Verzeichnisstruktur phpBB-3.2.0
- Veröffentlicht
- 06.01.2017
So funktioniert es
|
|
Auf das letzte Element klicken. Dies geht jeweils ein Schritt zurück |
Auf das Icon klicken, dies öffnet das Verzeichnis. Nochmal klicken schließt das Verzeichnis. |
|
|
(Beispiel Datei-Icons)
|
Auf das Icon klicken um den Quellcode anzuzeigen |
helper.php
001 <?php
002 /**
003 *
004 * This file is part of the phpBB Forum Software package.
005 *
006 * @copyright (c) phpBB Limited <https://www.phpbb.com>
007 * @license GNU General Public License, version 2 (GPL-2.0)
008 *
009 * For full copyright and license information, please see
010 * the docs/CREDITS.txt file.
011 *
012 */
013
014 namespace phpbb\db\migration;
015
016 /**
017 * The migrator is responsible for applying new migrations in the correct order.
018 */
019 class helper
020 {
021 /**
022 * Get the schema steps from an array of schema changes
023 *
024 * This splits up $schema_changes into individual changes so that the
025 * changes can be chunked
026 *
027 * @param array $schema_changes from migration
028 * @return array
029 */
030 public function get_schema_steps($schema_changes)
031 {
032 $steps = array();
033
034 // Nested level of data (only supports 1/2 currently)
035 $nested_level = array(
036 'drop_tables' => 1,
037 'add_tables' => 1,
038 'change_columns' => 2,
039 'add_columns' => 2,
040 'drop_keys' => 2,
041 'drop_columns' => 2,
042 'add_primary_keys' => 2, // perform_schema_changes only uses one level, but second is in the function
043 'add_unique_index' => 2,
044 'add_index' => 2,
045 );
046
047 foreach ($nested_level as $change_type => $data_depth)
048 {
049 if (!empty($schema_changes[$change_type]))
050 {
051 foreach ($schema_changes[$change_type] as $key => $value)
052 {
053 if ($data_depth === 1)
054 {
055 $steps[] = array(
056 'dbtools.perform_schema_changes', array(array(
057 $change_type => array(
058 (!is_int($key)) ? $key : 0 => $value,
059 ),
060 )),
061 );
062 }
063 else if ($data_depth === 2)
064 {
065 foreach ($value as $key2 => $value2)
066 {
067 $steps[] = array(
068 'dbtools.perform_schema_changes', array(array(
069 $change_type => array(
070 $key => array(
071 $key2 => $value2,
072 ),
073 ),
074 )),
075 );
076 }
077 }
078 }
079 }
080 }
081
082 return $steps;
083 }
084
085 /**
086 * Reverse the update steps from an array of data changes
087 *
088 * 'If' statements and custom methods will be skipped, for all
089 * other calls the reverse method of the tool class will be called
090 *
091 * @param array $steps Update changes from migration
092 *
093 * @return array
094 */
095 public function reverse_update_data($steps)
096 {
097 $reversed_array = array();
098
099 foreach ($steps as $step)
100 {
101 $parts = explode('.', $step[0]);
102 $parameters = $step[1];
103
104 $class = $parts[0];
105 $method = isset($parts[1]) ? $parts[1] : false;
106
107 if ($class !== 'if' && $class !== 'custom')
108 {
109 array_unshift($parameters, $method);
110 $reversed_array[] = array($class . '.reverse', $parameters);
111 }
112 }
113
114 return array_reverse($reversed_array);
115 }
116 }
117