如何在树枝中访问动态变量名称? [英] How to access dynamic variable names in twig?

问题描述

我在树枝上有一些变量，例如

I have some variables in twig like

placeholder1
placeholder2
placeholderx

要调用它们，我正在遍历对象数组发票"

To call them, I am looping through the array of objects "invoices"

{% for invoices as invoice %}
    need to display here the placeholder followed by the invoice id number
    {{ placeholedr1 }}

推荐答案

我也遇到了同样的问题-使用第一个答案，经过一些进一步的研究后发现{{ attribute(_context, 'placeholder'~invoice.id) }}应该可以工作(_context是全局上下文对象包含所有对象的名称)

I just had the same issue - and using this first answer and after some additional research found the {{ attribute(_context, 'placeholder'~invoice.id) }} should work (_context being the global context object containing all objects by name)

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