element.php
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<?php
/**
* @package FrameworkOnFramework
* @subpackage database
* @copyright Copyright (C) 2010-2016 Nicholas K. Dionysopoulos / Akeeba Ltd. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE.txt
*
* This file is adapted from the Joomla! Platform. It is used to iterate a database cursor returning FOFTable objects
* instead of plain stdClass objects
*/
// Protect from unauthorized access
defined('FOF_INCLUDED') or die;
/**
* Query Element Class.
*
* @property-read string $name The name of the element.
* @property-read array $elements An array of elements.
* @property-read string $glue Glue piece.
*
* @since 11.1
*/
class FOFDatabaseQueryElement
{
/**
* @var string The name of the element.
* @since 11.1
*/
protected $name = null;
/**
* @var array An array of elements.
* @since 11.1
*/
protected $elements = null;
/**
* @var string Glue piece.
* @since 11.1
*/
protected $glue = null;
/**
* Constructor.
*
* @param string $name The name of the element.
* @param mixed $elements String or array.
* @param string $glue The glue for elements.
*
* @since 11.1
*/
public function __construct($name, $elements, $glue = ',')
{
$this->elements = array();
$this->name = $name;
$this->glue = $glue;
$this->append($elements);
}
/**
* Magic function to convert the query element to a string.
*
* @return string
*
* @since 11.1
*/
public function __toString()
{
if (substr($this->name, -2) == '()')
{
return PHP_EOL . substr($this->name, 0, -2) . '(' . implode($this->glue, $this->elements) . ')';
}
else
{
return PHP_EOL . $this->name . ' ' . implode($this->glue, $this->elements);
}
}
/**
* Appends element parts to the internal list.
*
* @param mixed $elements String or array.
*
* @return void
*
* @since 11.1
*/
public function append($elements)
{
if (is_array($elements))
{
$this->elements = array_merge($this->elements, $elements);
}
else
{
$this->elements = array_merge($this->elements, array($elements));
}
}
/**
* Gets the elements of this element.
*
* @return array
*
* @since 11.1
*/
public function getElements()
{
return $this->elements;
}
/**
* Method to provide deep copy support to nested objects and arrays
* when cloning.
*
* @return void
*
* @since 11.3
*/
public function __clone()
{
foreach ($this as $k => $v)
{
if (is_object($v) || is_array($v))
{
$this->{$k} = unserialize(serialize($v));
}
}
}
}