Added Utils::arrayToQueryParams() to convert an array into query params

CHANGELOG.md

@@ -1,6 +1,8 @@
 # v1.7.7
 ## mm/dd/2021
 
+1. [](#new)
+   * Added `Utils::arrayToQueryParams()` to convert an array into query params
 1. [](#improved)
     * Added original image support for all flex objects and media fields
 1. [](#bugfix)

system/src/Grav/Common/Utils.php

@@ -1086,6 +1086,29 @@ abstract class Utils
         return $result;
     }
 
+    /**
+     * Flatten a multi-dimensional associative array into query params.
+     *
+     * @param  array   $array
+     * @param  string  $prepend
+     * @return array
+     */
+    public static function arrayToQueryParams($array, $prepend = '')
+    {
+        $results = [];
+        foreach ($array as $key => $value) {
+            $name = $prepend ? $prepend  . '[' . $key . ']' : $key;
+
+            if (is_array($value)) {
+                $results = array_merge($results, static::arrayToQueryParams($value, $name));
+            } else {
+                $results[$name] = $value;
+            }
+        }
+
+        return $results;
+    }
+
     /**
      * Flatten an array
      *