Better compatibility

Author: 0xIbra

composer.json

@@ -19,6 +19,6 @@
     "require": {
         "ext-curl": "*",
         "ext-json": "*",
-        "guzzlehttp/guzzle": "^6.5"
+        "guzzlehttp/guzzle": ">=6.5.0"
     }
 }

src/DockerClient.php

@@ -55,7 +55,7 @@ private function testConnection()
             return $this->info();
         } catch (\Exception $e) {
             $search = 'failed binding local connection end';
-            if (str_contains(strtolower($e->getMessage()), $search)) {
+            if (strpos(strtolower($e->getMessage()), $search) !== false) {
                 $text = sprintf('Could not bind to docker socket at %s', $this->unixSocket);
                 throw new DockerSocketNotFound($text);
             }