(mongodb >=1.3.0)
MongoDB\BSON\BinaryInterface::__toString โ Returns the BinaryInterface's data
ใใฎใกใฝใใใฏๆฌกใฎใกใฝใใใฎใจใคใชใขในใงใใ MongoDB\BSON\BinaryInterface::getData().
ใใฎ้ขๆฐใซใฏใใฉใกใผใฟใฏใใใพใใใ
Returns the BinaryInterface's data.