2.4. Exception

		
$ cat exception1.php
<?php

function test1(){
	throw new Exception("Test1 exception!");
}

try {
	test1();
}
catch(Exception $e){
	die( $e->__toString() );
}


$ php exception1.php
exception 'Exception' with message 'Test1 exception!' in /home/neo/workspace/example/PHP/exception.php:4
Stack trace:
#0 /home/neo/workspace/example/PHP/exception.php(8): test1()
#1 {main}
		
		

		
$ cat exception2.php
<?php

class MyException extends Exception {}
function test2(){
	throw new MyException('Test2 exception');
}
try {
	test2();
}
catch(Exception $e){
	die( $e->__toString() );
}


$ php exception2.php
exception 'MyException' with message 'Test2 exception' in /home/neo/workspace/example/PHP/exception2.php:5
Stack trace:
#0 /home/neo/workspace/example/PHP/exception2.php(8): test2()
#1 {main}
		
		

		
$ cat exception.php
<?php
class FileException extends Exception {}
class DataException extends Exception {}

function test1(){
	throw new FileException("Test1 exception!");
}

function test2(){
	throw new DataException('Test2 exception');
}
function test3(){
	throw new Exception('Test3 exception');
}

try {
	test1();
	test2();
	test3();
}
catch(FileException $e){
    print( $e->__toString() );
}
catch(DataException $e){
    print( $e->__toString() );
}
catch(Exception $e){
	print( $e->__toString() );
}
		
		

原文出处：Netkiller 系列 手札
本文作者：陈景峯
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