Update password_verify() to include the reason it doesn't need the algorithm or salt.

git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@330568 c90b9560-bf6c-de11-be94-00142212c4b1
Promote ::class documentation to its own subsection for direct linking.


git-svn-id: https://svn.php.net/repository/phpdoc/en/trunk@330569 c90b9560-bf6c-de11-be94-00142212c4b1