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-rw-r--r--lib/lib_date.php4
1 files changed, 2 insertions, 2 deletions
diff --git a/lib/lib_date.php b/lib/lib_date.php
index 00356927f..d9e1610e6 100644
--- a/lib/lib_date.php
+++ b/lib/lib_date.php
@@ -34,7 +34,7 @@ example('PT6M/');
example('PT7S/');
example('P1DT1H/');
-function example($dateInterval) {
+function example(string $dateInterval) {
$dateIntervalArray = parseDateInterval($dateInterval);
echo $dateInterval, "\t=>\t",
$dateIntervalArray[0] == null ? 'null' : @date('c', $dateIntervalArray[0]), '/',
@@ -84,7 +84,7 @@ function _dateRelative(?string $d1, ?string $d2): ?string {
* @return array{int|null|false,int|null|false} an array with the minimum and maximum Unix timestamp of this interval,
* or null if open interval, or false if error.
*/
-function parseDateInterval(string $dateInterval) {
+function parseDateInterval(string $dateInterval): array {
$dateInterval = trim($dateInterval);
$dateInterval = str_replace('--', '/', $dateInterval);
$dateInterval = strtoupper($dateInterval);