Get the given header

Description

Unlike \WpOrg\Requests\Response\Headers::getValues(), this returns a string. If there are multiple values, it concatenates them with a comma as per RFC2616.

Avoid using this where commas may be used unquoted in values, such as Set-Cookie headers.

Parameters

$offsetstringrequired

Name of the header to retrieve.

Return

Source

public function offsetGet($offset) {
	if (is_string($offset)) {
		$offset = strtolower($offset);
	}

	if (!isset($this->data[$offset])) {
		return null;
	}

	return $this->flatten($this->data[$offset]);
}

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