+		// Otherwise, just return the array

+		return $result;

+	}

+}

+

+// ------------------------------------------------------------------------

+

+/**

+ * http_build_query()

+ *

+ * Generate URL-encoded query string

+ * http://us.php.net/manual/en/function.http-build-query.php

+ *

+ * @access	public

+ * @param	array		form data

+ * @param	string		numeric prefix

+ * @param	string		argument separator

+ * @return	string		URL-encoded string

+ */

+if ( ! function_exists('http_build_query'))

+{

+	function http_build_query($formdata, $numeric_prefix = NULL, $separator = NULL)

+	{

+		// Check the data

+		if ( ! is_array($formdata) && ! is_object($formdata))

+		{

+			$backtrace = debug_backtrace();

+			_exception_handler(E_USER_WARNING, 'http_build_query() Parameter 1 expected to be Array or Object. Incorrect value given', $backtrace[0]['file'], $backtrace[0]['line']);

+			return FALSE;

+		}

+	

+		// Cast it as array

+		if (is_object($formdata))

+		{

+			$formdata = get_object_vars($formdata);

+		}

+	

+		// If the array is empty, return NULL

+		if (empty($formdata))

+		{

+			return NULL;

+		}

+	

+		// Argument separator

+		if ($separator === NULL)

+		{

+			$separator = ini_get('arg_separator.output');

+

+			if (strlen($separator) == 0)

+			{

+				$separator = '&';

+			}

+		}

+	

+		// Start building the query

+		$tmp = array();

+

+		foreach ($formdata as $key => $val)

+		{

+			if ($val === NULL)

+			{

+				continue;

+			}

+	

+			if (is_integer($key) && $numeric_prefix != NULL)

+			{

+				$key = $numeric_prefix.$key;

+			}

+	

+			if (is_resource($val))

+			{

+				return NULL;

+			}

+			

+			// hand it off to a recursive parser

+			$tmp[] = _http_build_query_helper($key, $val, $separator);

+		}

+	

+		return implode($separator, $tmp);

+	}

+	

+	

+	// Helper helper.  Remind anyone of college?

+	// Required to handle recursion in nested arrays.

+	// 

+	// You could shave fractions of fractions of a second by moving where

+	// the urlencoding takes place, but it's much less intuitive, and if

+	// your application has 10,000 form fields, well, you have other problems ;)

+	function _http_build_query_helper($key, $val, $separator = '&')

+	{	

+		if (is_scalar($val))

+		{

+			return urlencode($key).'='.urlencode($val);			

+		}

+		else

+		{

+			// arrays please

+			if (is_object($val))

+			{

+				$val = get_object_vars($val);

+			}

+			

+			foreach ($val as $k => $v)

+			{

+				$tmp[] = _http_build_query_helper($key.'['.$k.']', $v, $separator);

+			}

+		}

+			

+		return implode($separator, $tmp);

+	}

+}

+

+

+/* End of file compatibility_helper.php */

 /* Location: ./system/helpers/compatibility_helper.php */
\ No newline at end of file