/**
* @param $index
* @return int
*/
public function getInt($index)
{
$result = $this->readLittleEndian($index, 4);
$sign = $index + (ByteBuffer::isLittleEndian() ? 3 : 0);
$issigned = isset($this->_buffer[$sign]) && ord($this->_buffer[$sign]) & 0x80;
// 4294967296 = 1 << 32 = Maximum unsigned 32-bit int
return $issigned ? $result - 4294967296 : $result;
}
/**
* @param $index
* @return int
*/
public function getInt($index)
{
$result = $this->readLittleEndian($index, 4);
$sign = $index + (ByteBuffer::isLittleEndian() ? 3 : 0);
$issigned = isset($this->_buffer[$sign]) && ord($this->_buffer[$sign]) & 0x80;
if (PHP_INT_SIZE > 4) {
// 4294967296 = 1 << 32 = Maximum unsigned 32-bit int
return $issigned ? $result - self::UINT + 1 : $result;
} else {
// 32bit / Windows treated number as signed integer.
return $result;
}
}
/**
* read little endian value from the buffer
*
* @param $offset
* @param $count acutal size
* @return int
*/
public function readLittleEndian($offset, $count, $force_bigendian = false)
{
$this->assertOffsetAndLength($offset, $count);
$r = 0;
if (ByteBuffer::isLittleEndian() && $force_bigendian == false) {
for ($i = 0; $i < $count; $i++) {
$r |= ord($this->_buffer[$offset + $i]) << $i * 8;
}
} else {
for ($i = 0; $i < $count; $i++) {
$r |= ord($this->_buffer[$offset + $count - 1 - $i]) << $i * 8;
}
}
return $r;
}
