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$collection = collect([
[
'id' => 1,
'name' => 'john',
'age' => 52,
'home_owner' => true,
'kids' => 4,
'type' => User::class
],
[
'id' => 2,
'name' => 'sarah',
'age' => 23,
'home_owner' => false,
'kids' => 1,
'type' => User::class
],
[
'id' => 3,
'name' => 'tim',
'age' => 28,
'home_owner' => false,
'kids' => 2,
'type' => User::class
],
[
'id' => 4,
'name' => 'sam',
'age' => 68,
'home_owner' => true,
'kids' => 2,
'type' => User::class
],
[
'id' => 5,
'name' => 'ray',
'age' => 22,
'home_owner' => false,
'kids' => 2,
'type' => User::class
],
])
Max
returns the maximum value of a given key
$collection->max('age');
Output: 5
min
returns the minimum value of a given key
$collection->min('kids');
Output: 4
avg and average
returns the average value of a given key
$collection->avg('age');
Output: 38.6
$collection->average('age');
Output: 38.6
median
returns the median value of a given key
$collection->median('id');
Output: 3
mode
returns the mode (most often) value of a given key
$collection->mode('kids');
Output: [0 => 2]
sum
returns the sum value of a given key
$collection->sum('kids');
Output: 11
sortBy
sorts the collection by the given key, keeping the original array keys
$collection->sortBy('age');
Output:
// Collection
[
[
'id' => 5,
'name' => 'ray',
'age' => 22,
'home_owner' => false,
'kids' => 2,
'type' => User::class
],
[
'id' => 2,
'name' => 'sarah',
'age' => 23,
'home_owner' => false,
'kids' => 1,
'type' => User::class
],
[
'id' => 3,
'name' => 'tim',
'age' => 28,
'home_owner' => false,
'kids' => 2,
'type' => User::class
],
[
'id' => 1,
'name' => 'john',
'age' => 52,
'home_owner' => true,
'kids' => 4,
'type' => User::class
],
[
'id' => 4,
'name' => 'sam',
'age' => 68,
'home_owner' => true,
'kids' => 2,
'type' => User::class
],
]
sortByDesc
sorts the collection descending by the given key, keeping the original array keys
$collection->sortByDesc('age');
Output:
// Collection
[
[
'id' => 4,
'name' => 'sam',
'age' => 68,
'home_owner' => true,
'kids' => 2,
'type' => User::class
],
[
'id' => 1,
'name' => 'john',
'age' => 52,
'home_owner' => true,
'kids' => 4,
'type' => User::class
],
[
'id' => 3,
'name' => 'tim',
'age' => 28,
'home_owner' => false,
'kids' => 2,
'type' => User::class
],
[
'id' => 2,
'name' => 'sarah',
'age' => 23,
'home_owner' => false,
'kids' => 1,
'type' => User::class
],
[
'id' => 5,
'name' => 'ray',
'age' => 22,
'home_owner' => false,
'kids' => 2,
'type' => User::class
],
]
nth
creates a new collection consisting of every n-th element:
$collection->nth(2);
Output
// Collection
[
[
'id' => 1,
'name' => 'john',
'age' => 52,
'home_owner' => true,
'kids' => 4,
'type' => User::class
],
[
'id' => 3,
'name' => 'tim',
'age' => 28,
'home_owner' => false,
'kids' => 2,
'type' => User::class
],
[
'id' => 5,
'name' => 'ray',
'age' => 22,
'home_owner' => false,
'kids' => 2,
'type' => User::class
]
]
first
retrieves the first element of the collection or optionally the first element that meets the condition from a callback function
$collection->first();
Output:
[
'id' => 1,
'name' => 'john',
'age' => 52,
'home_owner' => true,
'kids' => 4,
'type' => User::class
]
$collection->first(element => element->id > 1);
Output:
[
'id' => 2,
'name' => 'sarah',
'age' => 23,
'home_owner' => false,
'kids' => 1,
'type' => User::class
],
last
retrieves the last element of the collection or optionally the last element that meets the condition from a callback function
$collection->last();
Output:
[
'id' => 5,
'name' => 'ray',
'age' => 22,
'home_owner' => false,
'kids' => 2,
'type' => User::class
]
$collection->last(element => element->id < 5);
Output:
[
'id' => 4,
'name' => 'sam',
'age' => 68,
'home_owner' => true,
'kids' => 2,
'type' => User::class
]
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If you want to get notified when I publish new blog posts or make major project announcements, head over to https://cleancodestudio.paperform.co/
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