message

[mdref/mdref-http] / http / Message / toCallback.md

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+# http\Message http\Message::toCallback(callable $callback[, int $offset = 0[, int $maxlen = 0]])
+
+Stream the message through a callback.
+
+## Params:
+
+* callable $callback  
+  The callback of the form function(http\Message $from, string $data).
+* Optional int $offset = 0  
+  Start to stream from this offset.
+* Optional int $maxlen = 0  
+  Stream at most $maxlen bytes, or all if $maxlen is less than 1.
+
+## Returns:
+
+* http\Message, self.