%PDF-
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Mini Shell
Mini Shell
<?php
namespace AC\Storage;
use LogicException;
use wpdb;
final class Transaction {
const START = 1;
const COMMIT = 2;
const ROLLBACK = 3;
/**
* @var bool
*/
private $started = false;
/**
* @param bool $start Will start a transaction on creation if true
*/
public function __construct( $start = true ) {
if ( $start === true ) {
$this->start();
}
}
/**
* @param integer $type
*/
private function statement( $type ) {
global $wpdb;
if ( ! $wpdb instanceof wpdb ) {
throw new LogicException( 'The WordPress database is not yet initialized.' );
}
switch ( $type ) {
case self::START:
$sql = 'START TRANSACTION';
break;
case self::COMMIT:
$sql = 'COMMIT';
break;
case self::ROLLBACK:
$sql = 'ROLLBACK';
break;
default:
throw new LogicException( sprintf( 'Found invalid transaction statement: %s.', $type ) );
}
$wpdb->hide_errors();
$wpdb->query( $sql );
}
/**
* Start a MySQL transaction
*/
public function start() {
if ( $this->started ) {
throw new LogicException( 'Transaction has started already.' );
}
$this->started = true;
$this->statement( self::START );
}
/**
* Commit a MySQL transaction
*/
public function commit() {
$this->statement( self::COMMIT );
}
/**
* Rollback a MySQL transaction
*/
public function rollback() {
$this->statement( self::ROLLBACK );
}
}
Zerion Mini Shell 1.0