Allow objects with __toString in IDType

enumag · web-flow · commit 25e341e9d930 · 2017-12-12T08:56:03.000+01:00
diff --git a/src/Type/Definition/IDType.php b/src/Type/Definition/IDType.php
@@ -43,7 +43,7 @@ public function serialize($value)
         if ($value === null) {
             return 'null';
         }
-        if (!is_scalar($value)) {
+        if (!is_scalar($value) && (!is_object($value) || !method_exists($value, '__toString'))) {
             throw new InvariantViolation("ID type cannot represent non scalar value: " . Utils::printSafe($value));
         }
         return (string) $value;

Original file line number	Diff line number	Diff line change
`@@ -43,7 +43,7 @@ public function serialize($value)`
`43`	`43`	`if ($value === null) {`
`44`	`44`	`return 'null';`
`45`	`45`	`}`
`46`		`- if (!is_scalar($value)) {`
	`46`	`+ if (!is_scalar($value) && (!is_object($value) \|\| !method_exists($value, '__toString'))) {`
`47`	`47`	`throw new InvariantViolation("ID type cannot represent non scalar value: " . Utils::printSafe($value));`
`48`	`48`	`}`
`49`	`49`	`return (string) $value;`