From db2f2a56c55ebaebcb16356b24b6ad3fd95bc447 Mon Sep 17 00:00:00 2001
From: Jeremie Foucault <j.foucault@sheltin.fr>
Date: Tue, 5 Sep 2017 17:19:51 +0200
Subject: [PATCH] Allow to evaluate array length instead of value

---
 src/JWadhams/JsonLogic.php | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/src/JWadhams/JsonLogic.php b/src/JWadhams/JsonLogic.php
index cc01421..ca6a8ae 100644
--- a/src/JWadhams/JsonLogic.php
+++ b/src/JWadhams/JsonLogic.php
@@ -86,8 +86,13 @@ public static function apply($logic = [], $data = []) {
 				//This is actually safe for integer indexes, PHP treats $a["1"] exactly like $a[1]
 				foreach(explode('.', $a) as $prop){
 					if(is_array($data)){
-						if(!isset($data[$prop])) return $default; //Not found
-						$data = $data[$prop];
+            if (isset($data[$prop])) {
+              $data = $data[$prop];
+            } elseif ($prop === 'length') {
+              $data = count($data);
+            } else {
+              return $default;
+            }
 					}elseif(is_object($data)){
 						if(!property_exists($data,$prop)) return $default; //Not found
 						$data = $data->{$prop};