Merge pull request #2063 from CityOfPhiladelphia/restrict-media-types

restrict to specific mime types

wp/wp-content/themes/phila.gov-theme/functions.php

@@ -2358,4 +2358,27 @@ function add_html_lang_attribute($output) {
 
   $output = implode(' ', $attributes);
   return $output;
-}
+}
+
+function wpse_restrict_mimes($mime_types){
+  $mime_types = array(
+      'jpg|jpeg' => 'image/jpeg',
+      'png' => 'image/png',
+      'gif' => 'image/gif',
+      'svg' => 'image/svg+xml',
+      'pdf' => 'application/pdf',
+      'doc' => 'application/msword',
+      'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
+      'xls' => 'application/vnd.ms-excel',
+      'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
+      'docx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
+      'ppt' => 'application/vnd.ms-powerpoint',
+      'pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation', 
+      'pages' => 'application/vnd.apple.pages',
+      'numbers' => 'application/vnd.apple.numbers',
+      'csv' => 'text/csv',
+  );
+  return $mime_types;
+}
+
+add_filter('upload_mimes', 'wpse_restrict_mimes');