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<?php /** * Contract for every database extension supported by phpMyAdmin * * @package PhpMyAdmin-DBI */ declare(strict_types=1); namespace PhpMyAdmin\Dbi; /** * Contract for every database extension supported by phpMyAdmin * * @package PhpMyAdmin-DBI */ interface DbiExtension { /** * connects to the database server * * @param string $user user name * @param string $password user password * @param array $server host/port/socket/persistent * * @return mixed false on error or a connection object on success */ public function connect( $user, $password, array $server ); /** * selects given database * * @param string $dbname database name to select * @param resource $link connection object * * @return boolean */ public function selectDb($dbname, $link); /** * runs a query and returns the result * * @param string $query query to execute * @param resource $link connection object * @param int $options query options * * @return mixed result */ public function realQuery($query, $link, $options); /** * Run the multi query and output the results * * @param resource $link connection object * @param string $query multi query statement to execute * * @return array|bool */ public function realMultiQuery($link, $query); /** * returns array of rows with associative and numeric keys from $result * * @param object $result result set identifier * * @return array */ public function fetchArray($result); /** * returns array of rows with associative keys from $result * * @param object $result result set identifier * * @return array */ public function fetchAssoc($result); /** * returns array of rows with numeric keys from $result * * @param object $result result set identifier * * @return array */ public function fetchRow($result); /** * Adjusts the result pointer to an arbitrary row in the result * * @param object $result database result * @param integer $offset offset to seek * * @return bool true on success, false on failure */ public function dataSeek($result, $offset); /** * Frees memory associated with the result * * @param object $result database result * * @return void */ public function freeResult($result); /** * Check if there are any more query results from a multi query * * @param resource $link the connection object * * @return bool true or false */ public function moreResults($link); /** * Prepare next result from multi_query * * @param resource $link the connection object * * @return bool true or false */ public function nextResult($link); /** * Store the result returned from multi query * * @param resource $link mysql link * * @return mixed false when empty results / result set when not empty */ public function storeResult($link); /** * Returns a string representing the type of connection used * * @param resource $link mysql link * * @return string type of connection used */ public function getHostInfo($link); /** * Returns the version of the MySQL protocol used * * @param resource $link mysql link * * @return integer version of the MySQL protocol used */ public function getProtoInfo($link); /** * returns a string that represents the client library version * * @param resource $link mysql link * * @return string MySQL client library version */ public function getClientInfo($link); /** * returns last error message or false if no errors occurred * * @param resource $link connection link * * @return string|bool error or false */ public function getError($link); /** * returns the number of rows returned by last query * * @param object $result result set identifier * * @return string|int */ public function numRows($result); /** * returns the number of rows affected by last query * * @param resource $link the connection object * * @return int */ public function affectedRows($link); /** * returns metainfo for fields in $result * * @param object $result result set identifier * * @return array meta info for fields in $result */ public function getFieldsMeta($result); /** * return number of fields in given $result * * @param object $result result set identifier * * @return int field count */ public function numFields($result); /** * returns the length of the given field $i in $result * * @param object $result result set identifier * @param int $i field * * @return int|bool length of field */ public function fieldLen($result, $i); /** * returns name of $i. field in $result * * @param object $result result set identifier * @param int $i field * * @return string name of $i. field in $result */ public function fieldName($result, $i); /** * returns concatenated string of human readable field flags * * @param object $result result set identifier * @param int $i field * * @return string field flags */ public function fieldFlags($result, $i); /** * returns properly escaped string for use in MySQL queries * * @param mixed $link database link * @param string $str string to be escaped * * @return string a MySQL escaped string */ public function escapeString($link, $str); }