Centralize getSortedList in parent class

src/MDValueSet.php

@@ -0,0 +1,35 @@
+<?PHP
+/**
+ * Parent class for controlled lists of available values at md.
+ *
+ * @author Joshua Ramon Enslin <joshua@museum-digital.de>
+ */
+
+/**
+ * Generic class for value sets.
+ */
+class MDValueSet {
+
+    /**
+     * Gets a list of entries in a translated version.
+     *
+     * @param MDTlLoader    $tlLoader   Translation loader.
+     * @param array<string> $keyList    List of keys to get translations for.
+     * @param string        $tlFileName Name of the translation file.
+     * @param string        $tlVarName  Variable of the translation.
+     *
+     * @return array<string>
+     */
+    public static function getSortedList(MDTlLoader $tlLoader, array $keyList, string $tlFileName, string $tlVarName):array {
+
+        $output = [];
+        foreach ($keyList as $tID) {
+            $output[$tID] = $tlLoader->tl($tlFileName, $tlVarName, $tID);
+        }
+
+        asort($output);
+        return $output;
+
+    }
+
+}