enable svg uploads

functions.php

@@ -64,3 +64,40 @@ add_action('init', function () {
 });
 
 /*== END DISABLE COMMENTS ==*/
+
+/*== ENABLE SVG UPLOADS ==*/
+// Allow SVG
+add_filter( 'wp_check_filetype_and_ext', function($data, $file, $filename, $mimes) {
+
+  global $wp_version;
+  if ( $wp_version !== '4.7.1' ) {
+     return $data;
+  }
+
+  $filetype = wp_check_filetype( $filename, $mimes );
+
+  return [
+      'ext'             => $filetype['ext'],
+      'type'            => $filetype['type'],
+      'proper_filename' => $data['proper_filename']
+  ];
+
+}, 10, 4 );
+
+function cc_mime_types( $mimes ){
+  $mimes['svg'] = 'image/svg+xml';
+  return $mimes;
+}
+add_filter( 'upload_mimes', 'cc_mime_types' );
+
+function fix_svg() {
+  echo '<style type="text/css">
+        .attachment-266x266, .thumbnail img {
+             width: 100% !important;
+             height: auto !important;
+        }
+        </style>';
+}
+add_action( 'admin_head', 'fix_svg' );
+
+/*== END ENABLE SVG UPLOADS ==*/