Countable
RecursiveIterator
Countable
PHP Manual

# Countable::count

(PHP 5 >= 5.1.0)

Countable::count — Count elements of an object

### 설명

abstract public int Countable::count ( void )

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

### 인수

이 함수는 인수가 없습니다.

### 반환값

The custom count as integer.

> Note: The return value is casted to integer.

### 예제

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";
}
?>`

위 예제의 출력 예시:

    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

Countable
RecursiveIterator
Countable
PHP Manual