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HTTP Content-Length field


A ContentLengthField object is an HTTP header field in a request or a response message that specifies the length of the payload in bytes.

MATLAB® requires all outbound messages with a payload to contain a Content-Length field. If a message contains a nonempty body, MATLAB creates a Content-Length field based on the length of the data. For more information, see RFC 7231, section 3.3.2. Content-Length.

Response messages might or might not contain this field.


obj = creates a Content-Length header field with the Value property set to value.


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Header field name, specified as 'Content-Length'.

Length of payload in bytes, specified as a nonnegative integer or a string that evaluates to a nonnegative integer.



Return Value of ContentLengthField as integer of type double

Introduced in R2016b

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