The WebAbility® Network Developers - Documentation
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Errors (Throwables)
DomCore comes with a set of classes to throw errors with the PHP5 try-throw-catch system.

First, DomCore defines a basic class to throw events (throwables).
From that class, 2 others are extended to throw errors and exceptions.

The error defines an event that should not be captured by the programmer, the system will manage it because it is a critical error.

In another hand the exceptions are events that should be catch by the programmer and managed them locally.

The \core\WAThrowable becomes a trait in PHP 7+ and is a basic class to extend into PHP 5.3-

Actually, the DomCore throwables event are: