Added getOne convinience function

MysqliDb.php

@@ -168,6 +168,19 @@ class MysqliDb
         return $this->_dynamicBindResults($stmt);
     }
 
+    /**
+     * A convenient SELECT * function to get one record.
+     *
+     * @param string  $tableName The name of the database table to work with.
+     *
+     * @return array Contains the returned rows from the select query.
+     */
+     public function getOne($tableName) 
+     {
+         $res = $this->get ($tableName, 1);
+         return $res[0];
+     }
+
     /**
      *
      * @param <string $tableName The name of the table.

readme.md

@@ -30,6 +30,14 @@ $results = $db->get('tableName', 'numberOfRows-optional');
 print_r($results); // contains array of returned rows
 ```
 
+or select just one row
+
+```php
+$db->where (id,"10");
+$results = $db->getOne ("tableName");
+print_r($results);
+```
+
 ### Update Query
 
 ```php
@@ -96,7 +104,7 @@ $results = $db->get('tableName');
 ```
 
 IN:
-``php
+```php
 $db->where('id', array( 'in' => array(1, 5, 27, -1, 'd') ) );
 $results = $db->get('tableName');
 // Gives: SELECT * FROM tableName WHERE id IN ( ?, ?, ?, ?, ? )