From 3278f6e799bad1a7bc189c62a6539aa255ddb32b Mon Sep 17 00:00:00 2001
From: danpros <dan@danpros.com>
Date: Mon, 27 Nov 2023 16:10:50 +0700
Subject: [PATCH] PHP 5.3 backward compatibility

---
 system/admin/admin.php        | 12 ++++++++++--
 system/includes/functions.php | 10 ++++++++--
 2 files changed, 18 insertions(+), 4 deletions(-)

diff --git a/system/admin/admin.php b/system/admin/admin.php
index 15929fd..4effd81 100644
--- a/system/admin/admin.php
+++ b/system/admin/admin.php
@@ -120,7 +120,11 @@ function add_content($title, $tag, $url, $content, $user, $draft, $category, $ty
 
     $post_date = date('Y-m-d-H-i-s');
     $post_title = safe_html($title);
-    $post_media = preg_replace('/\s\s+/', ' ', strip_tags($media ?? ''));
+    if (defined('PHP_MAJOR_VERSION') && PHP_MAJOR_VERSION < 7) {
+        $post_media = preg_replace('/\s\s+/', ' ', strip_tags($media));  
+    } else {
+        $post_media = preg_replace('/\s\s+/', ' ', strip_tags($media ?? ''));    	
+    }
     $post_tag = strtolower(preg_replace(array('/[^a-zA-Z0-9,. \-\p{L}]/u', '/[ -]+/', '/^-|-$/'), array('', '-', ''), remove_accent($post_tag)));
     $post_url = strtolower(preg_replace(array('/[^a-zA-Z0-9 \-\p{L}]/u', '/[ -]+/', '/^-|-$/'), array('', '-', ''), remove_accent($url)));
     $description = safe_html($description);
@@ -260,7 +264,11 @@ function edit_content($title, $tag, $url, $content, $oldfile, $revertPost, $publ
     }
 
     $post_title = safe_html($title);
-    $post_media = preg_replace('/\s\s+/', ' ', strip_tags($media ?? ''));
+    if (defined('PHP_MAJOR_VERSION') && PHP_MAJOR_VERSION < 7) {
+        $post_media = preg_replace('/\s\s+/', ' ', strip_tags($media));  
+    } else {
+        $post_media = preg_replace('/\s\s+/', ' ', strip_tags($media ?? ''));    	
+    }
     $post_tag = strtolower(preg_replace(array('/[^a-zA-Z0-9,. \-\p{L}]/u', '/[ -]+/', '/^-|-$/'), array('', '-', ''), remove_accent($post_tag)));
     $post_url = strtolower(preg_replace(array('/[^a-zA-Z0-9 \-\p{L}]/u', '/[ -]+/', '/^-|-$/'), array('', '-', ''), remove_accent($url)));
     $description = safe_html($description);
diff --git a/system/includes/functions.php b/system/includes/functions.php
index e60f981..a48e44e 100644
--- a/system/includes/functions.php
+++ b/system/includes/functions.php
@@ -570,8 +570,14 @@ function get_category_info($category)
         }
     }
 
-    if (strtolower($category ?? '') == 'uncategorized') {
-        return default_category();
+    if (defined('PHP_MAJOR_VERSION') && PHP_MAJOR_VERSION < 7) {
+        if (strtolower($category) == 'uncategorized') {
+            return default_category();
+        }   
+    } else {
+        if (strtolower($category ?? '') == 'uncategorized') {
+            return default_category();
+        }
     }
 
     return $tmp;