Exceptions
PHP Manual

The UnexpectedValueException class

简介

Exception thrown if a value does not match with a set of values. Typically this happens when a function calls another function and espects the return value to be of a certain type or value not including arithmetic or buffer related errors.

类摘要

UnexpectedValueException extends RuntimeException {
/* 继承的方法 */
final public string Exception::getMessage ( void )
final public Exception Exception::getPrevious ( void )
final public int 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