(PHP 5 >= 5.3.0, PHP 7)
Exception::getPrevious — 锟斤拷锟斤拷锟届常锟斤拷锟叫碉拷前一锟斤拷锟届常
锟斤拷锟斤拷锟届常锟斤拷锟叫碉拷前一锟斤拷锟届常锟斤拷Exception::__construct()锟斤拷锟斤拷锟侥碉拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷锟斤拷
锟剿猴拷锟斤拷没锟叫诧拷锟斤拷锟斤拷
锟斤拷锟斤拷锟届常锟斤拷锟叫碉拷前一锟斤拷锟届常 Throwable锟斤拷锟斤拷锟津返伙拷NULL锟斤拷
| 锟芥本 | 说锟斤拷 |
|---|---|
| 7.0.0 | 锟斤拷锟斤拷锟斤拷锟酵的讹拷锟斤拷某锟斤拷锟� Throwable锟斤拷 |
Example #1 Exception::getPrevious()示锟斤拷
追锟斤拷锟届常锟斤拷锟斤拷循锟斤拷锟斤拷印锟斤拷
<?php
class MyCustomException extends Exception {}
function doStuff() {
try {
throw new InvalidArgumentException("You are doing it wrong!", 112);
} catch(Exception $e) {
throw new MyCustomException("Something happend", 911, $e);
}
}
try {
doStuff();
} catch(Exception $e) {
do {
printf("%s:%d %s (%d) [%s]\n", $e->getFile(), $e->getLine(), $e->getMessage(), $e->getCode(), get_class($e));
} while($e = $e->getPrevious());
}
?>
锟斤拷锟斤拷锟斤拷锟教碉拷锟斤拷锟斤拷锟斤拷锟斤拷冢锟�
/home/bjori/ex.php:8 Something happend (911) [MyCustomException] /home/bjori/ex.php:6 You are doing it wrong! (112) [InvalidArgumentException]