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<?php |
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namespace HM\BackUpWordPress; |
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use Ifsnop\Mysqldump as IMysqldump; |
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/** |
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* Perform a database backup using the mysqldump-php library |
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* |
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* @see https://github.com/ifsnop/mysqldump-php |
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*/ |
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class IMysqldump_Database_Backup_Engine extends Database_Backup_Engine { |
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public function __construct() { |
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parent::__construct(); |
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} |
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/** |
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* Perform the database backupwordpress |
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* |
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* @return bool True if the backup completed successfully, else false. |
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*/ |
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public function backup() { |
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try { |
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$dump = new IMysqldump\Mysqldump( $this->get_dsn(), $this->get_user(), $this->get_password(), $this->get_dump_settings() ); |
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$dump->start( $this->get_backup_filepath() ); |
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} catch ( \Exception $e ) { |
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$this->error( __CLASS__, $e->getMessage() ); |
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} |
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return $this->verify_backup(); |
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} |
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/** |
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* Get the settings for the database bump. |
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* |
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* @return array The array of database dump settings. |
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*/ |
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public function get_dump_settings() { |
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/** |
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* Allow additional settings to be added. |
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* |
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* @param string[] $settings The array of settings. |
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* @todo can these be standardised across all database backup engines |
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*/ |
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return apply_filters( 'hmbkp_imysqldump_command', array( |
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'default-character-set' => $this->get_charset(), |
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'hex-blob' => true, |
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'single-transaction' => defined( 'HMBKP_MYSQLDUMP_SINGLE_TRANSACTION' ) && HMBKP_MYSQLDUMP_SINGLE_TRANSACTION |
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) ); |
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} |
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/** |
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* Correctly calculates the DSN string for the various mysql |
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* connection variations including simplt hostname, non-standard ports |
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* and socket connections. |
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* |
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* @return string The DSN connection string |
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*/ |
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public function get_dsn() { |
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$dsn = 'mysql:host=' . $this->get_host() . ';dbname=' . $this->get_name(); |
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if ( $this->get_host() && $this->get_port() ) { |
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$dsn = 'mysql:host=' . $this->get_host() . ';port=' . $this->get_port() . ';dbname=' . $this->get_name(); |
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} |
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elseif ( $this->get_socket() ) { |
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$dsn = 'mysql:unix_socket=' . $this->get_socket() . ';dbname=' . $this->get_name(); |
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} |
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return $dsn; |
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} |
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} |
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