Josh's Changes

includes/utils.php

@@ -33,3 +33,29 @@ function familyHubWebApiBase(): string {
     }
     return $sd . '/api';
 }
+
+/**
+ * Bitmask for json_encode so pasted recipe text (or any user string) with malformed UTF-8
+ * does not make json_encode return false. Without substitution, failed embeds emit an empty
+ * <script type="application/json"> and the meals UI hits JSON.parse errors.
+ *
+ * @return int
+ */
+function familyHubJsonEncodeShellFlags(): int {
+    $f = JSON_UNESCAPED_UNICODE;
+    if (defined('JSON_INVALID_UTF8_SUBSTITUTE')) {
+        $f |= JSON_INVALID_UTF8_SUBSTITUTE;
+    }
+    return $f;
+}
+
+/**
+ * Lowercase for comparisons and keys. Uses mbstring when available; otherwise ASCII-only strtolower
+ * so grocery/chore code does not fatal on hosts without ext-mbstring.
+ */
+function familyHubStrLowerUtf8(string $s): string {
+    if (function_exists('mb_strtolower')) {
+        return mb_strtolower($s, 'UTF-8');
+    }
+    return strtolower($s);
+}