.phpdoc/template/trait.html.twig: Add missing template

tools/php_api_ref/.phpdoc/template/components/trait-title.html.twig

@@ -0,0 +1,23 @@
+{% set breadcrumbs = usesNamespaces ? breadcrumbs(node) : packages(node) %}
+{% set fqcn = breadcrumbs|map(breadcrumb => breadcrumb.name)|join('\\') ~ '\\' ~ node.name %}
+
+{% embed 'components/content-header.html.twig' with { 
+    anchor: node.name,
+    anchor_link: '#' ~ node.name,
+    fqcn,
+    add_edition: true,
+} %}
+    {% block subheader %}
+        <div class="content-header__subheader">Trait</div>
+
+        {% if node.usedTraits is not empty %}
+            <div class="content-header__subheader">
+                Uses
+                {% for trait in node.usedTraits %}
+                    {{ trait|route('class:short') }}{% if not loop.last %}, {% endif %}
+                {% endfor %}
+            </div>
+        {% endif %}
+    {% endblock %}
+
+{% endembed %}

tools/php_api_ref/.phpdoc/template/trait.html.twig

@@ -0,0 +1,89 @@
+{% extends 'base.html.twig' %}
+
+{% block title %}{{ node.name }} | {{ parent() }}{% endblock %}
+{% block meta %}
+    <meta name="description" content="{{ node.summary|escape }}" />
+    {{ parent() }}
+{% endblock %}
+
+{% block content %}
+    {% include 'components/breadcrumbs.html.twig' %}
+    {% include 'components/trait-title.html.twig' with { symfony_version: symfony_version } %}
+    {% include('components/element-header.html.twig') %}
+    {% include 'components/constants.html.twig' %}
+    {% include 'components/properties.html.twig' %}
+    {% include 'components/methods.html.twig' %}
+{% endblock %}
+
+{% block on_this_page %}
+    {% set constants = constants(node) %}
+    {% set properties = properties(node) %}
+    {% set methods = methods(node) %}
+
+    {% if constants is not empty or properties is not empty or methods is not empty %}
+        <label class="md-nav__title" for="__toc" title="{{ node.name }}">
+            {{ node.name }}
+        </label>
+    {% endif %}
+
+    <ul class="md-nav__list">
+        {% if constants is not empty %}
+            <li class="md-nav__item level-1 with-children">
+                <a href="{{ node|route("url")|raw }}#constants" title="Constants" class="md-nav__link">
+                    Constants
+                </a>
+                <nav class="md-nav">
+                    <ul class="md-nav__list">
+                        {% for constant in constants|sortByVisibility %}
+                            <li class="md-nav__item level-2">
+                                <a href="{{ link(constant) }}" title="{{ constant.name }}" class="md-nav__link">
+                                    {{ constant.name }}
+                                </a>
+                            </li>
+                        {% endfor %}
+                    </ul>
+                </nav>
+            </li>
+        {% endif %}
+        {% if properties is not empty %}
+            <li class="md-nav__item level-1 with-children">
+                <a href="{{ node|route("url")|raw }}#properties" title="Properties" class="md-nav__link">
+                    Properties
+                </a>
+                <nav class="md-nav">
+                    <ul class="md-nav__list">
+                        {% set treated_properties = [] %}
+                        {% for property in properties|sortByVisibility %}
+                            {% if property.__toString() not in treated_properties %}
+                                <li class="md-nav__item level-2">
+                                    <a href="{{ link(property) }}" title="{{ property.name }}" class="md-nav__link">
+                                        {{ property.name }}
+                                    </a>
+                                </li>
+                                {% set treated_properties = treated_properties|merge([property.__toString()]) %}
+                            {% endif %}
+                        {% endfor %}
+                    </ul>
+                </nav>
+            </li>
+        {% endif %}
+        {% if methods is not empty %}
+            <li class="md-nav__item level-1 with-children">
+                <a href="{{ node|route("url")|raw }}#methods" title="Methods" class="md-nav__link">
+                    Methods
+                </a>
+                <nav class="md-nav">
+                    <ul class="md-nav__list">
+                        {% for method in methods|sortByVisibility %}
+                            <li class="md-nav__item level-2">
+                                <a href="{{ link(method) }}" title="{{ method.name }}" class="md-nav__link">
+                                    {{ method.name }}()
+                                </a>
+                            </li>
+                        {% endfor %}
+                    </ul>
+                </nav>
+            </li>
+        {% endif %}
+    </ul>
+{% endblock %}