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PHP exception handling function execution sequence is: exception object constructor set_exception_handler() calls shutdown function exit() calls
Function execution in PHP exception handling Sequence
In PHP, when an exception occurs, PHP will execute the following functions in the following order:
Practical case:
<?php try { throw new Exception('My Exception'); } catch (Exception $e) { echo 'Caught exception: ' . $e->getMessage() . PHP_EOL; } finally { echo 'Finally block executed' . PHP_EOL; }
Execution sequence:
Exception
Constructor. set_exception_handler()
handler, skip this step because it is not set here. Output:
Caught exception: My Exception Finally block executed
It is worth noting that even if the exception is thrown in the finally
block, it will not be caught .
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