🎨 Add function keyword to functions/methods signatures

Author: nelson6e65

data/templates/vuepress/member-method.md.twig

@@ -16,7 +16,7 @@
 
 {# Method signature #}
 ```php
-{{ method.visibility }}{% if method.static %} static{% endif %} {{ method.name }}( {% for argument in method.arguments %}
+{{ method.visibility }}{% if method.static %} static{% endif %} function {{ method.name }}( {% for argument in method.arguments %}
 {{- argument.types|default(['mixed'])|sort_asc|join('|')~' ' }}
 {{- argument.byReference ? '&' }}
 {{- argument.name }}{% if argument.default is not same as(null) %} = {{ argument.default|raw }}{% endif %}

data/templates/vuepress/struct-function.md.twig

@@ -4,7 +4,7 @@
 
 {# Function signature #}
 ```php
-{{ function.name }}( {% for argument in function.arguments %}
+function {{ function.name }}( {% for argument in function.arguments %}
 {{- argument.types|default(['mixed'])|sort_asc|join('|')~' ' }}
 {{- argument.byReference ? '&' }}
 {{- argument.name }}{% if argument.default is not same as(null) %} = {{ argument.default|raw }}{% endif %}