E_USER_DEPRECATED

E_USER_DEPRECATED is one of the accepted parameters for:

• error_reporting parameter #1 (optionally as a bitmask)
• trigger_error parameter #2
• user_error parameter #2

E_USER_DEPRECATED is one of the return values for error_reporting.

E_USER_DEPRECATED — User-generated deprecation message. This is like an E_DEPRECATED, except it is generated in PHP code by using the PHP function trigger_error.

E_USER_DEPRECATED = 16384;