Header.php

Header constructor. name is mandatory, if a value is provided, it will be set.

Returns the name of the header, in the same case it was set.

Gets the raw value of the header. This may return either a string or an array, depending on whether the header has multiple values or not.

Sets the name of the header, overwriting any previous value.

Sets the value of the header, overwriting any previous value(s).

Appends a value to the list of values for this header. If the header is a single value string, it will be converted to an array.

Prepends a value to the list of values for this header. If the header is a single value string, it will be converted to an array.

Retrieves a comma-separated string of the values for a single header. NOTE: Not all header values may be appropriately represented using comma concatenation. For such headers, use getHeader() instead and supply your own delimiter when concatenating.

Returns a representation of the entire header string, including the header name and all values converted to the proper format.

Validate header name. Regex is based on code from a guzzlehttp/psr7 library.

Validate header value. Regex is based on code from a guzzlehttp/psr7 library.