Add test case .

Author: cdoco

.gitignore

@@ -0,0 +1 @@
+run-tests.php

.travis.yml

@@ -0,0 +1,17 @@
+language: php 
+
+php:
+  - 7.0
+  - 7.1
+  - 7.2
+
+notifications:
+  email: false
+
+#Compile
+before_script:
+    - ./travis/compile.sh
+
+# Run PHPs run-tests.php 
+script:
+    - ./travis/run-test.sh

README.md

@@ -78,7 +78,7 @@ hex.
 $hashids = new Hashids();
 
 $hash = $hashids->encodeHex('FFFFDD'); // rYKPAK
-$numbers = $hashids->decodeHex($hash); // FFFFDD
+$hex = $hashids->decodeHex($hash); // FFFFDD
 ```
 
 Curses! #$%@

hashids.php

@@ -1,10 +1,27 @@
 <?php
-//encode
-echo (new Hashids())->encode(1, 2, 3, 4, 5) . "\n";
-echo (new Hashids())->encode([1, 2, 3, 4, 5]) . "\n";
+
+$hashids = new Hashids();
+
+$hash = $hashids->encode(1, 2, 3, 4, 5); // ADf9h9i0sQ
+$numbers = $hashids->decode($hash); // [1, 2, 3, 4, 5]
+
+echo $hash;
+print_r($numbers);
+
+//or would you prefer to use a static method call
+$hash = Hashids::encode(1, 2, 3, 4, 5); // ADf9h9i0sQ
+$numbers = Hashids::decode($hash); // [1, 2, 3, 4, 5]
+
+echo $hash;
+print_r($numbers);
+
 //decode
-var_dump((new Hashids())->decode("ADf9h9i0sQ"));
+$numbers = $hashids->decode("ADf9h9i0sQ");
+print_r($numbers);
+
 //encodeHex
-echo (new Hashids('hhhhh', 30))->encodeHex('C0FFEE') . "\n";
-//decodeHex
-echo (new Hashids('hhhhh', 30))->decodeHex('xvwLqB4XMbJAEbXxOw6N5lO92YQrKG') . "\n";
+$hash = $hashids->encodeHex('FFFFDD'); // rYKPAK
+$hex = $hashids->decodeHex('rYKPAK'); // FFFFDD
+
+echo $hash;
+echo $hex;