Finding

find
Definition
Arr::find(array|Iterator|IteratorAggregate $array, callable $condition, string $return = self::FIND_RETURN_VALUE): mixed|mixed[]
Description
Find array (or iterable object) element(s) that match specified condition.
Modes ($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
$array = [
  'a' => 0, 
  'b' => 1, 
  3 => 'c', 
  4 => 5
];
​
​
Arr::find($array, 'boolval') -> 1
Arr::find($array, function ($element) {
  return is_string($element);
}) -> 'c'
​
​
Arr::find($array, 'boolval', Arr::FIND_RETURN_KEY) -> 'b'
Arr::find($array, function ($element) {
  return is_string($element);
}, Arr::FIND_RETURN_KEY) -> 3
​
​
Arr::find($array, 'boolval', Arr::FIND_RETURN_ALL) -> 
[
  'b' => 1, 
  3 => 'c', 
  4 => 5
]
​
Arr::find($array, function ($element) {
  return is_string($element);
}, Arr::FIND_RETURN_ALL) -> 
[
  3 => 'c',
]
​
Arr::find($array, function ($element) {
  return is_number($element);
}, Arr::FIND_RETURN_ALL) -> 
[
  'a' => 0,
  'b' => 1,
  4 => 5
]

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Last updated 2 years ago

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