Run rawurlencode_deep() through the parsed query in canonical. (Introduces rawurlencode_deep().) props toppa for the initial patch. fixes #20143.

git-svn-id: https://develop.svn.wordpress.org/trunk@20611 602fd350-edb4-49c9-b593-d223f7449a82

wp-includes/formatting.php

@@ -1339,8 +1339,6 @@ function stripslashes_deep($value) {
 /**
  * Navigates through an array and encodes the values to be used in a URL.
  *
- * Uses a callback to pass the value of the array back to the function as a
- * string.
  *
  * @since 2.2.0
  *
@@ -1352,6 +1350,18 @@ function urlencode_deep($value) {
 	return $value;
 }
 
+/**
+ * Navigates through an array and raw encodes the values to be used in a URL.
+ *
+ * @since 3.4.0
+ *
+ * @param array|string $value The array or string to be encoded.
+ * @return array|string $value The encoded array (or string from the callback).
+ */
+function rawurlencode_deep( $value ) {
+	return is_array( $value ) ? array_map( 'rawurlencode_deep', $value ) : rawurlencode( $value );
+}
+
 /**
  * Converts email addresses characters to HTML entities to block spam bots.
  *