symfony · lsv · Jul 19, 2018 · nicolas-grekas · Jul 23, 2018
diff --git a/src/Symfony/Bridge/Twig/Resources/views/Form/bootstrap_4_layout.html.twig b/src/Symfony/Bridge/Twig/Resources/views/Form/bootstrap_4_layout.html.twig
@@ -129,8 +129,12 @@
 {% endblock %}
 
 {% block form_widget_simple -%}
+    {% if use_bootstrap_custom is not defined %}
+        {% set use_bootstrap_custom = true %}
+    {% endif %}
+
     {% if type is not defined or type != 'hidden' %}
-        {%- set attr = attr|merge({class: (attr.class|default('') ~ (type|default('') == 'file' ? ' custom-file-input' : ' form-control'))|trim}) -%}
+        {%- set attr = attr|merge({class: (attr.class|default('') ~ (type|default('') == 'file' and use_bootstrap_custom ? ' custom-file-input' : ' form-control'))|trim}) -%}
     {% endif %}
     {%- if type is defined and (type == 'range' or type == 'color') %}
         {# Attribute "required" is not supported #}

diff --git a/src/Symfony/Bridge/Twig/Resources/views/Form/bootstrap_4_nocustom_layout.html.twig b/src/Symfony/Bridge/Twig/Resources/views/Form/bootstrap_4_nocustom_layout.html.twig
@@ -0,0 +1,20 @@
+{% extends "bootstrap_4_layout.html.twig" %}
+
+{% block file_widget -%}
+    <div class="form-group">
+        <{{ element|default('div') }}>
+        {%- set type = type|default('file') -%}
+        {{- block('form_widget_simple') -}}
+        <label for="{{ form.vars.id }}">
+            {%- if attr.placeholder is defined -%}
+                {{- translation_domain is same as(false) ? attr.placeholder : attr.placeholder|trans({}, translation_domain) -}}
+            {%- endif -%}
+        </label>
+        </{{ element|default('div') }}>
+    </div>
+{% endblock %}
+
+{% block form_widget_simple -%}
+    {% set use_bootstrap_custom = false %}
+    {{- parent() -}}
+{% endblock %}