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57 lines
1.5 KiB
PHP
57 lines
1.5 KiB
PHP
<?php
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namespace Adminer;
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// this could be interface when "Db extends \mysqli" can have compatible type declarations (PHP 7)
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// interfaces can include properties only since PHP 8.4
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abstract class SqlDb {
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/** @var Db */ static $instance;
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public string $extension; // extension name
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public string $flavor = ''; // different vendor with the same API, e.g. MariaDB; usually stays empty
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public string $server_info; // server version
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public int $affected_rows = 0; // number of affected rows
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public string $info = ''; // see https://php.net/mysql_info
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public int $errno = 0; // last error code
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public string $error = ''; // last error message
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/** @var Result|bool */ protected $multi; // used for multiquery
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/** Connect to server
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* @return string error message
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*/
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abstract function attach(?string $server, string $username, string $password): string;
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/** Quote string to use in SQL
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* @return string escaped string enclosed in '
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*/
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abstract function quote(string $string): string;
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/** Select database
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* @return bool boolish
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*/
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abstract function select_db(string $database);
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/** Send query
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* @return Result|bool
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*/
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abstract function query(string $query, bool $unbuffered = false);
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/** Send query with more resultsets
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* @return Result|bool
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*/
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function multi_query(string $query) {
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return $this->multi = $this->query($query);
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}
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/** Get current resultset
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* @return Result|bool
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*/
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function store_result() {
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return $this->multi;
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}
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/** Fetch next resultset */
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function next_result(): bool {
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return false;
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}
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}
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