public function asDuration($value, $implodeString = ', ', $negativeSign = '-')
{
if ($value === null) {
return $this->nullDisplay;
}
if ($value instanceof DateInterval) {
$isNegative = $value->invert;
$interval = $value;
} elseif (is_numeric($value)) {
$isNegative = $value < 0;
$zeroDateTime = (new DateTime())->setTimestamp(0);
$valueDateTime = (new DateTime())->setTimestamp(abs($value));
$interval = $valueDateTime->diff($zeroDateTime);
} elseif (strpos($value, 'P-') === 0) {
$interval = new DateInterval('P' . substr($value, 2));
$isNegative = true;
} else {
$interval = new DateInterval($value);
$isNegative = $interval->invert;
}
if ($interval->y > 0) {
$parts[] = Yii::t('yii', '{delta, plural, =1{1 year} other{# years}}', ['delta' => $interval->y], $this->locale);
}
if ($interval->m > 0) {
$parts[] = Yii::t('yii', '{delta, plural, =1{1 month} other{# months}}', ['delta' => $interval->m], $this->locale);
}
if ($interval->d > 0) {
$parts[] = Yii::t('yii', '{delta, plural, =1{1 day} other{# days}}', ['delta' => $interval->d], $this->locale);
}
if ($interval->h > 0) {
$parts[] = Yii::t('yii', '{delta, plural, =1{1 hour} other{# hours}}', ['delta' => $interval->h], $this->locale);
}
if ($interval->i > 0) {
$parts[] = Yii::t('yii', '{delta, plural, =1{1 minute} other{# minutes}}', ['delta' => $interval->i], $this->locale);
}
if ($interval->s > 0) {
$parts[] = Yii::t('yii', '{delta, plural, =1{1 second} other{# seconds}}', ['delta' => $interval->s], $this->locale);
}
if ($interval->s === 0 && empty($parts)) {
$parts[] = Yii::t('yii', '{delta, plural, =1{1 second} other{# seconds}}', ['delta' => $interval->s], $this->locale);
$isNegative = false;
}
return empty($parts) ? $this->nullDisplay : ($isNegative ? $negativeSign : '') . implode($implodeString, $parts);
}
