[DomCrawler] Fix conversion to int on GetPhpFiles

Author: MaraBlaga

Form.php

@@ -172,6 +172,18 @@ public function getPhpFiles()
             if (!empty($qs)) {
                 parse_str($qs, $expandedValue);
                 $varName = substr($name, 0, strlen(key($expandedValue)));
+
+                array_walk_recursive(
+                    $expandedValue,
+                    function (&$value, $key) {
+                        if (ctype_digit($value) && ('size' === $key || 'error' === $key)) {
+                            $value = (int) $value;
+                        }
+                    }
+                );
+
+                reset($expandedValue);
+
                 $values = array_replace_recursive($values, array($varName => current($expandedValue)));
             }
         }

Tests/FormTest.php

@@ -456,6 +456,15 @@ public function testGetPhpFiles()
 
         $form = $this->createForm('<form method="post"><input type="file" name="f.o o[bar][ba.z]" /><input type="file" name="f.o o[bar][]" /><input type="text" name="bar" value="bar" /><input type="submit" /></form>');
         $this->assertEquals(array('f.o o' => array('bar' => array('ba.z' => array('name' => '', 'type' => '', 'tmp_name' => '', 'error' => 4, 'size' => 0), array('name' => '', 'type' => '', 'tmp_name' => '', 'error' => 4, 'size' => 0)))), $form->getPhpFiles(), '->getPhpFiles() preserves periods and spaces in names recursively');
+
+        $form = $this->createForm('<form method="post"><input type="file" name="foo[bar]" /><input type="text" name="bar" value="bar" /><input type="submit" /></form>');
+        $files = $form->getPhpFiles();
+
+        $this->assertSame(0, $files['foo']['bar']['size'], '->getPhpFiles() converts size to int');
+        $this->assertSame(4, $files['foo']['bar']['error'], '->getPhpFiles() converts error to int');
+
+        $form = $this->createForm('<form method="post"><input type="file" name="size[error]" /><input type="text" name="error" value="error" /><input type="submit" /></form>');
+        $this->assertEquals(array('size' => array('error' => array('name' => '', 'type' => '', 'tmp_name' => '', 'error' => 4, 'size' => 0))), $form->getPhpFiles(), '->getPhpFiles() int conversion does not collide with file names');
     }
 
     /**