Fix small Route and Model empty value bugs

CHANGELOG.md

@@ -1,5 +1,11 @@
 # Parable PHP Framework Changelog
 
+### 1.2.1
+
+__Bugfixes__
+- `Route::extractParameterValues()` now only filters out values that are exactly an empty string. Anything else will be passed along as the provided value.
+- `Model::removeEmptyValues()` has a similar issue, where now only `null` values are filtered out.
+
 ### 1.2.0
 
 __Changes__

composer.json

@@ -13,7 +13,10 @@
     }
   ],
   "require": {
-    "php": ">=5.6"
+    "php": ">=5.6",
+    "ext-json": "*",
+    "ext-mbstring": "*",
+    "ext-pdo": "*"
   },
   "require-dev": {
     "phpunit/phpunit": "^5.7"

src/Http/Request.php

@@ -37,7 +37,7 @@ class Request
      */
     public function __construct()
     {
-        if (APP_CONTEXT === 'web') {
+        if (APP_CONTEXT === 'web' && function_exists('getallheaders')) {
             $this->headers = getallheaders() ?: []; // @codeCoverageIgnore
         }
     }

src/Mail/Mailer.php

@@ -310,7 +310,7 @@ public function send()
     }
 
     /**
-     * Actually send the email, using php's built-in mail() command.
+     * Actually send the email, using PHPs built-in mail() command.
      *
      * @param string $to
      * @param string $subject

src/Mail/Sender/PhpMail.php

@@ -5,7 +5,7 @@
 class PhpMail implements \Parable\Mail\Sender\SenderInterface
 {
     /**
-     * Send using php's built-in Mail interface
+     * Send using PHPs built-in Mail interface
      *
      * @inheritdoc
      *

src/ORM/Model.php

@@ -311,7 +311,7 @@ public function exportToArrayWithoutEmptyValues()
     public function removeEmptyValues(array $array)
     {
         foreach ($array as $key => $value) {
-            if ($value !== 0 && empty($value)) {
+            if ($value !== 0 && $value !== '0' && empty($value)) {
                 unset($array[$key]);
             }
         }