array_any

    (PHP 8 >= 8.4.0)

    array_any — Checks if at least one array element satisfies a callback function

    Descrizione

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

    array_any() returns true, if the given callback returns true for any element. Otherwise the function returns false.

    Elenco dei parametri

    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, true is returned from array_any() and the callback will not be called for further elements.

    Valori restituiti

    The function returns true, if there is at least one element for which callback returns true. Otherwise the function returns false.

    Esempi

    Example #1 array_any() example

    <?php
    $array     = [
    'a' => 'dog',
    'b' => 'cat',
    'c' => 'cow',
    'd' => 'duck',
    'e' => 'goose',
    'f' => 'elephant'
    ];

    // Check, if any animal name is longer than 5 letters.
    var_dump(array_any($array, function (string $value) {
    return     strlen($value) > 5;
    }));

    // Check, if any animal name is shorter than 3 letters.
    var_dump(array_any($array, function (string $value) {
    return     strlen($value) < 3;
    }));

    // Check, if any array key is not a string.
    var_dump(array_any($array, function (string $value, $key) {
    return !    is_string($key);
    }));
    ?>

    Il precedente esempio visualizzerà:

    bool(true)
bool(false)
bool(false)

    Vedere anche:

    • array_all() - Checks if all array elements satisfy a callback function
    • array_filter() - Filtra gli elementi di un array usando una funzione callback
    • array_find() - Returns the first element satisfying a callback function
    • array_find_key() - Returns the key of the first element satisfying a callback function

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