Added sanitize to email and integer field

Author: srtab

src/Fields/CharField.php

@@ -32,6 +32,15 @@ public function __construct(array $args = array())
         }
     }
 
+    public function toNative($value)
+    {
+        $value = parent::toNative($value);
+
+        $value = trim((string) $value);
+
+        return !empty($value) ? $value : '';
+    }
+
     /**
      * Return extra minlength and maxlength attrs to be added to the input in HTML.
      *

src/Fields/EmailField.php

@@ -17,4 +17,11 @@ public function __construct(array $args = array())
 
         $this->validators[] = new EmailValidator();
     }
+
+    public function toNative($value)
+    {
+        $value = parent::toNative($value);
+
+        return filter_var($value, FILTER_SANITIZE_EMAIL);
+    }
 }

src/Fields/IntegerField.php

@@ -35,6 +35,8 @@ public function __construct(array $args = array())
 
     public function toNative($value)
     {
+        $value = filter_var($value, FILTER_SANITIZE_NUMBER_INT);
+
         if (is_numeric($value)) {
             return intval($value);
         } else {

tests/unit/Fields/CharFieldTest.php

@@ -51,4 +51,11 @@ public function testWidgetAttrs()
         $expected = array("minlength" => 10, "maxlength" => 20);
         $this->assertEquals($expected, $this->field->widgetAttrs(null));
     }
+
+    public function testToNative()
+    {
+        $this->assertEquals("text", $this->field->toNative("text"));
+        $this->assertEquals("text", $this->field->toNative(" text "));
+        $this->assertEquals("", $this->field->toNative(0));
+    }
 }