Rewind is_first_key_operator() param before checking key

jmikola · jmikola · commit 98acd14754e0 · 2016-06-20T17:04:20.000-04:00
diff --git a/src/functions.php b/src/functions.php
@@ -77,9 +77,10 @@ function is_first_key_operator($document)
         throw InvalidArgumentException::invalidType('$document', $document, 'array or object');
     }
 
+    reset($document);
     $firstKey = (string) key($document);
 
-    return (isset($firstKey[0]) && $firstKey[0] == '$');
+    return (isset($firstKey[0]) && $firstKey[0] === '$');
 }
 
 /**

Original file line number	Diff line number	Diff line change
`@@ -77,9 +77,10 @@ function is_first_key_operator($document)`
`77`	`77`	`throw InvalidArgumentException::invalidType('$document', $document, 'array or object');`
`78`	`78`	`}`
`79`	`79`
	`80`	`+ reset($document);`
`80`	`81`	`$firstKey = (string) key($document);`
`81`	`82`
`82`		`- return (isset($firstKey[0]) && $firstKey[0] == '$');`
	`83`	`+ return (isset($firstKey[0]) && $firstKey[0] === '$');`
`83`	`84`	`}`
`84`	`85`
`85`	`86`	`/**`