Used with foreach as in
foreach ($ifd as $tag => $entry) {
$tag is now a PelTag and $entry is a PelEntry object.
}
| public getIterator ( ) : Iterator | ||
| return | Iterator | an iterator using the {@link PelTag tags} as keys and the entries as values. |
function testArrayAccess()
{
$ifd = new PelIfd(PelIfd::IFD0);
$this->assertEqual(sizeof($ifd->getIterator()), 0);
$desc = new PelEntryAscii(PelTag::IMAGE_DESCRIPTION, 'Hello?');
$date = new PelEntryTime(PelTag::DATE_TIME, 12345678);
$ifd[] = $desc;
$ifd[] = $date;
$this->assertIdentical($ifd[PelTag::IMAGE_DESCRIPTION], $desc);
$this->assertIdentical($ifd[PelTag::DATE_TIME], $date);
unset($ifd[PelTag::DATE_TIME]);
$this->assertFalse(isset($ifd[PelTag::DATE_TIME]));
}
