From b53038f916eb997006484ca5853a3f6672bbd044 Mon Sep 17 00:00:00 2001
From: Xon <Xon@users.noreply.github.com>
Date: Thu, 22 Mar 2018 09:58:36 +0800
Subject: [PATCH 1/4] Test against redis v4

---
 .travis.yml | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/.travis.yml b/.travis.yml
index 3fbff2d..b9c13ad 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -13,10 +13,10 @@ allow_failures:
 
 install:
   - yes '' | pecl install -f redis
-  - wget http://download.redis.io/releases/redis-3.2.11.tar.gz
-  - tar -xzf redis-3.2.11.tar.gz
-  - make -s -C redis-3.2.11 -j4
-  - export PATH=$PATH:$PWD/redis-3.2.11/src/
+  - wget http://download.redis.io/releases/redis-4.0.8.tar.gz
+  - tar -xzf redis-4.0.8.tar.gz
+  - make -s -C redis-4.0.8 -j4
+  - export PATH=$PATH:$PWD/redis-4.0.8/src/
 
 script:
   - phpunit

From 864191d861ecdee67ed15fce069aca53667cd185 Mon Sep 17 00:00:00 2001
From: Xon <tazipper1@hotmail.com>
Date: Thu, 22 Mar 2018 10:16:06 +0800
Subject: [PATCH 2/4] add exists tests

---
 tests/CredisTest.php | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tests/CredisTest.php b/tests/CredisTest.php
index d6fac5e..968000e 100644
--- a/tests/CredisTest.php
+++ b/tests/CredisTest.php
@@ -65,6 +65,10 @@ public function testScalars()
         $this->assertEquals('FOO', $this->credis->get('foo'));
         $this->assertFalse($this->credis->get('nil'));
 
+        // exists support
+        $this->assertEquals($this->credis->exists('foo'), 1);
+        $this->assertEquals($this->credis->exists('nil'), 0);
+
         // Empty string
         $this->credis->set('empty','');
         $this->assertEquals('', $this->credis->get('empty'));

From d764510d057ee672d363a5032f7df2bc2c0e7985 Mon Sep 17 00:00:00 2001
From: Xon <tazipper1@hotmail.com>
Date: Thu, 22 Mar 2018 10:20:49 +0800
Subject: [PATCH 3/4] Smooth over phpredis exists return results to ensure it
 is an int value

---
 Client.php | 11 +++++++++++
 1 file changed, 11 insertions(+)

diff --git a/Client.php b/Client.php
index 2f32faf..971b8f1 100755
--- a/Client.php
+++ b/Client.php
@@ -1186,6 +1186,17 @@ public function __call($name, $args)
                         throw new CredisException($error);
                     }
                     break;
+                case 'exists':
+                    // smooth over phpredis-v4 vs earlier difference to match documented credis return results
+                    if ($response === true)
+                    {
+                        $response = 1;
+                    }
+                    else if ($response === false)
+                    {
+                        $response = 0;
+                    }
+                    break;
                 default:
                     $error = $this->redis->getLastError();
                     $this->redis->clearLastError();

From 501b633be41afdc8cc01b0e2207fd23d7ccb0836 Mon Sep 17 00:00:00 2001
From: Colin Mollenhour <colin@mollenhour.com>
Date: Mon, 7 May 2018 10:34:53 -0400
Subject: [PATCH 4/4] Simplify type casting.

---
 Client.php | 9 +--------
 1 file changed, 1 insertion(+), 8 deletions(-)

diff --git a/Client.php b/Client.php
index 971b8f1..f4536b6 100755
--- a/Client.php
+++ b/Client.php
@@ -1188,14 +1188,7 @@ public function __call($name, $args)
                     break;
                 case 'exists':
                     // smooth over phpredis-v4 vs earlier difference to match documented credis return results
-                    if ($response === true)
-                    {
-                        $response = 1;
-                    }
-                    else if ($response === false)
-                    {
-                        $response = 0;
-                    }
+                    $response = (int) $response;
                     break;
                 default:
                     $error = $this->redis->getLastError();