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fix Handler::etag(): Argument #1 ($entry) must be of type array, null given
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@ -203,7 +203,7 @@ abstract class Handler
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*
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* @param string|int $id
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* @param string $path =null implementation can use it, used in call from _common_get_put_delete
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* @return array|boolean array with entry, false if no read rights, null if $id does not exist
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* @return array|false|null array with entry, false if no read rights, null if $id does not exist
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*/
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abstract function read($id /*,$path=null*/);
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@ -247,7 +247,7 @@ abstract class Handler
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* Get the etag for an entry, can be reimplemented for other algorithm or field names
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*
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* @param array|int $entry array with event or cal_id
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* @return string|boolean string with etag or false
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* @return string|false string with etag or false
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*/
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function get_etag($entry)
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{
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@ -255,7 +255,7 @@ abstract class Handler
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{
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$entry = $this->read($entry);
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}
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return static::etag($entry);
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return $entry ? static::etag($entry) : false;
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}
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/**
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@ -266,7 +266,7 @@ abstract class Handler
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*/
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public static function etag(array $entry)
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{
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if (!is_array($entry) || !isset($entry['id']) || !(isset($entry['modified']) || isset($entry['etag'])))
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if (!isset($entry['id']) || !(isset($entry['modified']) || isset($entry['etag'])))
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{
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// error_log(__METHOD__."(".array2string($entry).") Cant create etag!");
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return false;
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