/**
* @param ByteBuffer $bb
* @param string $ident
* @return bool
* @throws \ArgumentException
*/
protected static function __has_identifier($bb, $ident)
{
if (strlen($ident) != self::FILE_IDENTIFIER_LENGTH) {
throw new \ArgumentException("FlatBuffers: file identifier must be length " . self::FILE_IDENTIFIER_LENGTH);
}
for ($i = 0; $i < 4; $i++) {
if ($ident[$i] != $bb->get($bb->getPosition() + self::SIZEOF_INT + $i)) {
return false;
}
}
return true;
}