<?php /** * CodeIgniter * * An open source application development framework for PHP * * This content is released under the MIT License (MIT) * * Copyright (c) 2014 - 2018, 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 - 2018, British Columbia Institute of Technology (https://bcit.ca/) * @license https://opensource.org/licenses/MIT MIT License * @link https://codeigniter.com * @since Version 1.3.0 * @filesource */ defined('BASEPATH') OR exit('No direct script access allowed'); /** * MySQLi Result Class * * This class extends the parent result class: CI_DB_result * * @package CodeIgniter * @subpackage Drivers * @category Database * @author EllisLab Dev Team * @link https://codeigniter.com/user_guide/database/ */ class CI_DB_mysqli_result extends CI_DB_result { /** * Number of rows in the result set * * @return int */ public function num_rows() { return is_int($this->num_rows) ? $this->num_rows : $this->num_rows = $this->result_id->num_rows; } // -------------------------------------------------------------------- /** * Number of fields in the result set * * @return int */ public function num_fields() { return $this->result_id->field_count; } // -------------------------------------------------------------------- /** * Fetch Field Names * * Generates an array of column names * * @return array */ public function list_fields() { $field_names = array(); $this->result_id->field_seek(0); while ($field = $this->result_id->fetch_field()) { $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(); $field_data = $this->result_id->fetch_fields(); for ($i = 0, $c = count($field_data); $i < $c; $i++) { $retval[$i] = new stdClass(); $retval[$i]->name = $field_data[$i]->name; $retval[$i]->type = static::_get_field_type($field_data[$i]->type); $retval[$i]->max_length = $field_data[$i]->max_length; $retval[$i]->primary_key = (int) ($field_data[$i]->flags & MYSQLI_PRI_KEY_FLAG); $retval[$i]->default = $field_data[$i]->def; } return $retval; } // -------------------------------------------------------------------- /** * Get field type * * Extracts field type info from the bitflags returned by * mysqli_result::fetch_fields() * * @used-by CI_DB_mysqli_result::field_data() * @param int $type * @return string */ private static function _get_field_type($type) { static $map; isset($map) OR $map = array( MYSQLI_TYPE_DECIMAL => 'decimal', MYSQLI_TYPE_BIT => 'bit', MYSQLI_TYPE_TINY => 'tinyint', MYSQLI_TYPE_SHORT => 'smallint', MYSQLI_TYPE_INT24 => 'mediumint', MYSQLI_TYPE_LONG => 'int', MYSQLI_TYPE_LONGLONG => 'bigint', MYSQLI_TYPE_FLOAT => 'float', MYSQLI_TYPE_DOUBLE => 'double', MYSQLI_TYPE_TIMESTAMP => 'timestamp', MYSQLI_TYPE_DATE => 'date', MYSQLI_TYPE_TIME => 'time', MYSQLI_TYPE_DATETIME => 'datetime', MYSQLI_TYPE_YEAR => 'year', MYSQLI_TYPE_NEWDATE => 'date', MYSQLI_TYPE_INTERVAL => 'interval', MYSQLI_TYPE_ENUM => 'enum', MYSQLI_TYPE_SET => 'set', MYSQLI_TYPE_TINY_BLOB => 'tinyblob', MYSQLI_TYPE_MEDIUM_BLOB => 'mediumblob', MYSQLI_TYPE_BLOB => 'blob', MYSQLI_TYPE_LONG_BLOB => 'longblob', MYSQLI_TYPE_STRING => 'char', MYSQLI_TYPE_VAR_STRING => 'varchar', MYSQLI_TYPE_GEOMETRY => 'geometry' ); return isset($map[$type]) ? $map[$type] : $type; } // -------------------------------------------------------------------- /** * Free the result * * @return void */ public function free_result() { if (is_object($this->result_id)) { $this->result_id->free(); $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 $this->result_id->data_seek($n); } // -------------------------------------------------------------------- /** * Result - associative array * * Returns the result set as an array * * @return array */ protected function _fetch_assoc() { return $this->result_id->fetch_assoc(); } // -------------------------------------------------------------------- /** * Result - object * * Returns the result set as an object * * @param string $class_name * @return object */ protected function _fetch_object($class_name = 'stdClass') { return $this->result_id->fetch_object($class_name); } }