From 17a39240f1e16dd712122a465b00d7c2e6ab60be Mon Sep 17 00:00:00 2001
From: Tim Groeneveld <tim@timg.ws>
Date: Tue, 12 Dec 2017 13:12:43 +1100
Subject: [PATCH] deprecated callbacks in preg_replace. replace
 preg_replace_callback

---
 functions.php | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/functions.php b/functions.php
index 947daaaa..cdd1dc0b 100644
--- a/functions.php
+++ b/functions.php
@@ -299,10 +299,12 @@ function wp_bootstrap_my_widget_tag_cloud_args( $args ) {
 // filter tag clould output so that it can be styled by CSS
 function wp_bootstrap_add_tag_class( $taglinks ) {
     $tags = explode('</a>', $taglinks);
-    $regex = "#(.*tag-link[-])(.*)(' title.*)#e";
+    $regex = "#(.*tag-link[-])(.*)(' title.*)#";
 
     foreach( $tags as $tag ) {
-    	$tagn[] = preg_replace($regex, "('$1$2 label tag-'.get_tag($2)->slug.'$3')", $tag );
+        $tagn[] = preg_replace_callback($regex, function ($matches) {
+            return $matches[1].$matches[2].' label tag-'.get_tag($matches[2])->slug.$matches[3];
+        }, $tag );
     }
 
     $taglinks = implode('</a>', $tagn);