bug #17052 [2.7] Fixed flatten exception recursion with errors (GrahamCampbell)
This PR was submitted for the 2.7 branch but it was merged into the 2.3 branch instead (closes #17052).
Discussion
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[2.7] Fixed flatten exception recursion with errors
| Q | A
| ------------- | ---
| Bug fix? | yes
| New feature? | no
| BC breaks? | no
| Deprecations? | no
| Tests pass? | yes
| Fixed tickets | N/A
| License | MIT
| Doc PR | N/A
Consider the following code:
```php
$error = new ParseError();
$exception = new RuntimeException($error->getMessage(), $error->getCode(), $error);
$flat = new Symfony\Component\Debug\Exception\FlattenException($exception);
```
Without this fix, that code is broken.
You'll end up with something like this:
```
FatalThrowableError in FlattenException.php line 76:
Type error: Argument 1 passed to Symfony\Component\Debug\Exception\FlattenException::create() must be an instance of Exception, instance of ParseError given
```
---
I came across this error issue in https://github.com/laravel/framework/issues/11329.
Commits
-------
2b0721d
[2.7] Fixed flatten exception recursion with errors
This commit is contained in:
commit
af3f4eaa2b
@ -94,8 +94,13 @@ class FlattenException extends LegacyFlattenException
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$e->setClass(get_class($exception));
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$e->setFile($exception->getFile());
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$e->setLine($exception->getLine());
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if ($exception->getPrevious()) {
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$e->setPrevious(static::create($exception->getPrevious()));
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$previous = $exception->getPrevious();
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if ($previous instanceof \Exception) {
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$e->setPrevious(static::create($previous));
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} elseif ($previous instanceof \Throwable) {
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$e->setPrevious(static::create(new FatalThrowableError($previous)));
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}
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return $e;
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@ -131,6 +131,20 @@ class FlattenExceptionTest extends \PHPUnit_Framework_TestCase
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$this->assertSame(array($flattened2), $flattened->getAllPrevious());
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}
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/**
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* @requires PHP 7.0
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*/
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public function testPreviousError()
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{
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$exception = new \Exception('test', 123, new \ParseError('Oh noes!', 42));
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$flattened = FlattenException::create($exception)->getPrevious();
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$this->assertEquals($flattened->getMessage(), 'Parse error: Oh noes!', 'The message is copied from the original exception.');
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$this->assertEquals($flattened->getCode(), 42, 'The code is copied from the original exception.');
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$this->assertEquals($flattened->getClass(), 'Symfony\Component\Debug\Exception\FatalThrowableError', 'The class is set to the class of the original exception');
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}
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/**
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* @dataProvider flattenDataProvider
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*/
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