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[5.3] Add partition collection method #16627

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Merged
taylorotwell merged 4 commits into from
Dec 3, 2016
Merged

[5.3] Add partition collection method #16627

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735c66d
add partition collection method
freekmurze Dec 2, 2016
9ef387b
fix cs
freekmurze Dec 2, 2016
69379b4
return array
freekmurze Dec 2, 2016
b901b7d
fix docblock
freekmurze Dec 2, 2016
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18 changes: 18 additions & 0 deletions src/Illuminate/Support/Collection.php
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Original file line number Diff line number Diff line change
Expand Up @@ -725,6 +725,24 @@ public function forPage($page, $perPage)
return $this->slice(($page - 1) * $perPage, $perPage);
}

/**
* Returns an array with two elements. Items in the first element did pass
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@GrahamCampbell GrahamCampbell Dec 2, 2016

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Please format like the other phpdoc, then looks good. 👍

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@freekmurze freekmurze Dec 2, 2016

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I'm afraid I don't see the formatting problem. Could you tell what's wrong with the current formatting?

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@GrahamCampbell GrahamCampbell Dec 2, 2016 •
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Short descriptions must be "sort". Exactly one sentence and one line. The rest must be separated.

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@freekmurze freekmurze Dec 2, 2016

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Got it, thanks for clarifying

* the given $callback, items in the second element did not.
*
* @param callable $callback
* @return array
*/
public function partition(callable $callback)
{
$partitions = [new static(), new static()];

foreach ($this->items as $item) {
$partitions[! (int) $callback($item)][] = $item;
}

return $partitions;
}

/**
* Pass the collection to the given callback and return the result.
*
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21 changes: 21 additions & 0 deletions tests/Support/SupportCollectionTest.php
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Expand Up @@ -1640,6 +1640,27 @@ public function testSplitEmptyCollection()
})->toArray()
);
}

public function testPartition()
{
$collection = new Collection(range(1, 10));

list($firstPartition, $secondPartition) = $collection->partition(function ($i) {
return $i <= 5;
});

$this->assertEquals([1, 2, 3, 4, 5], $firstPartition->toArray());
$this->assertEquals([6, 7, 8, 9, 10], $secondPartition->toArray());
}

public function testPartitionEmptyCollection()
{
$collection = new Collection();

$this->assertCount(2, $collection->partition(function () {
return true;
}));
}
}

class TestAccessorEloquentTestStub
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