ldc-sbv/pole-sbv-content/plugins/ninja-forms/includes/Abstracts/Migration.php

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PHP
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2017-08-08 12:06:05 +02:00
<?php if ( ! defined( 'ABSPATH' ) ) exit;
require_once( ABSPATH . 'wp-admin/includes/upgrade.php');
abstract class NF_Abstracts_Migration
{
public $table_name = '';
public $charset_collate = '';
public $flag = '';
public function __construct( $table_name, $flag )
{
$this->table_name = $table_name;
}
public function table_name()
{
global $wpdb;
return $wpdb->prefix . $this->table_name;
}
public function charset_collate()
{
global $wpdb;
$wpdb->get_charset_collate();
}
public function _run()
{
// Check the flag
if( get_option( $this->flag, FALSE ) ) return;
// Run the migration
$this->run();
// Set the Flag
update_option( $this->flag, TRUE );
}
protected abstract function run();
public function _drop()
{
global $wpdb;
if( ! $this->table_name ) return;
if( 0 == $wpdb->query( "SHOW TABLES LIKE '{$this->table_name()}'" ) ) return;
$wpdb->query( "DROP TABLE {$this->table_name()}" );
return $this->drop();
}
protected function drop()
{
// This section intentionally left blank.
}
}