{% set variable = 12 %} #} {% if variable is defined %} {{- "Variable exists :" ~ variable -}} {% endif%} 如何检查字符串或数组是否包含值 要检查元素是否在数组内, 可以使用in语句。 {% set mytext = "hello how are you today" %} {% set myarray = ["Hello", 12, 15, "other...
{% if style is defined %} {% set classNames = "tip tip--#{style}" %} {% else %} {% set classNames = "tip tip--plain" %} {% endif %} This ensures that the style variable exists before we try and use it. Accessing an undefined variable or property when Craft’s Twig ...
strict_variables: If set to false, Twig will silently ignore invalid variables (variables and or attributes/methods that do not exist) and replace them with a null value. When set to true, Twig throws an exception instead (default to false). autoescape: If set to true, auto-escaping will ...
我正在一个网站上工作，在那里我需要在WP帖子旁边显示一个数字：这是在Twig的循环变量中存在的东西，应...
问symfony 4 twig重写默认变量EN这里的问题是twig按如下方式编译您的代码：
Once a variable exists, it's much easier to refer to that variable anywhere below it's first instance in your templates. Create your page variables in a plugin. Craft allows you to set up routes to point to a Controller action instead of a page template. Consider building a plugin and...
{%ifposts is empty %}{%blockhead %}{{parent()}}{%endblockhead %}{%endif%} Contrary to what you might think, this template does not define a block conditionally; it just makes overridable by a child template the output of what will be rendered when the condition istrue. If you want...
(adjust as necessary to point to yourmanifest.jsonon the file system); this allows Twigpack to load the manifest from the file system, rather than via http request, and is the preferred method. However, it works fine as a full URL as well if you have yourmanifest.jsonhosted on a CDN...
protectedfunctiongetVariableGetterWithStrictCheck($name) { if(class_exists(LoopIterator::class)) { return\sprintf('(array_key_exists("%1$s", $context) ? $context["%1$s"] : throw new RuntimeError(\'Variable "%1$s" does not exist.\', 0, $this->source))',$name); ...
You can also provide a list of templates that are checked for existence before inclusion. The first template that exists will be included: 1 {%include['page_detailed.html', 'page.html'] %} Ifignore missingis given, it will fall back to rendering nothing if none of the templates exist, ...