Merge pull request #10009 from creative-commoners/pulls/4.8/treedropdown-pdo

FIX Cast DBInt value to int

src/ORM/FieldType/DBInt.php

@@ -20,6 +20,15 @@ class DBInt extends DBField
         parent::__construct($name);
     }
 
+    /**
+     * Ensure int values are always returned.
+     * This is for mis-configured databases that return strings.
+     */
+    public function getValue()
+    {
+        return (int) $this->value;
+    }
+
     /**
      * Returns the number, with commas added as appropriate, eg “1,000”.
      */

tests/php/ORM/DBIntTest.php

@@ -0,0 +1,18 @@
+<?php
+
+namespace SilverStripe\ORM\Tests;
+
+use SilverStripe\Dev\SapphireTest;
+use SilverStripe\ORM\FieldType\DBInt;
+
+class DBIntTest extends SapphireTest
+{
+    public function testGetValueCastToInt()
+    {
+        $field = DBInt::create('MyField');
+        $field->setValue(3);
+        $this->assertSame(3, $field->getValue());
+        $field->setValue('3');
+        $this->assertSame(3, $field->getValue());
+    }
+}