(PHP 5 >= 5.1.0)
Countable::count — Count elements of an object
This method is executed when using the count() function on an object implementing Countable.
Ta funkcja nie posiada parametrów.
The custom count as an integer.
Informacja:
The return value is cast to an integer.
Przykład #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";
}
?>
Powyższy przykład wyświetli coś podobnego do:
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