Remove PHP7-only language

vimeo · May 11, 2018 · a01ecb6 · a01ecb6
1 parent 8b55eba
commit a01ecb6
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/Psalm/Type/Union.php b/src/Psalm/Type/Union.php
@@ -708,7 +708,7 @@ public function isSingleStringLiteral()
         if (count($this->types) !== 1) {
             return false;
         }
-        $string_type = $this->types['string'] ?? null;
+        $string_type = isset($this->types['string']) ? $this->types['string'] : null;
         if (!($string_type instanceof TLiteralString)) {
             return false;
         }