function MessageTrait::normalizeHeaderValue

Parameters

mixed $value:

Return value

string[]

3 calls to MessageTrait::normalizeHeaderValue()

MessageTrait::setHeaders in vendor/guzzlehttp/psr7/src/MessageTrait.php

MessageTrait::withAddedHeader in vendor/guzzlehttp/psr7/src/MessageTrait.php

MessageTrait::withHeader in vendor/guzzlehttp/psr7/src/MessageTrait.php

File

vendor/guzzlehttp/psr7/src/MessageTrait.php, line 171

Class

MessageTrait

Trait implementing functionality common to requests and responses.

Namespace

GuzzleHttp\Psr7

Code

private function normalizeHeaderValue($value) : array {
    if (!is_array($value)) {
        return $this->trimAndValidateHeaderValues([
            $value,
        ]);
    }
    if (count($value) === 0) {
        throw new \InvalidArgumentException('Header value can not be an empty array.');
    }
    return $this->trimAndValidateHeaderValues($value);
}