Little fixes

src/CoreFields/CharField.php

@@ -48,6 +48,7 @@ class CharField extends PhangoField {
 	
 	/**
 	* This function is for check if the value for field is valid
+	* If required and empty check how false
 	*/
 
 	public function check($value)
@@ -55,6 +56,14 @@ class CharField extends PhangoField {
 
 		//Delete Javascript tags and simple quotes.
 		$this->value=Utils::form_text($value);
+		
+		if($value=='')
+		{
+		
+            $this->error=1;
+		
+		}
+		
 		return Utils::form_text($value);
 
 	}

src/CoreFields/PhangoField.php

@@ -120,6 +120,11 @@ class PhangoField {
 	
 	public $update=0;
 	
+	/**
+	* A property for set if error
+	*/
+	
+	public $error=0;
 	
 	/**
 	* Method used for internal tasks related with searchs. You can overwrite this method in your PhangoField object if you need translate the value that the user want search to a real value into the database.
@@ -176,6 +181,17 @@ class PhangoField {
 	
 		return $this->check($value);
 	
+	}
+	
+	/**
+	* Basic check for sql things
+	*/
+	
+	public function check($value)
+    {
+    
+        return str_replace('"', '"', $value);
+    
     }
 	
 	/**

src/Databases/MySQLClass.php

@@ -2,7 +2,7 @@
 
 namespace PhangoApp\PhaModels;
 
-if(!function_exists('mysql_query'))
+if(!function_exists('mysqli_query'))
 {
 
 	throw new \Exception('Error: Mysql database don\'t supported by php');

src/ModelForm.php

@@ -320,6 +320,8 @@ class ModelForm {
                 
 				$post[$key_form]=$form->field->check($post[$key_form]);
 				
+				//If isset how false the error field..., then error.
+				
 				if($post[$key_form]=='' && $form->required==1)
 				{