390 lines
8.7 KiB
PHP
390 lines
8.7 KiB
PHP
|
<?php
|
||
|
|
/**
|
||
|
|
* CodeIgniter
|
||
|
|
*
|
||
|
|
* An open source application development framework for PHP
|
||
|
|
*
|
||
|
|
* This content is released under the MIT License (MIT)
|
||
|
|
*
|
||
|
|
* Copyright (c) 2014 - 2015, British Columbia Institute of Technology
|
||
|
|
*
|
||
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
||
|
|
* of this software and associated documentation files (the "Software"), to deal
|
||
|
|
* in the Software without restriction, including without limitation the rights
|
||
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
||
|
|
* copies of the Software, and to permit persons to whom the Software is
|
||
|
|
* furnished to do so, subject to the following conditions:
|
||
|
|
*
|
||
|
|
* The above copyright notice and this permission notice shall be included in
|
||
|
|
* all copies or substantial portions of the Software.
|
||
|
|
*
|
||
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
||
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
||
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
||
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
||
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
||
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
||
|
|
* THE SOFTWARE.
|
||
|
|
*
|
||
|
|
* @package CodeIgniter
|
||
|
|
* @author EllisLab Dev Team
|
||
|
|
* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (http://ellislab.com/)
|
||
|
|
* @copyright Copyright (c) 2014 - 2015, British Columbia Institute of Technology (http://bcit.ca/)
|
||
|
|
* @license http://opensource.org/licenses/MIT MIT License
|
||
|
|
* @link http://codeigniter.com
|
||
|
|
* @since Version 3.0.0
|
||
|
|
* @filesource
|
||
|
|
*/
|
||
|
|
defined('BASEPATH') OR exit('No direct script access allowed');
|
||
|
|
|
||
|
|
/**
|
||
|
|
* PHP ext/standard compatibility package
|
||
|
|
*
|
||
|
|
* @package CodeIgniter
|
||
|
|
* @subpackage CodeIgniter
|
||
|
|
* @category Compatibility
|
||
|
|
* @author Andrey Andreev
|
||
|
|
* @link http://codeigniter.com/user_guide/
|
||
|
|
*/
|
||
|
|
|
||
|
|
// ------------------------------------------------------------------------
|
||
|
|
|
||
|
|
if (is_php('5.5'))
|
||
|
|
{
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
// ------------------------------------------------------------------------
|
||
|
|
|
||
|
|
if ( ! function_exists('array_column'))
|
||
|
|
{
|
||
|
|
/**
|
||
|
|
* array_column()
|
||
|
|
*
|
||
|
|
* @link http://php.net/array_column
|
||
|
|
* @param string $array
|
||
|
|
* @param mixed $column_key
|
||
|
|
* @param mixed $index_key
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
function array_column(array $array, $column_key, $index_key = NULL)
|
||
|
|
{
|
||
|
|
if ( ! in_array($type = gettype($column_key), array('integer', 'string', 'NULL'), TRUE))
|
||
|
|
{
|
||
|
|
if ($type === 'double')
|
||
|
|
{
|
||
|
|
$column_key = (int) $column_key;
|
||
|
|
}
|
||
|
|
elseif ($type === 'object' && method_exists($column_key, '__toString'))
|
||
|
|
{
|
||
|
|
$column_key = (string) $column_key;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
trigger_error('array_column(): The column key should be either a string or an integer', E_USER_WARNING);
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( ! in_array($type = gettype($index_key), array('integer', 'string', 'NULL'), TRUE))
|
||
|
|
{
|
||
|
|
if ($type === 'double')
|
||
|
|
{
|
||
|
|
$index_key = (int) $index_key;
|
||
|
|
}
|
||
|
|
elseif ($type === 'object' && method_exists($index_key, '__toString'))
|
||
|
|
{
|
||
|
|
$index_key = (string) $index_key;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
trigger_error('array_column(): The index key should be either a string or an integer', E_USER_WARNING);
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
$result = array();
|
||
|
|
foreach ($array as &$a)
|
||
|
|
{
|
||
|
|
if ($column_key === NULL)
|
||
|
|
{
|
||
|
|
$value = $a;
|
||
|
|
}
|
||
|
|
elseif (is_array($a) && array_key_exists($column_key, $a))
|
||
|
|
{
|
||
|
|
$value = $a[$column_key];
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($index_key === NULL OR ! array_key_exists($index_key, $a))
|
||
|
|
{
|
||
|
|
$result[] = $value;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
$result[$a[$index_key]] = $value;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return $result;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// ------------------------------------------------------------------------
|
||
|
|
|
||
|
|
if (is_php('5.4'))
|
||
|
|
{
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
// ------------------------------------------------------------------------
|
||
|
|
|
||
|
|
if ( ! function_exists('hex2bin'))
|
||
|
|
{
|
||
|
|
/**
|
||
|
|
* hex2bin()
|
||
|
|
*
|
||
|
|
* @link http://php.net/hex2bin
|
||
|
|
* @param string $data
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
function hex2bin($data)
|
||
|
|
{
|
||
|
|
if (in_array($type = gettype($data), array('array', 'double', 'object'), TRUE))
|
||
|
|
{
|
||
|
|
if ($type === 'object' && method_exists($data, '__toString'))
|
||
|
|
{
|
||
|
|
$data = (string) $data;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
trigger_error('hex2bin() expects parameter 1 to be string, '.$type.' given', E_USER_WARNING);
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (strlen($data) % 2 !== 0)
|
||
|
|
{
|
||
|
|
trigger_error('Hexadecimal input string must have an even length', E_USER_WARNING);
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
elseif ( ! preg_match('/^[0-9a-f]*$/i', $data))
|
||
|
|
{
|
||
|
|
trigger_error('Input string must be hexadecimal string', E_USER_WARNING);
|
||
|
|
return FALSE;
|
||
|
|
}
|
||
|
|
|
||
|
|
return pack('H*', $data);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// ------------------------------------------------------------------------
|
||
|
|
|
||
|
|
if (is_php('5.3'))
|
||
|
|
{
|
||
|
|
return;
|
||
|
|
}
|
||
|
|
|
||
|
|
// ------------------------------------------------------------------------
|
||
|
|
|
||
|
|
if ( ! function_exists('array_replace'))
|
||
|
|
{
|
||
|
|
/**
|
||
|
|
* array_replace()
|
||
|
|
*
|
||
|
|
* @link http://php.net/array_replace
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
function array_replace()
|
||
|
|
{
|
||
|
|
$arrays = func_get_args();
|
||
|
|
|
||
|
|
if (($c = count($arrays)) === 0)
|
||
|
|
{
|
||
|
|
trigger_error('array_replace() expects at least 1 parameter, 0 given', E_USER_WARNING);
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
elseif ($c === 1)
|
||
|
|
{
|
||
|
|
if ( ! is_array($arrays[0]))
|
||
|
|
{
|
||
|
|
trigger_error('array_replace(): Argument #1 is not an array', E_USER_WARNING);
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
return $arrays[0];
|
||
|
|
}
|
||
|
|
|
||
|
|
$array = array_shift($arrays);
|
||
|
|
$c--;
|
||
|
|
|
||
|
|
for ($i = 0; $i < $c; $i++)
|
||
|
|
{
|
||
|
|
if ( ! is_array($arrays[$i]))
|
||
|
|
{
|
||
|
|
trigger_error('array_replace(): Argument #'.($i + 2).' is not an array', E_USER_WARNING);
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
elseif (empty($arrays[$i]))
|
||
|
|
{
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
foreach (array_keys($arrays[$i]) as $key)
|
||
|
|
{
|
||
|
|
$array[$key] = $arrays[$i][$key];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return $array;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// ------------------------------------------------------------------------
|
||
|
|
|
||
|
|
if ( ! function_exists('array_replace_recursive'))
|
||
|
|
{
|
||
|
|
/**
|
||
|
|
* array_replace_recursive()
|
||
|
|
*
|
||
|
|
* @link http://php.net/array_replace_recursive
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
function array_replace_recursive()
|
||
|
|
{
|
||
|
|
$arrays = func_get_args();
|
||
|
|
|
||
|
|
if (($c = count($arrays)) === 0)
|
||
|
|
{
|
||
|
|
trigger_error('array_replace_recursive() expects at least 1 parameter, 0 given', E_USER_WARNING);
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
elseif ($c === 1)
|
||
|
|
{
|
||
|
|
if ( ! is_array($arrays[0]))
|
||
|
|
{
|
||
|
|
trigger_error('array_replace_recursive(): Argument #1 is not an array', E_USER_WARNING);
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
return $arrays[0];
|
||
|
|
}
|
||
|
|
|
||
|
|
$array = array_shift($arrays);
|
||
|
|
$c--;
|
||
|
|
|
||
|
|
for ($i = 0; $i < $c; $i++)
|
||
|
|
{
|
||
|
|
if ( ! is_array($arrays[$i]))
|
||
|
|
{
|
||
|
|
trigger_error('array_replace_recursive(): Argument #'.($i + 2).' is not an array', E_USER_WARNING);
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
elseif (empty($arrays[$i]))
|
||
|
|
{
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
foreach (array_keys($arrays[$i]) as $key)
|
||
|
|
{
|
||
|
|
$array[$key] = (is_array($arrays[$i][$key]) && isset($array[$key]) && is_array($array[$key]))
|
||
|
|
? array_replace_recursive($array[$key], $arrays[$i][$key])
|
||
|
|
: $arrays[$i][$key];
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
return $array;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
// ------------------------------------------------------------------------
|
||
|
|
|
||
|
|
if ( ! function_exists('quoted_printable_encode'))
|
||
|
|
{
|
||
|
|
/**
|
||
|
|
* quoted_printable_encode()
|
||
|
|
*
|
||
|
|
* @link http://php.net/quoted_printable_encode
|
||
|
|
* @param string $str
|
||
|
|
* @return string
|
||
|
|
*/
|
||
|
|
function quoted_printable_encode($str)
|
||
|
|
{
|
||
|
|
if (strlen($str) === 0)
|
||
|
|
{
|
||
|
|
return '';
|
||
|
|
}
|
||
|
|
elseif (in_array($type = gettype($str), array('array', 'object'), TRUE))
|
||
|
|
{
|
||
|
|
if ($type === 'object' && method_exists($str, '__toString'))
|
||
|
|
{
|
||
|
|
$str = (string) $str;
|
||
|
|
}
|
||
|
|
else
|
||
|
|
{
|
||
|
|
trigger_error('quoted_printable_encode() expects parameter 1 to be string, '.$type.' given', E_USER_WARNING);
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
if (function_exists('imap_8bit'))
|
||
|
|
{
|
||
|
|
return imap_8bit($str);
|
||
|
|
}
|
||
|
|
|
||
|
|
$i = $lp = 0;
|
||
|
|
$output = '';
|
||
|
|
$hex = '0123456789ABCDEF';
|
||
|
|
$length = (extension_loaded('mbstring') && ini_get('mbstring.func_overload'))
|
||
|
|
? mb_strlen($str, '8bit')
|
||
|
|
: strlen($str);
|
||
|
|
|
||
|
|
while ($length--)
|
||
|
|
{
|
||
|
|
if ((($c = $str[$i++]) === "\015") && isset($str[$i]) && ($str[$i] === "\012") && $length > 0)
|
||
|
|
{
|
||
|
|
$output .= "\015".$str[$i++];
|
||
|
|
$length--;
|
||
|
|
$lp = 0;
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (
|
||
|
|
ctype_cntrl($c)
|
||
|
|
OR (ord($c) === 0x7f)
|
||
|
|
OR (ord($c) & 0x80)
|
||
|
|
OR ($c === '=')
|
||
|
|
OR ($c === ' ' && isset($str[$i]) && $str[$i] === "\015")
|
||
|
|
)
|
||
|
|
{
|
||
|
|
if (
|
||
|
|
(($lp += 3) > 75 && ord($c) <= 0x7f)
|
||
|
|
OR (ord($c) > 0x7f && ord($c) <= 0xdf && ($lp + 3) > 75)
|
||
|
|
OR (ord($c) > 0xdf && ord($c) <= 0xef && ($lp + 6) > 75)
|
||
|
|
OR (ord($c) > 0xef && ord($c) <= 0xf4 && ($lp + 9) > 75)
|
||
|
|
)
|
||
|
|
{
|
||
|
|
$output .= "=\015\012";
|
||
|
|
$lp = 3;
|
||
|
|
}
|
||
|
|
|
||
|
|
$output .= '='.$hex[ord($c) >> 4].$hex[ord($c) & 0xf];
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ((++$lp) > 75)
|
||
|
|
{
|
||
|
|
$output .= "=\015\012";
|
||
|
|
$lp = 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
$output .= $c;
|
||
|
|
}
|
||
|
|
|
||
|
|
return $output;
|
||
|
|
}
|
||
|
|
}
|