Dev-Umgebung: Kompatibilität für PHP 8.3 + Smarty 4.5.6

- Smarty 4.1.1 → 4.5.6 (behebt dynamic property deprecations) - Core-Klassen: #[\AllowDynamicProperties] für Admin_role, base, Config, Customer, Customer_group, CustomerGroups, Item, Structure, website - website.class.php: counts[parent_id] initialisieren vor ++ (PHP 8.1) - layout.class.php: HTTP_ACCEPT_LANGUAGE mit isset-Guard - website_init.php: session_status()-Check vor session_start - .htaccess: HTTPS-Redirect via X-Forwarded-Proto (statt SERVER_PORT) - themes/easyshop_advanced/media/: Parent-Theme-Assets nachgezogen - .gitignore: smarty.4.1.1.bak ausschließen
2026-04-20 01:19:01 +02:00
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+# {eval}
+
+`{eval}` is used to evaluate a variable as a template. This can be used
+for things like embedding template tags/variables into variables or
+tags/variables into config file variables.
+
+## Attributes
+
+| Attribute Name | Required | Description                                          |
+|----------------|----------|------------------------------------------------------|
+| var            | Yes      | Variable (or string) to evaluate                     |
+| assign         | No       | The template variable the output will be assigned to |
+
+If you supply the `assign` attribute, the output of the `{eval}`
+function will be assigned to this template variable instead of being
+output to the template.
+
+> **Note**
+>
+> -   Evaluated variables are treated the same as templates. They follow
+>     the same escapement and security features just as if they were
+>     templates.
+>
+> -   Evaluated variables are compiled on every invocation, the compiled
+>     versions are not saved! However, if you have [caching](../../programmers/caching.md)
+>     enabled, the output will be cached with the rest of the template.
+>
+> -   If the content to evaluate doesn't change often, or is used
+>     repeatedly, consider using
+>     `{include file="string:{$template_code}"}` instead. This may cache
+>     the compiled state and thus doesn't have to run the (comparably
+>     slow) compiler on every invocation.
+
+## Examples
+
+The contents of the config file, `setup.conf`.
+
+```ini
+emphstart = <strong>
+emphend = </strong>
+title = Welcome to {$company}'s home page!
+ErrorCity = You must supply a {#emphstart#}city{#emphend#}.
+ErrorState = You must supply a {#emphstart#}state{#emphend#}.
+```
+
+Where the template is:
+
+```smarty
+{config_load file='setup.conf'}
+
+{eval var=$foo}
+{eval var=#title#}
+{eval var=#ErrorCity#}
+{eval var=#ErrorState# assign='state_error'}
+{$state_error}
+```
+      
+The above template will output:
+
+```html
+This is the contents of foo.
+Welcome to Foobar Pub & Grill's home page!
+You must supply a <strong>city</strong>.
+You must supply a <strong>state</strong>.
+```
+
+This outputs the server name (in uppercase) and IP. The assigned
+variable `$str` could be from a database query.
+
+```php
+<?php
+    $str = 'The server name is {$smarty.server.SERVER_NAME|upper} '
+           .'at {$smarty.server.SERVER_ADDR}';
+    $smarty->assign('foo',$str);
+```
+
+Where the template is:
+
+```smarty
+{eval var=$foo}
+```