summaryrefslogtreecommitdiffstats
path: root/system/helpers/compatibility_helper.php
diff options
context:
space:
mode:
Diffstat (limited to 'system/helpers/compatibility_helper.php')
-rw-r--r--system/helpers/compatibility_helper.php498
1 files changed, 0 insertions, 498 deletions
diff --git a/system/helpers/compatibility_helper.php b/system/helpers/compatibility_helper.php
deleted file mode 100644
index e7b21c660..000000000
--- a/system/helpers/compatibility_helper.php
+++ /dev/null
@@ -1,498 +0,0 @@
-<?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 - 2010, 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
generated by cgit v1.2.3-24-g4f1b (git 2.32.0) at 2024-11-23 12:09:44 +0100