Test if functions is already defined

# TODO: use namespaces in helper functions

Author: wilcorrea

bootstrap/function.php

@@ -1,47 +1,55 @@
 <?php
 
-/**
- * @param bool $status
- * @return string
- */
-function status($status)
-{
-    return $status ? success('success') : fail('fail   ');
+if (!function_exists('status')) {
+    /**
+     * @param bool $status
+     * @return string
+     */
+    function status($status)
+    {
+        return $status ? success('success') : fail('fail   ');
+    }
 }
 
-/**
- * @return bool
- * @SuppressWarnings("SuperGlobals")
- */
-function is_http()
-{
-    return isset($_SERVER['HTTP_HOST']);
+if (!function_exists('is_http')) {
+    /**
+     * @return bool
+     * @SuppressWarnings("SuperGlobals")
+     */
+    function is_http()
+    {
+        return isset($_SERVER['HTTP_HOST']);
+    }
 }
 
-/**
- * @param string $message
- * @return string
- */
-function success($message)
-{
-    //chr(27) . '[42m success ' . chr(27) . '[0m'
-    $success = chr(27) . '[42m' . $message . chr(27) . '[0m';
-    if (is_http()) {
-        $success = '<span style="background-color: green; color: #fff; padding: 0 5px;">' . $message . '</span>';
+if (!function_exists('success')) {
+    /**
+     * @param string $message
+     * @return string
+     */
+    function success($message)
+    {
+        //chr(27) . '[42m success ' . chr(27) . '[0m'
+        $success = chr(27) . '[42m' . $message . chr(27) . '[0m';
+        if (is_http()) {
+            $success = '<span style="background-color: green; color: #fff; padding: 0 5px;">' . $message . '</span>';
+        }
+        return $success;
     }
-    return $success;
 }
 
-/**
- * @param string $message
- * @return string
- */
-function fail($message)
-{
-    //chr(27) . '[42m success ' . chr(27) . '[0m'
-    $success = chr(27) . '[41m' . $message . chr(27) . '[0m';
-    if (is_http()) {
-        $success = '<span style="background-color: red; color: #fff; padding: 0 5px;">' . $message . '</span>';
+if (!function_exists('fail')) {
+    /**
+     * @param string $message
+     * @return string
+     */
+    function fail($message)
+    {
+        //chr(27) . '[42m success ' . chr(27) . '[0m'
+        $success = chr(27) . '[41m' . $message . chr(27) . '[0m';
+        if (is_http()) {
+            $success = '<span style="background-color: red; color: #fff; padding: 0 5px;">' . $message . '</span>';
+        }
+        return $success;
     }
-    return $success;
-}
+}