bug #22307 [Debug] Fix php notice (enumag)

nicolas-grekas · nicolas-grekas · commit d48fae7f8cfd · 2017-04-07T14:20:28.000+02:00
This PR was submitted for the 2.8 branch but it was merged into the 2.7 branch instead (closes #22307). Discussion ---------- [Debug] Fix php notice | Q | A | ------------- | --- | Branch? | 2.8 | Bug fix? | yes | New feature? | no | BC breaks? | no | Deprecations? | no | Tests pass? | yes | Fixed tickets | | License | MIT | Doc PR | Of course autoloading of an empty string should not actually happen (fixed that in twigphp/Twig#2438) but if it does happen it should not throw a php notice. ``` Notice: Uninitialized string offset 0 ``` Commits ------- e333a1a [Debug] Fix php notice
diff --git a/src/Symfony/Component/Debug/DebugClassLoader.php b/src/Symfony/Component/Debug/DebugClassLoader.php
@@ -186,7 +186,7 @@ public function loadClass($class)
 
         $exists = class_exists($class, false) || interface_exists($class, false) || (function_exists('trait_exists') && trait_exists($class, false));
 
-        if ('\\' === $class[0]) {
+        if ($class && '\\' === $class[0]) {
             $class = substr($class, 1);
         }
 

Original file line number	Diff line number	Diff line change
`@@ -186,7 +186,7 @@ public function loadClass($class)`
`186`	`186`
`187`	`187`	`$exists = class_exists($class, false) \|\| interface_exists($class, false) \|\| (function_exists('trait_exists') && trait_exists($class, false));`
`188`	`188`
`189`		`- if ('\\' === $class[0]) {`
	`189`	`+ if ($class && '\\' === $class[0]) {`
`190`	`190`	`$class = substr($class, 1);`
`191`	`191`	`}`
`192`	`192`