How to prevent SQLITE SQLSTATE[HY000] [14]?

Question

I receive sometimes the following error:

SQLSTATE[HY000] [14] unable to open database file

I open the datebase by using

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Answer 1

This is an error from SQLlite :

#define SQLITE_CANTOPEN 14 /* Unable to open the database file */

It seems like you have opened to many connections, I suggest you to reuse the connection if it is open.

Create a property:

private $pdo;

And check if it's null before creating a new object:

function opendatabase(){
    try{
        if($this->pdo==null){
          $this->pdo =new PDO("sqlite:database/database.db","","",array(
                PDO::ATTR_PERSISTENT => true
            ));
        }
        return $this->pdo;
    }catch(PDOException $e){
        logerror($e->getMessage(), "opendatabase");
        print "Error in openhrsedb ".$e->getMessage();
    }
}