Php/docs/countable.count
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Countable::count
(PHP 5 >= 5.1.0, PHP 7)
Countable::count — Count elements of an object
Description
abstract public Countable::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
<?phpclass 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
