PHP   发布时间:2022-04-04  发布网站:大佬教程  code.js-code.com
大佬教程收集整理的这篇文章主要介绍了php-Twig_Error_Syntax:未知的“ template_from_string”函数.功能过时了吗?大佬教程大佬觉得挺不错的,现在分享给大家,也给大家做个参考。

我记得在作曲家更新后遇到了这个错误,但是以前它运行良好,并且在比较软件包版本时没有发现差异.我在模板中以这种方式使用它:

{{ include(template_from_string(page.body)) }}

其中“页面”是来自控制器的实体对象.当前版本是:

symfony/symfony                          v2.8.15
twig/extensions                          v1.4.1
twig/twig                                v1.30.0

同样在config.yml中:

twig:
    debug:            "%kernel.debug%"
    Strict_variables: "%kernel.debug%"
    form_themes:
        - 'AppBundle::Form/form_override.html.twig'

现在在vendor / twig / twig / lib / twig / Twig / Extension / StringLoader.@L_675_3@中有视觉上正确的文件,但似乎仍然无法正常工作.完整的堆栈跟踪:

[1] Twig_Error_Syntax: UnkNown "template_from_string" function.
    at n/a
        in ProjectDir\src\AppBundle/resources/views/Page.html.twig line 22

    at Twig_ExpressionParser->getFunctionNodeClass('template_from_string', '22')
        in ProjectDir\vendor\twig\twig\lib\Twig\ExpressionParser.@L_675_3@ line 374

    at Twig_ExpressionParser->getFunctionNode('template_from_string', '22')
        in ProjectDir\vendor\twig\twig\lib\Twig\ExpressionParser.@L_675_3@ line 162

    at Twig_ExpressionParser->parsePriMaryExpression()
        in ProjectDir\vendor\twig\twig\lib\Twig\ExpressionParser.@L_675_3@ line 102

    at Twig_ExpressionParser->getPriMary()
        in ProjectDir\vendor\twig\twig\lib\Twig\ExpressionParser.@L_675_3@ line 55

    at Twig_ExpressionParser->parseExpression()
        in ProjectDir\vendor\twig\twig\lib\Twig\ExpressionParser.@L_675_3@ line 520

    at Twig_ExpressionParser->parseArguments(true)
        in ProjectDir\vendor\twig\twig\lib\Twig\ExpressionParser.@L_675_3@ line 373

    at Twig_ExpressionParser->getFunctionNode('include', '22')
        in ProjectDir\vendor\twig\twig\lib\Twig\ExpressionParser.@L_675_3@ line 162

    at Twig_ExpressionParser->parsePriMaryExpression()
        in ProjectDir\vendor\twig\twig\lib\Twig\ExpressionParser.@L_675_3@ line 102

    at Twig_ExpressionParser->getPriMary()
        in ProjectDir\vendor\twig\twig\lib\Twig\ExpressionParser.@L_675_3@ line 55

    at Twig_ExpressionParser->parseExpression()
        in ProjectDir\vendor\twig\twig\lib\Twig\Parser.@L_675_3@ line 147

    at Twig_Parser->subparse(array(object(Twig_TokenParser_Block), 'decideBlockEnd'), truE)
        in ProjectDir\vendor\twig\twig\lib\Twig\TokenParser\Block.@L_675_3@ line 40

    at Twig_TokenParser_Block->parse(object(Twig_Token))
        in ProjectDir\vendor\twig\twig\lib\Twig\Parser.@L_675_3@ line 190

    at Twig_Parser->subparse(null, falsE)
        in ProjectDir\vendor\twig\twig\lib\Twig\Parser.@L_675_3@ line 103

    at Twig_Parser->parse(object(Twig_TokenStream))
        in ProjectDir\app\cache\dev\classes.@L_675_3@ line 3415

    at Twig_Environment->parse(object(Twig_TokenStream))
        in ProjectDir\app\cache\dev\classes.@L_675_3@ line 3443

    at Twig_Environment->compilesource(object(Twig_sourcE))
        in ProjectDir\app\cache\dev\classes.@L_675_3@ line 3291

    at Twig_Environment->loadTemplate('AppBundle::Page.html.twig')
        in ProjectDir\vendor\symfony\symfony\src\Symfony\Bridge\Twig\TwigENGIne.@L_675_3@ line 126

    at Symfony\Bridge\Twig\TwigENGIne->load('AppBundle::Page.html.twig')
        in ProjectDir\vendor\symfony\symfony\src\Symfony\Bridge\Twig\TwigENGIne.@L_675_3@ line 50

    at Symfony\Bridge\Twig\TwigENGIne->render('AppBundle::Page.html.twig', array('page' => object(PagE), 'ads' => array(object(VertBAnner), object(VertBAnner)), 'slug' => 'direktor'))
        in ProjectDir\vendor\symfony\symfony\src\Symfony\Bundle\TwigBundle\TwigENGIne.@L_675_3@ line 72

    at Symfony\Bundle\TwigBundle\TwigENGIne->render('AppBundle::Page.html.twig', array('page' => object(PagE), 'ads' => array(object(VertBAnner), object(VertBAnner)), 'slug' => 'direktor'))
        in ProjectDir\vendor\symfony\symfony\src\Symfony\Bundle\TwigBundle\TwigENGIne.@L_675_3@ line 103

    at Symfony\Bundle\TwigBundle\TwigENGIne->renderResponse('AppBundle::Page.html.twig', array('page' => object(PagE), 'ads' => array(object(VertBAnner), object(VertBAnner)), 'slug' => 'direktor'), null)
        in ProjectDir\vendor\symfony\symfony\src\Symfony\Bundle\FrameworkBundle\Controller\Controller.@L_675_3@ line 185

    at Symfony\Bundle\FrameworkBundle\Controller\Controller->render('AppBundle::Page.html.twig', array('page' => object(PagE), 'ads' => array(object(VertBAnner), object(VertBAnner)), 'slug' => 'direktor'))
        in ProjectDir\src\AppBundle\Controller\PageController.@L_675_3@ line 35

    at AppBundle\Controller\PageController->getPageAction('direktor')
        in  line 

    at call_user_func_array(array(object(PageController), 'getPageAction'), array('direktor'))
        in ProjectDir\vendor\symfony\symfony\src\Symfony\Component\httpKernel\httpKernel.@L_675_3@ line 144

    at Symfony\Component\httpKernel\httpKernel->handleRaw(object(request), '1')
        in ProjectDir\vendor\symfony\symfony\src\Symfony\Component\httpKernel\httpKernel.@L_675_3@ line 64

    at Symfony\Component\httpKernel\httpKernel->handle(object(request), '1', truE)
        in ProjectDir\vendor\symfony\symfony\src\Symfony\Component\httpKernel\DependencyInjection\ContainerAwarehttpKernel.@L_675_3@ line 69

    at Symfony\Component\httpKernel\DependencyInjection\ContainerAwarehttpKernel->handle(object(request), '1', truE)
        in ProjectDir\vendor\symfony\symfony\src\Symfony\Component\httpKernel\Kernel.@L_675_3@ line 185

    at Symfony\Component\httpKernel\Kernel->handle(object(request))
        in ProjectDir\web\app_dev.@L_675_3@ line 28

    at require('ProjectDir\web\app_dev.@L_675_3@')
        in ProjectDir\vendor\symfony\symfony\src\Symfony\Bundle\FrameworkBundle\resources\config\router_dev.@L_675_3@ line 40

解决方法:

您必须让服务容器知道您的Twig扩展:

# app/config/services.yml
acme.twig.extension.loader:
    class:        Twig_Extension_StringLoader
    tags:
         - { name: 'twig.extension' }

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