first commit

wp-content/plugins/sitepress-multilingual-cms/classes/utilities/class-wpml-ajax.php

@@ -0,0 +1,31 @@
+<?php
+
+class WPML_Ajax {
+
+	/**
+	 * @return bool
+	 */
+	public static function is_frontend_ajax_request() {
+		return wpml_is_ajax() && isset( $_SERVER['HTTP_REFERER'] ) && false === strpos( $_SERVER['HTTP_REFERER'], admin_url() );
+	}
+
+	/**
+	 * @param string $url
+	 *
+	 * @return bool
+	 */
+	public static function is_admin_ajax_request_called_from_frontend( $url ) {
+		if ( false === strpos( $url, 'admin-ajax.php' ) ) {
+			return false;
+		}
+
+		// is not frontend
+		if ( isset( $_SERVER['HTTP_REFERER'] )
+			&& ( strpos( $_SERVER['HTTP_REFERER'], 'wp-admin' ) || strpos( $_SERVER['HTTP_REFERER'], 'admin-ajax' ) )
+		) {
+			return false;
+		}
+
+		return true;
+	}
+}