src/Core/Db/Expression/Builder/JoinBuilder.php
private function _prepareJoinTable(array $tables)
	{
		$this->tables = ' ';
		foreach($tables as $tableObj)
		{
			$this->tables .= $tableObj->getExpression() . ', ';
		}
		$this->tables = rtrim(rtrim($this->tables), ',') . ' ';
	}
private function _prepareJoinTable(array $tables)
	{
		$this->tables = ' ';
		foreach($tables as $tableObj)
		{
			$this->tables .= $tableObj->getExpression() . ', ';
		}
		$this->tables = rtrim(rtrim($this->tables), ',') . ' ';
	}
private function _prepareJoinTable ( array $ tables ) { $ this -> tables = ' ' ; foreach ( $ tables as $ tableObj ) { $ this -> tables .= $ tableObj -> getExpression ( ) . ', ' ; } $ this -> tables = rtrim ( rtrim ( $ this -> tables ) , ',' ) . ' ' ; }
Validate the tables array to a string.

@param TableInterface[] $tables
Validate the tables array to a string .