public static Cache::mergeMaxAges($a = Cache::PERMANENT, $b = Cache::PERMANENT)
Merges max-age values (expressed in seconds), finds the lowest max-age.
Ensures infinite max-age (Cache::PERMANENT) is taken into account.
Parameters
int $a: Max age value to merge.
int $b: Max age value to merge.
Return value
int The minimum max-age value.
File
- core/lib/Drupal/Core/Cache/Cache.php, line 77
Class
- Cache
- Helper methods for cache.
Namespace
Drupal\Core\Cache
Code
public static function mergeMaxAges($a = Cache::PERMANENT, $b = Cache::PERMANENT) {
// If one of the values is Cache::PERMANENT, return the other value.
if ($a === Cache::PERMANENT) {
return $b;
}
if ($b === Cache::PERMANENT) {
return $a;
}
// If none or the values are Cache::PERMANENT, return the minimum value.
return min($a, $b);
}
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