Avoid choking on non-string constraints, fixes composer#5807

fabpot · Nov 3, 2016 · f320c67 · f320c67
1 parent e32c09e
commit f320c67
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/src/Composer/Package/Loader/ArrayLoader.php b/src/Composer/Package/Loader/ArrayLoader.php
@@ -232,6 +232,9 @@ public function parseLinks($source, $sourceVersion, $description, $links)
     {
         $res = array();
         foreach ($links as $target => $constraint) {
+            if (!is_string($constraint)) {
+                throw new \UnexpectedValueException('Link constraint in '.$source.' '.$description.' > '.$target.' should be a string, got '.gettype($constraint) . ' (' . var_export($constraint, true) . ')');
+            }
             if ('self.version' === $constraint) {
                 $parsedConstraint = $this->versionParser->parseConstraints($sourceVersion);
             } else {