Merge branch '4.1'

* 4.1:
  [TwigBridge] fix lowest version of symfony/form
  Think positive
  KernelInterface can return null container
  [DI] Detect circular references with ChildDefinition parent
  [VarDumper] Fix global dump function return value for PHP7
  [Ldap] Use shut up operator on connection errors at ldap_start_tls
  Implement startTest rather than startTestSuite
  [OptionsResolver] remove dead code and useless else
  [HttpFoundation] don't override StreamedResponse::setNotModified()
  Added relevent links for parsing to the phpdoc
  Add stricter checking for valid date time string
  Fix symfony/console (optional) dependency for MonologBridge
  fix not displaying labels when value is false
  [Form] Fix DateTimeType html5 input format

Author: nicolas-grekas

Resources/views/Form/bootstrap_base_layout.html.twig

@@ -64,11 +64,13 @@
         {%- if datetime is not defined or not datetime -%}
             <div {{ block('widget_container_attributes') -}}>
         {%- endif %}
+        {%- if label is not same as(false) -%}
             <div class="sr-only">
                 {{ form_label(form.year) }}
                 {{ form_label(form.month) }}
                 {{ form_label(form.day) }}
             </div>
+        {%- endif -%}
 
             {{- date_pattern|replace({
                 '{{ year }}': form_widget(form.year),
@@ -89,10 +91,10 @@
         {%- if datetime is not defined or false == datetime -%}
             <div {{ block('widget_container_attributes') -}}>
         {%- endif -%}
-        <div class="sr-only">{{ form_label(form.hour) }}</div>
+        {%- if label is not same as(false) -%}<div class="sr-only">{{ form_label(form.hour) }}</div>{%- endif -%}
         {{- form_widget(form.hour) -}}
-        {%- if with_minutes -%}:<div class="sr-only">{{ form_label(form.minute) }}</div>{{ form_widget(form.minute) }}{%- endif -%}
-        {%- if with_seconds -%}:<div class="sr-only">{{ form_label(form.second) }}</div>{{ form_widget(form.second) }}{%- endif -%}
+        {%- if with_minutes -%}:{%- if label is not same as(false) -%}<div class="sr-only">{{ form_label(form.minute) }}</div>{%- endif -%}{{ form_widget(form.minute) }}{%- endif -%}
+        {%- if with_seconds -%}:{%- if label is not same as(false) -%}<div class="sr-only">{{ form_label(form.second) }}</div>{%- endif -%}{{ form_widget(form.second) }}{%- endif -%}
         {%- if datetime is not defined or false == datetime -%}
             </div>
         {%- endif -%}

Tests/Extension/AbstractBootstrap3LayoutTest.php

@@ -1577,7 +1577,7 @@ public function testDateTimeWithWidgetSingleText()
     [@type="datetime-local"]
     [@name="name"]
     [@class="my&class form-control"]
-    [@value="2011-02-03T04:05:06Z"]
+    [@value="2011-02-03T04:05:06"]
 '
         );
     }
@@ -1598,7 +1598,7 @@ public function testDateTimeWithWidgetSingleTextIgnoreDateAndTimeWidgets()
     [@type="datetime-local"]
     [@name="name"]
     [@class="my&class form-control"]
-    [@value="2011-02-03T04:05:06Z"]
+    [@value="2011-02-03T04:05:06"]
 '
         );
     }

composer.json

@@ -23,7 +23,7 @@
         "symfony/asset": "~3.4|~4.0",
         "symfony/dependency-injection": "~3.4|~4.0",
         "symfony/finder": "~3.4|~4.0",
-        "symfony/form": "^4.1.2",
+        "symfony/form": "^4.1.5",
         "symfony/http-foundation": "~3.4|~4.0",
         "symfony/http-kernel": "~3.4|~4.0",
         "symfony/polyfill-intl-icu": "~1.0",