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Array Laravel Package

minwork/array

Minwork Array provides fast, well-tested helpers for nested, associative, and object arrays. Get/set/has plus map, filter, find, group, sort, and validation, with fluent-style chaining. No dependencies; modern PHP syntax.

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getFirstKey

Definition

Arr::getFirstKey(array $array): int|string|null

Description

Get the first key of the given array without affecting the internal array pointer.

Returns null if array is empty.

Examples

Arr::getFirstKey(['a' => 1, 'b' => 2, 'c' => 3]) -> 'a'

Arr::getFirstKey([1, 2, 3]) -> 0

Arr::getFirstKey([]) -> null
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