src/Type/Single.php
public function read(BinaryReader &$br, $length = null)
    {
        if (!$br->canReadBytes(4)) {
            throw new \OutOfBoundsException('Cannot read 4-bytes floating-point, it exceeds the boundary of the file');
        }

        $segment = $br->readFromHandle(4);

        if ($br->getCurrentBit() !== 0) {
            $data = unpack('N', $segment)[1];
            $data = $this->bitReader($br, $data);

            $endian = $br->getMachineByteOrder() === $br->getEndian() ? 'N' : 'V';
            $segment = pack($endian, $data);
        } elseif ($br->getMachineByteOrder() !== $br->getEndian()) {
            $segment = pack('N', unpack('V', $segment)[1]);
        }

        $value = unpack('f', $segment)[1];

        return $value;
    }
public function read(BinaryReader &$br, $length = null)
    {
        if (!$br->canReadBytes(4)) {
            throw new \OutOfBoundsException('Cannot read 4-bytes floating-point, it exceeds the boundary of the file');
        }

        $segment = $br->readFromHandle(4);

        if ($br->getCurrentBit() !== 0) {
            $data = unpack('N', $segment)[1];
            $data = $this->bitReader($br, $data);

            $endian = $br->getMachineByteOrder() === $br->getEndian() ? 'N' : 'V';
            $segment = pack($endian, $data);
        } elseif ($br->getMachineByteOrder() !== $br->getEndian()) {
            $segment = pack('N', unpack('V', $segment)[1]);
        }

        $value = unpack('f', $segment)[1];

        return $value;
    }
Returns a 4-bytes floating-point

@param \PhpBinaryReader\BinaryReader $br
@param null $length

@return float
@throws \OutOfBoundsException