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Countable::count

Countable::count

Count elements of an object

int **Countable::count**

This method is executed when the for is an object implementing . value``count``Countable

The custom count as an . int

Voorbeeld: example

<?php

class Counter implements Countable
{
    private $count = 0;

    public function count(): int
    {
        return ++$this->count;
    }
}

$counter = new Counter;

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

?>

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
Vorige ← The Countable interface Volgende DivisionByZeroError →

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