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