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25cb9cdb79
Closes GH-8233
This fix corrects a behavior of `var_export()` that was mostly "hidden" until PHP 8.1 introduced:
* properties with object initializers
* constants containing object references
* default values of class properties containing `enum`s
Since `var_export(..., true)` is mostly used in conjunction with code generation,
and we cannot make assumptions about the generated code being placed in the root
namespace, we must always provide the FQCN of a class in exported code.
For example:
```php
<?php
namespace MyNamespace { class Foo {} }
namespace { echo "<?php\n\nnamespace Example;\n\n" . var_export(new \MyNamespace\Foo(), true) . ';'; }
```
produces:
```php
<?php
namespace Example;
MyNamespace\Foo::__set_state(array(
));
```
This code snippet is invalid, because `Example\MyNamespace\Foo::__set_state()` (which
does not exist) is called.
With this patch applied, the code looks like following (valid):
```php
<?php
namespace Example;
\MyNamespace\Foo::__set_state(array(
));
```
Ref: https://github.com/php/php-src/issues/8232
Ref: https://github.com/Ocramius/ProxyManager/issues/754
Ref: https://externals.io/message/117466
28 lines
512 B
PHP
28 lines
512 B
PHP
--TEST--
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Bug #73350 (Exception::__toString() cause circular references)
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--FILE--
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<?php
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$e = new Exception();
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// This line cause problem :(
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// Comment it to see the difference.
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(string) $e;
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// This line show the clue (PHP Warning: ...).
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var_export($e);
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?>
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--EXPECTF--
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\Exception::__set_state(array(
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'message' => '',
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'string' => 'Exception in %sbug73350.php:%d
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Stack trace:
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#0 {main}',
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'code' => 0,
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'file' => '%sbug73350.php',
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'line' => %d,
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'trace' =>
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array (
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),
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'previous' => NULL,
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))
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