Exceptions
PHP Manual

The LogicException class

(PHP 5 >= 5.1.0)

Introduction

Exception that represents error in the program logic. This kind of exceptions should directly lead to a fix in your code.

Class synopsis

LogicException extends Exception {
/* Inherited methods */
final public string Exception::getMessage ( void )
final public Exception Exception::getPrevious ( void )
final public mixed Exception::getCode ( void )
final public string Exception::getFile ( void )
final public int Exception::getLine ( void )
final public array Exception::getTrace ( void )
final public string Exception::getTraceAsString ( void )
public string Exception::__toString ( void )
final private void Exception::__clone ( void )
}
Exceptions
PHP Manual