PHP 8.4.0 RC4 available for testing

    array_all

    (PHP 8 >= 8.4.0)

    array_all — Checks if all array elements satisfy a callback function

    Descripción

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

    array_all() returns true, if the given callback returns true for all elements. Otherwise the function returns false.

    Parámetros

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

    Valores devueltos

    The function returns true, if callback returns true for all elements. Otherwise the function returns false.

    Ejemplos

    Ejemplo #1 array_all() example

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

    // Check, if all animal names are shorter than 12 letters.
    var_dump(array_all($array, function (string $value) {
    return     strlen($value) < 12;
    }));

    // Check, if all animal names are longer than 5 letters.
    var_dump(array_all($array, function (string $value) {
    return     strlen($value) > 5;
    }));

    // Check, if all array keys are strings.
    var_dump(array_all($array, function (string $value, $key) {
    return     is_string($key);
    }));
    ?>

    El resultado del ejemplo sería:

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

    Ver también

    • array_any() - Checks if at least one array element satisfies a callback function
    • array_filter() - Filtra elementos de un array usando una función de devolución de llamada
    • 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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