Just use the encoded char

joehoyle · joehoyle · commit cc9f7f962efe · 2016-07-16T16:20:44.000+01:00
diff --git a/lib/class-wp-rest-oauth1.php b/lib/class-wp-rest-oauth1.php
@@ -733,7 +733,7 @@ public function join_with_equals_sign( $params, $query_params = array(), $key =
 				$query_params = $this->join_with_equals_sign( $param_value, $query_params, $param_key );
 			} else {
 				if ( $key ) {
-					$param_key = $key . self::urlencode_rfc3986( '[' ) . $param_key . self::urlencode_rfc3986( ']' ); // Handle multi-dimensional array
+					$param_key = $key . '%5B' . $param_key . '%5D'; // Handle multi-dimensional array
 				}
 				$string = $param_key . '=' . $param_value; // join with equals sign
 				$query_params[] = self::urlencode_rfc3986($string );

Original file line number	Diff line number	Diff line change
`@@ -733,7 +733,7 @@ public function join_with_equals_sign( $params, $query_params = array(), $key =`
`733`	`733`	`$query_params = $this->join_with_equals_sign( $param_value, $query_params, $param_key );`
`734`	`734`	`} else {`
`735`	`735`	`if ( $key ) {`
`736`		`- $param_key = $key . self::urlencode_rfc3986( '[' ) . $param_key . self::urlencode_rfc3986( ']' ); // Handle multi-dimensional array`
	`736`	`+ $param_key = $key . '%5B' . $param_key . '%5D'; // Handle multi-dimensional array`
`737`	`737`	`}`
`738`	`738`	`$string = $param_key . '=' . $param_value; // join with equals sign`
`739`	`739`	`$query_params[] = self::urlencode_rfc3986($string );`