The OverflowException class

(PHP 5 >= 5.1.0, PHP 7)

简介

Exception thrown when adding an element to a full container.

类摘要

OverflowException 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 Throwable 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 )
}

User Contributed Notes

evguenia dot chagnon at gmail dot com 26-Jan-2017 10:23
postgres=# create temporary table test (demo numeric(3,2));

function sumThenInsertDemo($a, $b){
    $sum = $a + $b;

    if ($sum >= 10){
        throw new OverflowException('$a + $b will overflow storage');
    }
   
    $link = pg_connect(...);
    pg_query($link, 'insert into test values('.$sum.')');
}