PHP smarty 变量错误 [英] PHP smarty variable error

问题描述

我有这个错误

注意:未定义变量:LOGO IN C:\WAMP\WWW\SITE\TOOLS\SMARTY\SYSPLUGINS\SMARTY_INTERNAL_DATA.PHP ON LINE 291 CALL STACK"

" NOTICE: UNDEFINED VARIABLE: LOGO IN C:\WAMP\WWW\SITE\TOOLS\SMARTY\SYSPLUGINS\SMARTY_INTERNAL_DATA.PHP ON LINE 291 CALL STACK"

这是我的 PHP 代码

Here is my PHP code

function hookFooter($params)
{
    global $smarty;
    $smarty->assign('ENT_QUOTES', ENT_QUOTES);
    if( file_exists('modules/ebbrandingfooter/logo-footer.jpg')){
        $smarty->assign('logo','modules/ebbrandingfooter/logo-footer.jpg');
    };
    $FOOTERdescription=Configuration::get('FOOTER_DESC');
    $smarty->assign('description',$FOOTERdescription );
    return $this->display(__FILE__, 'ebbrandingfooter.tpl');
}

这里是 TPL

  {if $logo}<img src="{$logo}" />{/if}
  <p>{$description}</p>

任何人都可以帮助我做错什么吗?谢谢！！！

Can anyone help me what I am doing wrong? THX!!!

推荐答案

您可以修改 PHP 代码以确保设置了 $logo，例如:

You could modify your PHP code to ensure that $logo is set, e.g:

function hookFooter($params)
{
    global $smarty;
    $smarty->assign('ENT_QUOTES', ENT_QUOTES);
    if( file_exists('modules/ebbrandingfooter/logo-footer.jpg')){
        $smarty->assign('logo','modules/ebbrandingfooter/logo-footer.jpg');
    } else {
        $smarty->assign('logo', null);
    }
    $FOOTERdescription=Configuration::get('FOOTER_DESC');
    $smarty->assign('description',$FOOTERdescription );
    return $this->display(__FILE__, 'ebbrandingfooter.tpl');
}

另请注意，在 } 之后不需要分号.

Also note that after a } you don't need a semicolon.

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