Passing null to parameter #1 ($string) is deprecated in htmlspecialch…

…ars() function. Deprecated: htmlspecialchars(): Passing null to parameter #1 ($string) of type string is deprecated.
slimphp · Aug 18, 2024 · 1c95811 · 1c95811
1 parent ef18216
commit 1c95811
Showing 1 changed file with 5 additions and 1 deletion.
diff --git a/README.md b/README.md
@@ -183,8 +183,12 @@ The following function uses the `htmlspecialchars` function
 with specific flags to ensure proper encoding:
 
 ```php
-function html(string $text = null): string
+function html(?string $text = null): string
 {
+    if (null === $text) {
+        return '';
+    }
+
     return htmlspecialchars($text, ENT_QUOTES | ENT_SUBSTITUTE, 'UTF-8');
 }
 ```