Handle huge payloads with multiple fragments.

[todo]

websocket/src/WebSocket.php

Lines 315 to 320 in 21e6131

	/// @todo Handle huge payloads with multiple fragments.
	$final = ord($data[0]) & self::FINAL_BIT;
	// Should be zero
	$rsv = ord($data[0]) & ~self::FIRST_BYTE_MASK;

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This issue was generated by todo based on a @todo comment in 21e6131. It's been assigned to @overtrue because they committed the code.