Countable::count

(PHP 5 >= 5.1.0, PHP 7)

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abstract public Countable::count ( void ) : int

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The custom count as an integer.

Note:

The return value is cast to an integer.

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Example #1 Countable::count() example

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

$counter = new myCounter;

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

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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