mirror of
https://github.com/alextselegidis/easyappointments.git
synced 2024-12-05 06:13:16 +03:00
212 lines
5.4 KiB
PHP
212 lines
5.4 KiB
PHP
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<?php
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/**
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* CodeIgniter
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*
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* An open source application development framework for PHP
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*
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* This content is released under the MIT License (MIT)
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*
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* Copyright (c) 2014 - 2019, British Columbia Institute of Technology
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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* @package CodeIgniter
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* @author EllisLab Dev Team
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* @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/)
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* @copyright Copyright (c) 2014 - 2019, British Columbia Institute of Technology (https://bcit.ca/)
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* @license https://opensource.org/licenses/MIT MIT License
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* @link https://codeigniter.com
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* @since Version 1.3.0
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* @filesource
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*/
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defined('BASEPATH') OR exit('No direct script access allowed');
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/**
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* MySQLi Utility Class
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*
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* @package CodeIgniter
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* @subpackage Drivers
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* @category Database
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* @author EllisLab Dev Team
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* @link https://codeigniter.com/userguide3/database/
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*/
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class CI_DB_mysqli_utility extends CI_DB_utility {
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/**
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* List databases statement
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*
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* @var string
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*/
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protected $_list_databases = 'SHOW DATABASES';
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/**
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* OPTIMIZE TABLE statement
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*
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* @var string
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*/
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protected $_optimize_table = 'OPTIMIZE TABLE %s';
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/**
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* REPAIR TABLE statement
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*
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* @var string
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*/
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protected $_repair_table = 'REPAIR TABLE %s';
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// --------------------------------------------------------------------
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/**
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* Export
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*
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* @param array $params Preferences
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* @return mixed
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*/
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protected function _backup($params = array())
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{
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if (count($params) === 0)
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{
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return FALSE;
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}
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// Extract the prefs for simplicity
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extract($params);
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// Build the output
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$output = '';
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// Do we need to include a statement to disable foreign key checks?
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if ($foreign_key_checks === FALSE)
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{
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$output .= 'SET foreign_key_checks = 0;'.$newline;
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}
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foreach ( (array) $tables as $table)
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{
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// Is the table in the "ignore" list?
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if (in_array($table, (array) $ignore, TRUE))
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{
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continue;
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}
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// Get the table schema
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$query = $this->db->query('SHOW CREATE TABLE '.$this->db->escape_identifiers($this->db->database.'.'.$table));
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// No result means the table name was invalid
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if ($query === FALSE)
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{
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continue;
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}
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// Write out the table schema
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$output .= '#'.$newline.'# TABLE STRUCTURE FOR: '.$table.$newline.'#'.$newline.$newline;
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if ($add_drop === TRUE)
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{
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$output .= 'DROP TABLE IF EXISTS '.$this->db->protect_identifiers($table).';'.$newline.$newline;
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}
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$i = 0;
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$result = $query->result_array();
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foreach ($result[0] as $val)
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{
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if ($i++ % 2)
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{
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$output .= $val.';'.$newline.$newline;
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}
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}
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// If inserts are not needed we're done...
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if ($add_insert === FALSE)
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{
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continue;
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}
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// Grab all the data from the current table
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$query = $this->db->query('SELECT * FROM '.$this->db->protect_identifiers($table));
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if ($query->num_rows() === 0)
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{
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continue;
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}
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// Fetch the field names and determine if the field is an
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// integer type. We use this info to decide whether to
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// surround the data with quotes or not
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$i = 0;
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$field_str = '';
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$is_int = array();
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while ($field = $query->result_id->fetch_field())
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{
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// Most versions of MySQL store timestamp as a string
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$is_int[$i] = in_array($field->type, array(MYSQLI_TYPE_TINY, MYSQLI_TYPE_SHORT, MYSQLI_TYPE_INT24, MYSQLI_TYPE_LONG), TRUE);
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// Create a string of field names
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$field_str .= $this->db->escape_identifiers($field->name).', ';
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$i++;
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}
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// Trim off the end comma
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$field_str = preg_replace('/, $/' , '', $field_str);
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// Build the insert string
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foreach ($query->result_array() as $row)
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{
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$val_str = '';
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$i = 0;
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foreach ($row as $v)
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{
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// Is the value NULL?
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if ($v === NULL)
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{
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$val_str .= 'NULL';
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}
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else
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{
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// Escape the data if it's not an integer
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$val_str .= ($is_int[$i] === FALSE) ? $this->db->escape($v) : $v;
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}
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// Append a comma
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$val_str .= ', ';
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$i++;
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}
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// Remove the comma at the end of the string
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$val_str = preg_replace('/, $/' , '', $val_str);
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// Build the INSERT string
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$output .= 'INSERT INTO '.$this->db->protect_identifiers($table).' ('.$field_str.') VALUES ('.$val_str.');'.$newline;
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}
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$output .= $newline.$newline;
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}
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// Do we need to include a statement to re-enable foreign key checks?
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if ($foreign_key_checks === FALSE)
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{
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$output .= 'SET foreign_key_checks = 1;'.$newline;
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}
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return $output;
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}
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}
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