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Direktori : /home2/selectio/www/bharath/system/core/compat/ |
Current File : /home2/selectio/www/bharath/system/core/compat/standard.php |
<?php /** * CodeIgniter * * An open source application development framework for PHP * * This content is released under the MIT License (MIT) * * Copyright (c) 2014 - 2017, 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. (https://ellislab.com/) * @copyright Copyright (c) 2014 - 2017, British Columbia Institute of Technology (http://bcit.ca/) * @license http://opensource.org/licenses/MIT MIT License * @link https://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 https://codeigniter.com/user_guide/ */ // ------------------------------------------------------------------------ if (is_php('5.5')) { return; } // ------------------------------------------------------------------------ if ( ! function_exists('array_column')) { /** * array_column() * * @link http://php.net/array_column * @param array $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', 'resource'), 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); } }