Expose getParamString on UrlEncodedFormContent.

VERSION

@@ -1 +1 @@
-0.2503.192123
+0.2503.200311

src/Http/Content/UrlEncodedFormContent.php

@@ -1,7 +1,7 @@
 <?php
 // UrlEncodedFormContent.php
 // Created: 2025-03-12
-// Updated: 2025-03-15
+// Updated: 2025-03-20
 
 namespace Index\Http\Content;
 
@@ -55,6 +55,18 @@ class UrlEncodedFormContent implements FormContent {
         ++$this->position;
     }
 
+    /**
+     * Retrieves all post fields as a query string.
+     *
+     * @param ?bool $spacesAsPlus null to use the Index url encoder, other wise whether to represent spaces as a + instead of %20 with the legacy encoder.
+     * @return string Query string representation of post fields.
+     */
+    public function getParamString(?bool $spacesAsPlus = null): string {
+        return $spacesAsPlus === null
+            ? HttpUri::buildQueryString($this->params)
+            : http_build_query($this->params, '', '&', $spacesAsPlus ? PHP_QUERY_RFC1738 : PHP_QUERY_RFC3986);
+    }
+
     /**
      * Parses URL encoded form params in a stream.
      *