Object oriented methods
Manipulating array
Finding
find
Definition
1
Arr::find(array|Iterator|IteratorAggregate $array, callable $condition, string $return = self::FIND_RETURN_VALUE): mixed|mixed[]
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Description
Find array (or iterable object) element(s) that match specified condition.
Modes ($return method argument)
$return method argument)Constant name
Description
FIND_RETURN_VALUE
Return first value of an array that match find condition
FIND_RETURN_KEY
Return first key of an array that match find condition
FIND_RETURN_ALL
Return array of all values (preserving original keys) that match find condition
Examples
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$array = [
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'a' => 0,
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'b' => 1,
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3 => 'c',
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4 => 5
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];
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Arr::find($array, 'boolval') -> 1
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Arr::find($array, function ($element) {
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return is_string($element);
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}) -> 'c'
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Arr::find($array, 'boolval', Arr::FIND_RETURN_KEY) -> 'b'
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Arr::find($array, function ($element) {
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return is_string($element);
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}, Arr::FIND_RETURN_KEY) -> 3
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Arr::find($array, 'boolval', Arr::FIND_RETURN_ALL) ->
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[
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'b' => 1,
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3 => 'c',
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4 => 5
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]
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Arr::find($array, function ($element) {
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return is_string($element);
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}, Arr::FIND_RETURN_ALL) ->
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[
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3 => 'c',
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]
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Arr::find($array, function ($element) {
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return is_number($element);
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}, Arr::FIND_RETURN_ALL) ->
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[
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'a' => 0,
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'b' => 1,
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4 => 5
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]
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Last modified 1yr ago
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