Hi! I’m Starx

Adam Ramadhan

hello im making a class for doing multiple insert in pdo.

something like this

INSERT INTO $table (key1,key2,key3,etc) VALUE (value1,value2,value3,etc), (value1,value2,value3,etc), (value1,value2,value3,etc)

so after searching i found out that i have to build something like

INSERT INTO $table (key1,key2,key3,etc) VALUE (:key1,:key2,:key3,etc), (:key1,:key2,:key3,etc), (:key1,:key2,:key3,etc)

then execute with this $this->execute($data);
where $data is

 0 => 
    array
      'key1' => 'value1'
      'key2' => 'value2'
      'key3' => 'value3'
 1 => 
    array
      'key1' => 'value1'
      'key2' => 'value2'
      'key3' => 'value3'

 etc

the problem is i still get an error Array to string conversion on $insert->execute($data); how can i fix that?

heres a snippet of what im making.

public function multipleInsert($table, $data = array()) 
{

    # INSERT (name) VALUE (value),(value)
    if (count($data) > 1) 
    {
        $fieldnames = array_keys($data[0]);
        $count_inserts = count(array_values($data));
        $count_values = count(array_values($data[0]));

        # array(????) untill x from first data
        for($i = 0; $i < $count_values; $i++)
        {
            $placeholder[] = '?';
        }

        # array((????),(????),(????)) for query
        for ($i=0; $i < $count_inserts; $i++) 
        { 
            $placeholders[] = '('. implode(',',$placeholder) . ')';
        }

        $query  = 'INSERT INTO '. $table;
        $query .= '(`'. implode('`, `', $fieldnames) .'`)';
        $query .= ' VALUES '. implode(', ', $placeholders);

        $insert = $this->start->prepare($query);

        $i = 1;
        foreach($data as $item) 
        {
            foreach ($item as $key => $value) 
            {
               $insert->bindParam($i++, $item[$key]);
            }
        }

        echo $query;
        $insert->execute();

        $return['status'] = true;
        $return['lastid'] = $this->start->lastInsertId();

        return $return;
    } 
    else 
    {
        die('$data is less then two array, use single insert instead.');
    }
}