Exception handling-PHP manual notes

: This article mainly introduces exception handling-PHP manual notes. if you are interested in PHP tutorials, refer to them. Exceptions in PHP code can be throwThe statement is thrown and catchStatement capture. All codes that require exception handling must be placed in tryWithin the code block, each tryAt least one corresponding catch. When an exception is thrown, the code behind the code block will not continue to be executed. in this case, PHP will try to find the first matching code. catch. Of course, PHP allows catchThrown again in the code block throwException. If an exception is not caught and is not used set_exception_handler()PHP will produce a serious error.

Here is an example of abnormal use.

  ';    echo inverse(0) . '
';} catch(Exception $e) {    echo 'Caught exception: ' . $e->getMessage() . '
';}echo 'hello';

There is also an example of exception nesting.

  getMessage());        }    }}$foo = new Test;$foo->testing();

You can use a custom exception handling class to extend the PHP built-in exception handling class.

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