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Requests_Response_Headers::flatten( string|array $value )

Flattens a value into a string

Description

Converts an array into a string by imploding values with a comma, as per RFC2616’s rules for folding headers.

Parameters

$value

(string|array) (Required) Value to flatten

Return

(string) Flattened value

Source

File: wp-includes/Requests/Response/Headers.php

public function flatten($value) {
		if (is_array($value)) {
			$value = implode(',', $value);
		}

		return $value;
	}

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Licensed under the GNU GPLv2+ License.
https://developer.wordpress.org/reference/classes/requests_response_headers/flatten