PHP code example of crazycodr / data-filter

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

crazycodr / data-filter example snippets

//Create the male only filter
$maleOnlyFilter = new ClosureFilter(function($a){ return $a['sex'] == 'male'; });
$sexBasedFilter = new FilterIterator(new FilterGroup(), $data);
$sexBasedFilter->addFilter($maleOnlyFilter);

//Iterate our data source and automatically only get males
foreach($sexBasedFilter as $employee)
{
	echo 'Employee: '.$employee['name'].'<br>';
}

//Create the male only filter and the "female is called julie"
$maleOnlyFilter = new ClosureFilter(function($a){ return $a['sex'] == 'male'; });
$julieFemalesOnlyFilter = new ClosureFilter(function($a){ return $a['sex'] == 'female' && $a['name'] == 'Julie'; });
$sexBasedFilter = new FilterIterator(new FilterGroup(FilterGroup::CONTAINER_TYPE_ANY), $data);
$sexBasedFilter->addFilter($maleOnlyFilter);
$sexBasedFilter->addFilter($julieFemalesOnlyFilter);

//Iterate our data source and automatically only get males or females called Julie
foreach($sexBasedFilter as $employee)
{
	echo 'Employee: '.$employee['name'].'<br>';
}

//Setup the basic filters
$maleOnlyFilter = new ClosureFilter(function($a){ return $a['sex'] == 'male'; });
$femalesOnlyFilter = new ClosureFilter(function($a){ return $a['sex'] == 'female'; });
$age30OrLess = new ClosureFilter(function($a){ return $a['age'] <= 30; });
$age30OrMore = new ClosureFilter(function($a){ return $a['age'] >= 30; });

//Setup the groups
$fullMaleFilter = new FilterGroup();
$fullFemaleFilter = new FilterGroup();
$fullMaleFilter->addFilter($maleOnlyFilter);
$fullMaleFilter->addFilter($age30OrLess);
$fullFemaleFilter->addFilter($femalesOnlyFilter);
$fullFemaleFilter->addFilter($age30OrMore);

//Create the master filter
$sexBasedFilter = new FilterIterator(new FilterGroup(FilterGroup::CONTAINER_TYPE_ANY), $data);
$sexBasedFilter->addFilter($fullMaleFilter);
$sexBasedFilter->addFilter($fullFemaleFilter);

//Iterate our data source and automatically only get males of 30 or less or females of 30 or more
foreach($sexBasedFilter as $employee)
{
	echo 'Employee: '.$employee['name'].'<br>';
}

//Create the male only filter and the "female is called julie"
$maleOnlyFilter = new ClosureFilter(function($a){ return $a['sex'] == 'male'; });
$julieFemalesOnlyFilter = new ClosureFilter(function($a){ return $a['sex'] == 'female' && $a['name'] == 'Julie'; });
$filter = new FilterGroup(FilterGroup::CONTAINER_TYPE_ANY);
$filter->addFilter($maleOnlyFilter);
$filter->addFilter($julieFemalesOnlyFilter);

if($filter->shouldKeep($data))
{
	//Do something
}

class MaleOnlyFilter extends ClosureFilter
{
	public function __construct()
	{
		parent::__construct(new ClosureFilter(function($a){ return $a['sex'] == 'male'; }));
	}
}

class FemaleOnlyFilter extends ClosureFilter
{
	public function __construct()
	{
		parent::__construct(new ClosureFilter(function($a){ return $a['sex'] == 'female'; }));
	}
}

class SexBasedFilterIterator extends FilterIterator
{
	public function __construct($data)
	{
		parent::__construct(new FilterGroup(), $data);
		$this->addFilter(new MaleOnlyFilter());
		$this->addFilter(new FemaleOnlyFilter());
	}
}

class MaleOnlyFilterTest extends PHPUnit_Framework_TestCase
{

	/**
	* @dataProvider maleOnlyFilterDataProvider
	*/
	public function testShouldKeep($data)
	{
		$filter = new MaleOnlyFilter();
		$this->assertEquals($data['expected'], $filter->shouldKeep($data['testdata']));
	}
	
	public function maleOnlyFilterDataProvider()
	{
		return array(
			array(
				'expected' => true,
				'testdata' => array('name' => 'John doe', 'age' => 35, 'sex' => 'male'),
			),
			array(
				'expected' => false,
				'testdata' => array('name' => 'Jone doe', 'age' => 30, 'sex' => 'female'),
			),
		);
	}
	
}