(PECL svn >= 0.1.0)
svn_auth_get_parameter — Retrieves authentication parameter
svn_auth_get_parameter ( string $key ) : string
 Retrieves authentication parameter at key. For a list of valid keys and their meanings, consult the authentication constants list. 
key
String key name. Use the authentication constants defined by this extension to specify a key.
 Returns the string value of the parameter at key; returns null if parameter does not exist. 
This function is EXPERIMENTAL. The behaviour of this function, its name, and surrounding documentation may change without notice in a future release of PHP. This function should be used at your own risk.
    © 1997–2020 The PHP Documentation Group
Licensed under the Creative Commons Attribution License v3.0 or later.
    https://www.php.net/manual/en/function.svn-auth-get-parameter.php