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PHP

Count elements of an object


Countable::count

(PHP 5 >= 5.1.0)

Countable::countCount elements of an object

Description

abstract public int Countable::count ( void )

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 integer.

Note:

The return value is cast to an integer.

Examples

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";
}
?>

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 



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