Countable::count

    (PHP 5 >= 5.1.0, PHP 7, PHP 8)

    Countable::count — Count elements of an object

    Description

    publicCountable::count(): int

    This method is executed when using the count() function on an object implementing Countable.

    Parameters

    This function has no parameters.

    Return Values

    The custom count as an int.

    Note:

    The return value is cast to an int.

    Examples

    Example #1 Countable::count() example

    <?php
    class myCounter implements Countable {
    private     $count = 0;
    public function     count() {
    return ++    $this->count;
    }
    }

    $counter = new myCounter;

    for(    $i=0; $i<10; ++$i) {
    echo     "I have been count()ed " . count($counter) . " times\n";
    }
    ?>

    The above example will output something similar to:

    I have been count()ed 1 times I have been count()ed 2 times I have been count()ed 3 times I have been count()ed 4 times I have been count()ed 5 times I have been count()ed 6 times I have been count()ed 7 times I have been count()ed 8 times I have been count()ed 9 times I have been count()ed 10 times
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