异常
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The UnderflowException class

(PHP 5 >= 5.1.0)

简介

Exception thrown when performing an invalid operation on an empty container, such as removing an element.

类摘要

UnderflowException extends RuntimeException {
/* 继承的属性 */
protected string $message ;
protected int $code ;
protected string $file ;
protected int $line ;
/* 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 )
}

异常
PHP 手册