function MessageInterface::hasHeader

Checks if a header exists by the given case-insensitive name.

Parameters

string $name Case-insensitive header field name.:

Return value

bool Returns true if any header names match the given header name using a case-insensitive string comparison. Returns false if no matching header name is found in the message.

File

vendor/psr/http-message/src/MessageInterface.php, line 78

Class

MessageInterface

HTTP messages consist of requests from a client to a server and responses from a server to a client. This interface defines the methods common to each.

Namespace

Psr\Http\Message

Code

public function hasHeader(string $name) : bool;