implement class for string operations

CRM/TwingleCampaign/Utils/StringOperations.php

@@ -0,0 +1,55 @@
+<?php
+
+
+
+class CRM_TwingleCampaign_Utils_StringOperations {
+
+  /**
+   * @param string $title
+   *
+   * @return string
+   */
+  public static function title_to_name(string $title) {
+    $umlauts = ['/ä/', '/ö/', '/ü/'];
+    $replace_umplauts = ['ae', 'oe', 'ue'];
+    $title = preg_replace($umlauts, $replace_umplauts, $title);
+    $title = strtolower(preg_replace('/[^A-Za-z0-9-_]/', '_', $title));
+    return $title;
+  }
+
+  /**
+   * Splits a single string that contains firstname and lastname into an
+   * associative array with firstname and lastname
+   *
+   * TODO: This solution is intended to be temporary and should become included
+   * (in a much more advanced way) into the XCM Extension
+   *
+   * @param string $string
+   * @return array|string
+   */
+  public static function split_names(string $string) {
+    $names = explode(' ', $string);
+
+    if (is_array($names) && count($names) > 1) {
+      $lastname = array_pop($names);
+      $test = $names[count($names) - 1];
+      $lastnamePrefixes = ['da', 'de', 'der', 'van', 'von'];
+      if (in_array($test, $lastnamePrefixes)) {
+        if ($test == 'der' &&
+          $names[count($names) - 2] == 'van' ||
+          $names[count($names) - 2] == 'von'
+        ) {
+          $lastname = implode(' ', array_splice($names, -2))
+            . ' ' . $lastname;
+        }
+        else {
+          array_pop($names);
+          $lastname = $test . ' ' . $lastname;
+        }
+      }
+      $firstnames = implode(" ", $names);
+      return ['firstnames' => $firstnames, 'lastname' => $lastname];
+    }
+    return $string;
+  }
+}