SplObjectStorage::valid

(PHP 5 >= 5.1.0)

SplObjectStorage::valid — Returns if the current iterator entry is valid

설명

public bool SplObjectStorage::valid ( void )

Returns if the current iterator entry is valid.

인수

이 함수는 인수가 없습니다.

반환값

Returns TRUE if the iterator entry is valid, FALSE otherwise.

예제

Example #1 SplObjectStorage::valid() example


<?php
$s = new SplObjectStorage();

$o1 = new StdClass;
$o2 = new StdClass;

$s->attach($o1, "d1");
$s->attach($o2, "d2");

$s->rewind();
while($s->valid()) {
    echo $s->key()."\n";
    $s->next();
}
?>

위 예제의 출력 예시:

0
1

참고

SplObjectStorage::current() - Returns the current storage entry
SplObjectStorage::getInfo() - Returns the data associated with the current iterator entry