From 482eea4ffd2c9592ef351c72b7885471ddb66a4d Mon Sep 17 00:00:00 2001
From: Wilfried <w.jousselin@empreintedigitale.fr>
Date: Fri, 15 Nov 2019 14:20:24 +0100
Subject: [PATCH] fix: Escape pattern before use it in preg_replace

If pattern contain special char (see PRCE), this can throw warning on
preg_replace.
---
 lib/Simples/Document.php | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/lib/Simples/Document.php b/lib/Simples/Document.php
index 345447d..5c08829 100755
--- a/lib/Simples/Document.php
+++ b/lib/Simples/Document.php
@@ -144,7 +144,8 @@ protected function _export(array $data, array $options) {
 	 */
 	protected function _options($key, array & $options) {
 		foreach($options['cast'] as $path => $_value) {
-			$_path = preg_replace('/^' . $key . '\./', '', $path) ;
+			$pattern = '/^' . preg_quote($key) . '\./';
+			$_path = preg_replace($pattern, '', $path) ;
 			if ($_path !== $path) {
 				$options['cast'][$_path] = $_value ;
 				unset($options['cast'][$path]) ;