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Fix issue with modified backtrace

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php allows the backtrace arguments to be modified via the
backtrace. By using array_map we make sure that we do not overwrite
references.
This commit is contained in:
Jaapio
2020-08-12 18:07:00 +02:00
parent f0af3b7263
commit 6ff90eb7bd
3 changed files with 110 additions and 20 deletions
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src/DocBlock/Tags/InvalidTag.php
+31 -20
View File
@@ -8,12 +8,13 @@ use Closure;
use Exception;
use phpDocumentor\Reflection\DocBlock\Tag;
use ReflectionClass;
use ReflectionException;
use ReflectionFunction;
use Throwable;
use function array_map;
use function array_walk_recursive;
use function get_class;
use function get_resource_type;
use function is_array;
use function is_object;
use function is_resource;
use function sprintf;
@@ -80,29 +81,12 @@ final class InvalidTag implements Tag
$traceProperty = (new ReflectionClass(Exception::class))->getProperty('trace');
$traceProperty->setAccessible(true);
$flatten =
/** @param mixed $value */
static function (&$value) : void {
if ($value instanceof Closure) {
$closureReflection = new ReflectionFunction($value);
$value = sprintf(
'(Closure at %s:%s)',
$closureReflection->getFileName(),
$closureReflection->getStartLine()
);
} elseif (is_object($value)) {
$value = sprintf('object(%s)', get_class($value));
} elseif (is_resource($value)) {
$value = sprintf('resource(%s)', get_resource_type($value));
}
};
do {
$trace = $exception->getTrace();
if (isset($trace[0]['args'])) {
$trace = array_map(
static function (array $call) use ($flatten) : array {
array_walk_recursive($call['args'], $flatten);
function (array $call) : array {
$call['args'] = array_map([$this, 'flattenArguments'], $call['args']);
return $call;
},
@@ -117,6 +101,33 @@ final class InvalidTag implements Tag
$traceProperty->setAccessible(false);
}
/**
* @param mixed $value
*
* @return mixed
*
* @throws ReflectionException
*/
private function flattenArguments($value)
{
if ($value instanceof Closure) {
$closureReflection = new ReflectionFunction($value);
$value = sprintf(
'(Closure at %s:%s)',
$closureReflection->getFileName(),
$closureReflection->getStartLine()
);
} elseif (is_object($value)) {
$value = sprintf('object(%s)', get_class($value));
} elseif (is_resource($value)) {
$value = sprintf('resource(%s)', get_resource_type($value));
} elseif (is_array($value)) {
$value = array_map([$this, 'flattenArguments'], $value);
}
return $value;
}
public function render(?Formatter $formatter = null) : string
{
if ($formatter === null) {