8000 Improved an error message related to controllers by javiereguiluz · Pull Request #27499 · symfony/symfony · GitHub
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Improved an error message related to controllers #27499

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Merged
merged 1 commit into from
Jun 27, 2018
Merged

Improved an error message related to controllers #27499

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Improved an error message related to controllers
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@javiereguiluz @fabpot
javiereguiluz authored and fabpot committed Jun 27, 2018
commit 7510c3a335db795b7cbf185989bab4bbc629ec22
22 changes: 15 additions & 7 deletions src/Symfony/Component/HttpKernel/HttpKernel.php
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Original file line number Diff line number Diff line change
Expand Up @@ -157,7 +157,7 @@ private function handleRaw(Request $request, int $type = self::MASTER_REQUEST)
if ($event->hasResponse()) {
$response = $event->getResponse();
} else {
$msg = sprintf('The controller must return a response (%s given).', $this->varToString($response));
$msg = sprintf('The controller must return a "Symfony\Component\HttpFoundation\Response" object but it returned %s.', $this->varToString($response));

// the user may have forgotten to return something
if (null === $response) {
Expand Down Expand Up @@ -253,32 +253,40 @@ private function handleException(\Exception $e, Request $request, int $type): Re
private function varToString($var): string
{
if (is_object($var)) {
return sprintf('Object(%s)', get_class($var));
return sprintf('an object of type %s', get_class($var));
}

if (is_array($var)) {
$a = array();
foreach ($var as $k => $v) {
$a[] = sprintf('%s => %s', $k, $this->varToString($v));
$a[] = sprintf('%s => ...', $k);
}

return sprintf('Array(%s)', implode(', ', $a));
return sprintf('an array ([%s])', mb_substr(implode(', ', $a), 0, 255));
}

if (is_resource($var)) {
return sprintf('Resource(%s)', get_resource_type($var));
return sprintf('a resource (%s)', get_resource_type($var));
}

if (null === $var) {
return 'null';
}

if (false === $var) {
return 'false';
return 'a boolean value (false)';
}

if (true === $var) {
return 'true';
return 'a boolean value (true)';
}

if (is_string($var)) {
return sprintf('a string ("%s%s")', mb_substr($var, 0, 255), mb_strlen($var) > 255 ? '...' : '');
}

if (is_numeric($var)) {
return sprintf('a number (%s)', (string) $var);
}

return (string) $var;
Expand Down
0