src/PdoDataSource.php
public function setFilePath($filePath = null) {
		$this->filePath = $filePath !== null ? (string) $filePath : null;

		return $this;
	}
public function setFilePath($filePath = null) {
		$this->filePath = $filePath !== null ? (string) $filePath : null;

		return $this;
	}
Sets the file path

@param string|null $filePath the path to the file where the database can be accessed on disk, e.g. `/opt/databases/mydb.ext`
@return static this instance for chaining