wpdb::flush()

Kill cached query results.


Description Description


Source Source

File: wp-includes/wp-db.php

	public function flush() {
		$this->last_result = array();
		$this->col_info    = null;
		$this->last_query  = null;
		$this->rows_affected = $this->num_rows = 0;
		$this->last_error  = '';

		if ( $this->use_mysqli && $this->result instanceof mysqli_result ) {
			mysqli_free_result( $this->result );
			$this->result = null;

			// Sanity check before using the handle
			if ( empty( $this->dbh ) || !( $this->dbh instanceof mysqli ) ) {
				return;
			}

			// Clear out any results from a multi-query
			while ( mysqli_more_results( $this->dbh ) ) {
				mysqli_next_result( $this->dbh );
			}
		} elseif ( is_resource( $this->result ) ) {
			mysql_free_result( $this->result );
		}
	}

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Changelog
Version Description
0.71 Introduced.


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