compolomus/collection

Collection

dev-master 2019-10-05 13:40 UTC

Requires

• php: ^7.3

Requires (Dev)

• phpunit/phpunit: ^8.0
• zendframework/zend-coding-standard: ^1.0

Suggests

• ext-xdebug: ^2.6.0

MIT

• Koenig

• collection

README

Install:

composer require compolomus/Collection

Usage:

use Compolomus\Collection\Collection;

require __DIR__ . '/vendor/autoload.php';

New collection

Single add

$collection = new Collection('stdClass');

for ($i = 0; $i <= 42; $i++) {
    $add = new stdClass();
    $add->test = $i;
    $collection->addOne($add);
}

Batch add

$array = [];
for ($i = 0; $i <= 42; $i++) {
    $add = new stdClass();
    $add->test = $i;
    $array[] = $add;
}
$collection->addAll($array);

Limit

Count limit

$limit1 = $collection->immutable()->limit(5);

echo '<pre>' . print_r($limit1->get(), true) . '</pre>';
/*
Array
(
    [0] => stdClass Object
        (
            [test] => 0
        )

    [1] => stdClass Object
        (
            [test] => 1
        )

    [2] => stdClass Object
        (
            [test] => 2
        )

    [3] => stdClass Object
        (
            [test] => 3
        )

    [4] => stdClass Object
        (
            [test] => 4
        )
)
 */
 

Limit with offset

$limit2 = $collection->immutable()->limit(3, 3);

echo '<pre>' . print_r($limit2->get(), true) . '</pre>';
/*
Array
(
    [0] => stdClass Object
        (
            [test] => 3
        )

    [1] => stdClass Object
        (
            [test] => 4
        )

    [2] => stdClass Object
        (
            [test] => 5
        )
)
 */

Count

echo $collection->count(); //43
echo $limit1->count(); // 5
echo $limit2->count(); // 3

Sort

$sort = $limit2->immutable()->sort('test', Collection::DESC);

echo '<pre>' . print_r($sort->get(), true) . '</pre>';
/*
Array
(
    [2] => stdClass Object
        (
            [test] => 5
        )

    [1] => stdClass Object
        (
            [test] => 4
        )

    [0] => stdClass Object
        (
            [test] => 3
        )
)
 */

LINQ

$linq = $collection->where('test > 33');

echo '<pre>' . print_r($linq->get(), true) . '</pre>';
/*
Array
(
    [0] => stdClass Object
        (
            [test] => 34
        )

    [1] => stdClass Object
        (
            [test] => 35
        )

    [2] => stdClass Object
        (
            [test] => 36
        )

    [3] => stdClass Object
        (
            [test] => 37
        )

    [4] => stdClass Object
        (
            [test] => 38
        )

    [5] => stdClass Object
        (
            [test] => 39
        )

    [6] => stdClass Object
        (
            [test] => 40
        )

    [7] => stdClass Object
        (
            [test] => 41
        )

    [8] => stdClass Object
        (
            [test] => 42
        )
) 
 */