| public getValue ( $type = self::UNIX_TIMESTAMP ) : integer | ||
| return | integer | the timestamp held by this entry in the correct form as indicated by the type argument. For {@link UNIX_TIMESTAMP} this is an integer counting the number of seconds since January 1st 1970, for {@link EXIF_STRING} this is a string of the form 'YYYY:MM:DD hh:mm:ss', and for {@link JULIAN_DAY_COUNT} this is a floating point number where the integer part denotes the day count and the fractional part denotes the time of day (0.25 means 6:00, 0.75 means 18:00). |
public function getValue($type = self::UNIX_TIMESTAMP)
{
switch ($type) {
case self::UNIX_TIMESTAMP:
$seconds = $this->convertJdToUnix($this->day_count);
if ($seconds === false) {
/*
* We get false if the Julian Day Count is outside the range
* of a UNIX timestamp.
*/
return false;
} else {
return $seconds + $this->seconds;
}
break;
case self::EXIF_STRING:
list($year, $month, $day) = $this->convertJdToGregorian($this->day_count);
$hours = (int) ($this->seconds / 3600);
$minutes = (int) ($this->seconds % 3600 / 60);
$seconds = $this->seconds % 60;
return sprintf('%04d:%02d:%02d %02d:%02d:%02d', $year, $month, $day, $hours, $minutes, $seconds);
case self::JULIAN_DAY_COUNT:
return $this->day_count + $this->seconds / 86400;
default:
throw new PelInvalidArgumentException('Expected UNIX_TIMESTAMP (%d), ' . 'EXIF_STRING (%d), or ' . 'JULIAN_DAY_COUNT (%d) for $type, ' . 'got %d.', self::UNIX_TIMESTAMP, self::EXIF_STRING, self::JULIAN_DAY_COUNT, $type);
}
} function testTime()
{
$entry = new PelEntryTime(42, 10);
$this->assertEquals($entry->getComponents(), 20);
$this->assertEquals($entry->getValue(), 10);
$this->assertEquals($entry->getValue(PelEntryTime::UNIX_TIMESTAMP), 10);
$this->assertEquals($entry->getValue(PelEntryTime::EXIF_STRING), '1970:01:01 00:00:10');
$this->assertEquals($entry->getValue(PelEntryTime::JULIAN_DAY_COUNT), 2440588 + 10 / 86400);
$this->assertEquals($entry->getText(), '1970:01:01 00:00:10');
// Malformed Exif timestamp.
$entry->setValue('1970!01-01 00 00 30', PelEntryTime::EXIF_STRING);
$this->assertEquals($entry->getValue(), 30);
$entry->setValue(2415021.75, PelEntryTime::JULIAN_DAY_COUNT);
// This is Jan 1st 1900 at 18:00, outside the range of a UNIX
// timestamp:
$this->assertEquals($entry->getValue(), false);
$this->assertEquals($entry->getValue(PelEntryTime::EXIF_STRING), '1900:01:01 18:00:00');
$this->assertEquals($entry->getValue(PelEntryTime::JULIAN_DAY_COUNT), 2415021.75);
$entry->setValue('0000:00:00 00:00:00', PelEntryTime::EXIF_STRING);
$this->assertEquals($entry->getValue(), false);
$this->assertEquals($entry->getValue(PelEntryTime::EXIF_STRING), '0000:00:00 00:00:00');
$this->assertEquals($entry->getValue(PelEntryTime::JULIAN_DAY_COUNT), 0);
$entry->setValue('9999:12:31 23:59:59', PelEntryTime::EXIF_STRING);
// this test will fail on 32bit machines
$this->assertEquals($entry->getValue(), 253402300799);
$this->assertEquals($entry->getValue(PelEntryTime::EXIF_STRING), '9999:12:31 23:59:59');
$this->assertEquals($entry->getValue(PelEntryTime::JULIAN_DAY_COUNT), 5373484 + 86399 / 86400);
// Check day roll-over for SF bug #1699489.
$entry->setValue('2007:04:23 23:30:00', PelEntryTime::EXIF_STRING);
$t = $entry->getValue(PelEntryTime::UNIX_TIMESTAMP);
$entry->setValue($t + 3600);
$this->assertEquals($entry->getValue(PelEntryTime::EXIF_STRING), '2007:04:24 00:30:00');
}
