PHP Uncaught exception gives more details than caught exception

Question

I build some api endpoint, and trying to work on logging exception, so I purposely remove database and run the endpoint to get PDOException.

My question is, if I did not caught the exception, when I ran the endpoint through postman, it shows me a much more detailed message, stack trace, etc (about 1000 lines),

but if I caught the exception with try catch block something like this

catch (\Exception $exception) {
    print_r($exception->__toString());
    print_r("\n\n");

    die;
}

It is so much less details. Why is that? and is there anyway to print the same exact data that we got when we don't caught the exception?

The $exception object holds a lot more information than is rendered by the magic __toString() method, just take a look at the actual object methods and properties like getTrace() — Mark Baker
– Mark Baker, Commented May 11, 2016 at 18:00
Look into debug_backtrace(). As for the reason why, is that Xdebug is probably enabled, which is a PHP extension that will loop through the results of that function to give you a stack trace. — Nicholas Summers
– Nicholas Summers, Commented May 11, 2016 at 18:00
And you don't need to call __toString() explicitly; the whole point of the magic method is that it's called implicitly (magically) if you try to echo the object — Mark Baker
– Mark Baker, Commented May 11, 2016 at 18:01
@NickJ - no need to use debug_backtrace(); the Exception object already holds the stack trace information — Mark Baker
– Mark Baker, Commented May 11, 2016 at 18:03
@MarkBaker so is there anyway I can do smtg like print_r($exception)? I want the same details as when the exception is not caught so I can log it. — Harts
– Harts, Commented May 11, 2016 at 18:25

luchaninov · Accepted Answer · 2016-05-11 18:30:36Z

4

+50

You have all that data. Exception object has many methods:

try {
    // something throwing exception
} catch (\Exception $e) {
    echo $e->getCode() . "\n";
    echo $e->getFile() . "\n";
    echo $e->getLine() . "\n";
    echo $e->getMessage() . "\n";
    echo $e->getTraceAsString() . "\n";
}

Read more about Exception class:
http://php.net/manual/en/class.exception.php

answered May 11, 2016 at 18:30

luchaninov

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5 Comments

Harts Over a year ago

This still does not give as much details as, if the exception is not caught.

luchaninov Over a year ago

What details are you missing?

luchaninov Over a year ago

is $e->getMessage() also truncated?

Harts Over a year ago

nevermind, I think my updated question is a bit different from my original question

luchaninov Over a year ago

$e->getMessage() seems to be truncated to 32Kb

kfriend · Accepted Answer · 2016-05-23 23:11:23Z

1

You can always throw the exception in the catch block, and let PHP handle. This will let you do something with the exception, then continue the default behavior.

catch (\Exception $exception) {
    // Do something with the exception

    throw $exception;
}

answered May 23, 2016 at 23:11

kfriend

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