Static Class and Helper Functions

base58.php

@@ -0,0 +1,33 @@
+<?php
+
+if (false === function_exists('base58_encode'))
+{
+    function base58_encode($string)
+    {
+        return StephenHill\StaticBase58::encode($string);
+    }
+}
+
+if (false === function_exists('base58_decode'))
+{
+    function base58_decode($string)
+    {
+        return StephenHill\StaticBase58::decode($string);
+    }
+}
+
+if (false === class_exists('Base58', true))
+{
+    class Base58
+    {
+        public static function encode($string)
+        {
+            return StephenHill\StaticBase58::encode($string);
+        }
+
+        public static function decode($string)
+        {
+            return StephenHill\StaticBase58::decode($string);
+        }
+    }
+}

composer.json

@@ -19,6 +19,9 @@
         "psr-4": {
             "StephenHill\\": "src/",
             "StephenHill\\Benchmarks\\": "benchmarks/"
-        }
+        },
+        "files": [
+            "base58.php"
+        ]
     }
 }

src/StaticBase58.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace StephenHill;
+
+class StaticBase58
+{
+    protected static $instance;
+
+    public static function encode($string)
+    {
+        return self::getInstance()->encode($string);
+    }
+
+    public static function decode($string)
+    {
+        return self::getInstance()->decode($string);
+    }
+
+    protected static function getInstance()
+    {
+        if (null === static::$instance)
+        {
+            static::$instance = new Base58();
+        }
+
+        return static::$instance;
+    }
+}

tests/StaticTest.php

@@ -0,0 +1,27 @@
+<?php
+
+use StephenHill\StaticBase58;
+
+class StaticTests extends PHPUnit_Framework_TestCase
+{
+    public function testStaticClass()
+    {
+        $this->assertSame('JxF12TrwUP45BMd', StaticBase58::encode('Hello World'));
+        $this->assertSame('Hello World', StaticBase58::decode('JxF12TrwUP45BMd'));
+    }
+
+    public function testNamespacelessClass()
+    {
+        $this->assertTrue(class_exists('Base58', true));
+        $this->assertSame('JxF12TrwUP45BMd', Base58::encode('Hello World'));
+        $this->assertSame('Hello World', Base58::decode('JxF12TrwUP45BMd'));
+    }
+
+    public function testFunctions()
+    {
+        $this->assertTrue(function_exists('base58_encode'));
+        $this->assertTrue(function_exists('base58_decode'));
+        $this->assertSame('JxF12TrwUP45BMd', base58_encode('Hello World'));
+        $this->assertSame('Hello World', base58_decode('JxF12TrwUP45BMd'));
+    }
+}