add some more utilities.

src/Cookie.php

@@ -0,0 +1,57 @@
+<?php
+
+namespace Mfdes\Utils;
+
+/**
+ * @file
+ * Implementation of cookies.
+ */
+
+/**
+ * Class implementation for cookies.
+ */
+class Cookie {
+  /**
+   * Content of $_COOKIE array.
+   *
+   * @var array
+   */
+  private $cookie = [];
+
+  /**
+   * Constructor.
+   */
+  public function __construct() {
+    $this->cookie = $_COOKIE;
+  }
+
+  /**
+   * Checks if a cookie exists.
+   */
+  public function cookieExists($name) {
+    return isset($this->cookie[$name]);
+  }
+
+  /**
+   * Get value of a cookie.
+   */
+  public function getCookie($name) : string {
+    return $this->cookieExists($name) ? $this->cookie[$name] : "";
+  }
+
+  /**
+   * Set a cookie.
+   */
+  public function setCookie(array $options) {
+    setcookie(
+      $options['name'],
+      $options['value'],
+      $options['expires'],
+      $options['path'],
+      $options['domain'],
+      $options['secure'],
+      $options['httponly']
+    );
+  }
+
+}

src/ShowVars.php

@@ -0,0 +1,48 @@
+<?php
+
+namespace Mdesouza\Utils;
+
+/**
+ * Show variables and exit or continue.
+ */
+class ShowVars {
+
+  /**
+   * Print vars and exit.
+   */
+  public static function printAndExit($data, $trace = TRUE) {
+    $bt = debug_backtrace();
+    echo "<pre>";
+    if (TRUE == $trace) {
+      echo "Trace: " . PHP_EOL;
+      foreach ($bt as $atrace) {
+        echo "$atrace[file]:$atrace[line]" . PHP_EOL;
+      }
+      echo PHP_EOL;
+    }
+
+    print_r($data);
+    echo "</pre>";
+    die("");
+  }
+
+  /**
+   * Print vars and continue.
+   */
+  public static function printAndContinue($data, $trace = TRUE) {
+    $bt = debug_backtrace();
+    echo "<pre>";
+    if (TRUE == $trace) {
+      echo "Trace: " . PHP_EOL;
+      foreach ($bt as $atrace) {
+        echo "$atrace[file]:$atrace[line]" . PHP_EOL;
+      }
+      echo PHP_EOL;
+    }
+
+    print_r($data);
+    echo "</pre>";
+
+  }
+
+}

src/TwigRender.php

@@ -22,9 +22,11 @@ class TwigRender {
   private $template;
 
   /**
-   * Templates paths 
+   * Templates paths.
+   *
+   * @var array
    */
-  private $templates_path;
+  private $templatesPath;
 
   /**
    * Template data.
@@ -38,7 +40,7 @@ class TwigRender {
    */
   public function __construct(string $template, array $templates_path, array $data = []) {
     $this->template = $template;
-    $this->templates_path =  $templates_path;
+    $this->templatesPath = $templates_path;
     $this->data = $data;
   }
 
@@ -47,10 +49,10 @@ class TwigRender {
    */
   public function render() : string {
 
-    $data['host'] = $_SERVER['HTTP_HOST'];
+    $this->data['host'] = $_SERVER['HTTP_HOST'];
 
     try {
-      $loader = new FilesystemLoader($this->templates_path);
+      $loader = new FilesystemLoader($this->templatesPath);
       $twig = new Environment($loader, ['debug' => TRUE]);
       $twig->addExtension(new DebugExtension());
       $twig->addExtension(new MFDESTwigExtension());