(PECL OAuth >= 0.99.1)
OAuth::setAuthType — Set authorization type
public OAuth::setAuthType ( int $auth_type ) : bool
Set where the OAuth parameters should be passed.
auth_type
 auth_type can be one of the following flags (in order of decreasing preference as per OAuth 1.0 section 5.2): 
OAUTH_AUTH_TYPE_AUTHORIZATION
Authorization header.  OAUTH_AUTH_TYPE_FORM
OAUTH_AUTH_TYPE_URI
OAUTH_AUTH_TYPE_NONE
 Returns true if a parameter is correctly set, otherwise false (e.g., if an invalid auth_type is passed in.) 
| Version | Description | 
|---|---|
| PECL oauth 1.0.0 |  Previously returned null on failure, instead of false.  |  
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    https://www.php.net/manual/en/oauth.setauthtype.php