问题 Firbase db structure is information->[key1=>[id=>1,value=>value1,status=>1],key2=>[id=>2,value=>value2,status=>1]...] I have array of keys (eg: key1,key3 ) needs to delete.That is delete node information->key(eg: info=>key1,info->key3 ).How can i write delete query using php? I tried using this code. $deleteionKeys = []; foreach ( $data as $key => $value ) { $deleteionKeys = array_merge( $deleteionKeys, ["{$key}" ] ); } $firebase = new \FirebaseDB( "information" ); $data = $firebase->getChild