From f82c73cd467344463f9a221828ff79bf83fe36cd Mon Sep 17 00:00:00 2001
From: Diamond Lewis <findlewis@gmail.com>
Date: Wed, 9 Oct 2019 12:04:24 -0500
Subject: [PATCH 1/3] Support object->exists()

---
 src/Parse/ParseObject.php       | 22 ++++++++++++++++++++++
 tests/Parse/ParseObjectTest.php | 15 +++++++++++++++
 2 files changed, 37 insertions(+)

diff --git a/src/Parse/ParseObject.php b/src/Parse/ParseObject.php
index a88d5138..bb62c3a6 100644
--- a/src/Parse/ParseObject.php
+++ b/src/Parse/ParseObject.php
@@ -306,6 +306,28 @@ function ($object) use (&$result) {
         return $result;
     }
 
+    /**
+     * Returns true if this object exists on the Server
+     *
+     * @return bool
+     */
+    public function exists($useMasterKey = false)
+    {
+        if (!$this->objectId) {
+            return;
+        }
+        try {
+            $query = new ParseQuery($this->className);
+            $query->get($this->objectId, $useMasterKey);
+            return true;
+        } catch (Exception $e) {
+            if ($e->getMessage() === 'Object not found.') {
+                return false;
+            }
+            throw $e;
+        }
+    }
+
     /**
      * Validate and set a value for an object key.
      *
diff --git a/tests/Parse/ParseObjectTest.php b/tests/Parse/ParseObjectTest.php
index becddca6..d0d4e5aa 100644
--- a/tests/Parse/ParseObjectTest.php
+++ b/tests/Parse/ParseObjectTest.php
@@ -1775,4 +1775,19 @@ public function testUnrecognizedOp()
         ];
         ParseObject::decode($encoded);
     }
+
+    /**
+     * Tests if object exists
+     *
+     * @group object-exists
+     */
+    public function testObjectExists()
+    {
+        $obj = new ParseObject('TestClass');
+        $this->assertEquals($obj->exists(), false);
+        $obj->save();
+        $this->assertEquals($obj->exists(), true);
+        $obj->destroy();
+        $this->assertEquals($obj->exists(), false);
+    }
 }

From f46aec153713859e2e14226a1988c654b49238e7 Mon Sep 17 00:00:00 2001
From: Diamond Lewis <findlewis@gmail.com>
Date: Wed, 9 Oct 2019 12:15:57 -0500
Subject: [PATCH 2/3] matches js sdk

---
 src/Parse/ParseObject.php | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/Parse/ParseObject.php b/src/Parse/ParseObject.php
index bb62c3a6..857bc73f 100644
--- a/src/Parse/ParseObject.php
+++ b/src/Parse/ParseObject.php
@@ -314,14 +314,14 @@ function ($object) use (&$result) {
     public function exists($useMasterKey = false)
     {
         if (!$this->objectId) {
-            return;
+            return false;
         }
         try {
             $query = new ParseQuery($this->className);
             $query->get($this->objectId, $useMasterKey);
             return true;
         } catch (Exception $e) {
-            if ($e->getMessage() === 'Object not found.') {
+            if ($e->getCode() === 101) {
                 return false;
             }
             throw $e;

From 120d6e49fb9fbcf8341cc75c8958b8abc0e72888 Mon Sep 17 00:00:00 2001
From: Diamond Lewis <findlewis@gmail.com>
Date: Wed, 9 Oct 2019 12:23:13 -0500
Subject: [PATCH 3/3] Improve documentation

---
 src/Parse/ParseObject.php | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/Parse/ParseObject.php b/src/Parse/ParseObject.php
index 857bc73f..5c82fd31 100644
--- a/src/Parse/ParseObject.php
+++ b/src/Parse/ParseObject.php
@@ -309,6 +309,8 @@ function ($object) use (&$result) {
     /**
      * Returns true if this object exists on the Server
      *
+     * @param bool $useMasterKey Whether to use the Master Key.
+     *
      * @return bool
      */
     public function exists($useMasterKey = false)