Merge branch '4.0'

* 4.0:
  Fix typos
  [Routing] remove useless failing mocks
  [appveyor] Workaround GitHub disabling of low versions of TLS
  Use long array syntax
  [Routing] Fix GC control of PHP-DSL
  [Routing] Don't throw 405 when scheme requirement doesn't match
  [Routing] Revert throwing 405 on missed slash/scheme redirections
  [WebProfilerBundle] fix test after ajax path updated
  Fix ArrayInput::toString() for InputArgument::IS_ARRAY args
  Update excluded_ajax_paths for sf4
  Add missing use for RoleInterface
  Add missing use of Role
  [Routing] fix CS
  add container.autowiring.strict_mode to 3.4 docs
  Set controller without __invoke method from invokable class
  [VarDumper] Fixed PHPDoc

Author: nicolas-grekas

Input/ArrayInput.php

@@ -114,7 +114,7 @@ public function __toString()
                     $params[] = $param.('' != $val ? '='.$this->escapeToken($val) : '');
                 }
             } else {
-                $params[] = is_array($val) ? array_map(array($this, 'escapeToken'), $val) : $this->escapeToken($val);
+                $params[] = is_array($val) ? implode(' ', array_map(array($this, 'escapeToken'), $val)) : $this->escapeToken($val);
             }
         }
 

Tests/Input/ArrayInputTest.php

@@ -170,5 +170,8 @@ public function testToString()
 
         $input = new ArrayInput(array('-b' => array('bval_1', 'bval_2'), '--f' => array('fval_1', 'fval_2')));
         $this->assertSame('-b=bval_1 -b=bval_2 --f=fval_1 --f=fval_2', (string) $input);
+
+        $input = new ArrayInput(array('array_arg' => array('val_1', 'val_2')));
+        $this->assertSame('val_1 val_2', (string) $input);
     }
 }