Symfony Profiler

<?php
/*
* This file is part of Contao.
*
* (c) Leo Feyer
*
* @license LGPL-3.0-or-later
*/
namespace Contao\Model;
use Contao\Database\Result;
use Contao\Model;
/**
* The class handles traversing a set of models and lazy loads the database
* result rows upon their first usage.
*
* @author Leo Feyer <https://github.com/leofeyer>
*/
class Collection implements \ArrayAccess, \Countable, \IteratorAggregate
{
/**
* Table name
* @var string
*/
protected $strTable;
/**
* Current index
* @var integer
*/
protected $intIndex = -1;
/**
* Models
* @var Model[]
*/
protected $arrModels = array();
/**
* Create a new collection
*
* @param array $arrModels An array of models
* @param string $strTable The table name
*
* @throws \InvalidArgumentException
*/
public function __construct(array $arrModels, $strTable)
{
$arrModels = array_values($arrModels);
foreach ($arrModels as $objModel)
{
if (!$objModel instanceof Model)
{
throw new \InvalidArgumentException('Invalid type: ' . \gettype($objModel));
}
}
$this->arrModels = $arrModels;
$this->strTable = $strTable;
}
/**
* Set an object property
*
* @param string $strKey The property name
* @param mixed $varValue The property value
*/
public function __set($strKey, $varValue)
{
if ($this->intIndex < 0)
{
$this->first();
}
$this->arrModels[$this->intIndex]->$strKey = $varValue;
}
/**
* Return an object property
*
* @param string $strKey The property name
*
* @return mixed|null The property value or null
*/
public function __get($strKey)
{
if ($this->intIndex < 0)
{
$this->first();
}
return $this->arrModels[$this->intIndex]->$strKey ?? null;
}
/**
* Check whether a property is set
*
* @param string $strKey The property name
*
* @return boolean True if the property is set
*/
public function __isset($strKey)
{
if ($this->intIndex < 0)
{
$this->first();
}
return isset($this->arrModels[$this->intIndex]->$strKey);
}
/**
* Create a new collection from a database result
*
* @param Result $objResult The database result object
* @param string $strTable The table name
*
* @return static The model collection
*/
public static function createFromDbResult(Result $objResult, $strTable)
{
$arrModels = array();
$strClass = Model::getClassFromTable($strTable);
while ($objResult->next())
{
/** @var Model $strClass */
$objModel = Registry::getInstance()->fetch($strTable, $objResult->{$strClass::getPk()});
if ($objModel !== null)
{
$objModel->mergeRow($objResult->row());
$arrModels[] = $objModel;
}
else
{
$arrModels[] = new $strClass($objResult);
}
}
return new static($arrModels, $strTable);
}
/**
* Return the current row as associative array
*
* @return array The current row as array
*/
public function row()
{
if ($this->intIndex < 0)
{
$this->first();
}
return $this->arrModels[$this->intIndex]->row();
}
/**
* Set the current row from an array
*
* @param array $arrData The row data as array
*
* @return static The model collection object
*/
public function setRow(array $arrData)
{
if ($this->intIndex < 0)
{
$this->first();
}
$this->arrModels[$this->intIndex]->setRow($arrData);
return $this;
}
/**
* Save the current model
*
* @return static The model collection object
*/
public function save()
{
if ($this->intIndex < 0)
{
$this->first();
}
$this->arrModels[$this->intIndex]->save();
return $this;
}
/**
* Delete the current model and return the number of affected rows
*
* @return integer The number of affected rows
*/
public function delete()
{
if ($this->intIndex < 0)
{
$this->first();
}
return $this->arrModels[$this->intIndex]->delete();
}
/**
* Return the models as array
*
* @return Model[] An array of models
*/
public function getModels()
{
return $this->arrModels;
}
/**
* Lazy load related records
*
* @param string $strKey The property name
*
* @return Collection|Model The model or a model collection if there are multiple rows
*/
public function getRelated($strKey)
{
if ($this->intIndex < 0)
{
$this->first();
}
return $this->arrModels[$this->intIndex]->getRelated($strKey);
}
/**
* Return the number of rows in the result set
*
* @return integer The number of rows
*/
#[\ReturnTypeWillChange]
public function count()
{
return \count($this->arrModels);
}
/**
* Go to the first row
*
* @return static The model collection object
*/
public function first()
{
$this->intIndex = 0;
return $this;
}
/**
* Go to the previous row
*
* @return Collection|false The model collection object or false if there is no previous row
*/
public function prev()
{
if ($this->intIndex < 1)
{
return false;
}
--$this->intIndex;
return $this;
}
/**
* Return the current model
*
* @return Model The model object
*/
public function current()
{
if ($this->intIndex < 0)
{
$this->first();
}
return $this->arrModels[$this->intIndex];
}
/**
* Go to the next row
*
* @return Collection|false The model collection object or false if there is no next row
*/
public function next()
{
if (!isset($this->arrModels[$this->intIndex + 1]))
{
return false;
}
++$this->intIndex;
return $this;
}
/**
* Go to the last row
*
* @return static The model collection object
*/
public function last()
{
$this->intIndex = \count($this->arrModels) - 1;
return $this;
}
/**
* Reset the model
*
* @return static The model collection object
*/
public function reset()
{
$this->intIndex = -1;
return $this;
}
/**
* Fetch a column of each row
*
* @param string $strKey The property name
*
* @return array An array with all property values
*/
public function fetchEach($strKey)
{
$this->reset();
$return = array();
while ($this->next())
{
$strPk = $this->current()->getPk();
if ($strKey != 'id' && isset($this->$strPk))
{
$return[$this->$strPk] = $this->$strKey;
}
else
{
$return[] = $this->$strKey;
}
}
return $return;
}
/**
* Fetch all columns of every row
*
* @return array An array with all rows and columns
*/
public function fetchAll()
{
$this->reset();
$return = array();
while ($this->next())
{
$return[] = $this->row();
}
return $return;
}
/**
* Check whether an offset exists
*
* @param integer $offset The offset
*
* @return boolean True if the offset exists
*/
#[\ReturnTypeWillChange]
public function offsetExists($offset)
{
return isset($this->arrModels[$offset]);
}
/**
* Retrieve a particular offset
*
* @param integer $offset The offset
*
* @return Model|null The model or null
*/
#[\ReturnTypeWillChange]
public function offsetGet($offset)
{
return $this->arrModels[$offset];
}
/**
* Set a particular offset
*
* @param integer $offset The offset
* @param mixed $value The value to set
*
* @throws \RuntimeException The collection is immutable
*/
#[\ReturnTypeWillChange]
public function offsetSet($offset, $value)
{
throw new \RuntimeException('This collection is immutable');
}
/**
* Unset a particular offset
*
* @param integer $offset The offset
*
* @throws \RuntimeException The collection is immutable
*/
#[\ReturnTypeWillChange]
public function offsetUnset($offset)
{
throw new \RuntimeException('This collection is immutable');
}
/**
* Retrieve the iterator object
*
* @return \ArrayIterator The iterator object
*/
#[\ReturnTypeWillChange]
public function getIterator()
{
return new \ArrayIterator($this->arrModels);
}
}
class_alias(Collection::class, 'Model\Collection');

vendor/contao/core-bundle/src/Resources/contao/library/Contao/Model/Collection.php line 127