View file File name : mysql_result.php Content :<?php /** * CodeIgniter * * An open source application development framework for PHP * * This content is released under the MIT License (MIT) * * Copyright (c) 2014 - 2019, 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 - 2019, British Columbia Institute of Technology (https://bcit.ca/) * @license https://opensource.org/licenses/MIT MIT License * @link https://codeigniter.com * @since Version 1.0.0 * @filesource */ defined('BASEPATH') OR exit('No direct script access allowed'); /** * MySQL Result Class * * This class extends the parent result class: CI_DB_result * * @category Database * @author EllisLab Dev Team * @link https://codeigniter.com/user_guide/database/ */ class CI_DB_mysql_result extends CI_DB_result { /** * Class constructor * * @param object &$driver_object * @return void */ public function __construct(&$driver_object) { parent::__construct($driver_object); // Required, due to mysql_data_seek() causing nightmares // with empty result sets $this->num_rows = mysql_num_rows($this->result_id); } // -------------------------------------------------------------------- /** * Number of rows in the result set * * @return int */ public function num_rows() { return $this->num_rows; } // -------------------------------------------------------------------- /** * Number of fields in the result set * * @return int */ public function num_fields() { return mysql_num_fields($this->result_id); } // -------------------------------------------------------------------- /** * Fetch Field Names * * Generates an array of column names * * @return array */ public function list_fields() { $field_names = array(); mysql_field_seek($this->result_id, 0); while ($field = mysql_fetch_field($this->result_id)) { $field_names[] = $field->name; } return $field_names; } // -------------------------------------------------------------------- /** * Field data * * Generates an array of objects containing field meta-data * * @return array */ public function field_data() { $retval = array(); for ($i = 0, $c = $this->num_fields(); $i < $c; $i++) { $retval[$i] = new stdClass(); $retval[$i]->name = mysql_field_name($this->result_id, $i); $retval[$i]->type = mysql_field_type($this->result_id, $i); $retval[$i]->max_length = mysql_field_len($this->result_id, $i); $retval[$i]->primary_key = (int) (strpos(mysql_field_flags($this->result_id, $i), 'primary_key') !== FALSE); } return $retval; } // -------------------------------------------------------------------- /** * Free the result * * @return void */ public function free_result() { if (is_resource($this->result_id)) { mysql_free_result($this->result_id); $this->result_id = FALSE; } } // -------------------------------------------------------------------- /** * Data Seek * * Moves the internal pointer to the desired offset. We call * this internally before fetching results to make sure the * result set starts at zero. * * @param int $n * @return bool */ public function data_seek($n = 0) { return $this->num_rows ? mysql_data_seek($this->result_id, $n) : FALSE; } // -------------------------------------------------------------------- /** * Result - associative array * * Returns the result set as an array * * @return array */ protected function _fetch_assoc() { return mysql_fetch_assoc($this->result_id); } // -------------------------------------------------------------------- /** * Result - object * * Returns the result set as an object * * @param string $class_name * @return object */ protected function _fetch_object($class_name = 'stdClass') { return mysql_fetch_object($this->result_id, $class_name); } }