Add a const for indicating showing all contexts

jfcherng · jfcherng · commit 8b89bbc1575c · 2020-02-24T04:40:38.000+08:00
Related to #8 Signed-off-by: Jack Cherng <jfcherng@gmail.com>
diff --git a/src/Differ.php b/src/Differ.php
@@ -15,6 +15,9 @@
  */
 final class Differ
 {
+    // a safe number for indicating showing all contexts
+    const CONTEXT_ALL = \PHP_INT_MAX >> 4;
+
     /**
      * @var array cached properties and their default values
      */
