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array_find

Description

The array_find of Array for PHP returns the first element satisfying a callback function.

Syntax

array_find(
    array $array,
    callable $callback
): mixed

Parameters

array

The array that should be searched.

callback

The callback function to call to check each element, which must be

callback(
    mixed $value,
    mixed $key
): bool

If this function returns true, the value is returned from array_find() and the callback will not be called for further elements.

Return

Returns the value of the first element for which the callback returns true. If no matching element is found the function returns null.

Examples

1 · array callback

<?

function callback(string $value, $key)
{
    return $key === $value[0];
}

$array =
[
    "a" => "dog",
    "b" => "cat",
    "c" => "cow"
];
$callback = "callback";

$return = array_find($array, $callback);

var_dump($return);

string(3) "cow"