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Countable::count


(PHP 5 >= 5.1.0)

Countable::countCount elements of an object

Beschreibung

abstract public int Countable::count ( void )

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

Parameter-Liste

Diese Funktion hat keine Parameter.

Rückgabewerte

The custom count as an integer.

Hinweis: The return value is cast to an integer.

Beispiele

PHP Code
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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"; }

Das oben gezeigte Beispiel erzeugt eine ähnliche Ausgabe wie:

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