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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+# {if},{elseif},{else}
+
+`{if}` statements in Smarty have much the same flexibility as PHP
+[if](https://www.php.net/if) statements, with a few added features for the
+template engine. Every `{if}` must be paired with a matching `{/if}`.
+`{else}` and `{elseif}` are also permitted. All PHP conditionals and
+functions are recognized, such as *\|\|*, *or*, *&&*, *and*,
+*is_array()*, etc.
+
+If security is enabled, only PHP functions from `$php_functions` property
+of the security policy are allowed. See the
+[Security](../../programmers/advanced-features/advanced-features-security.md) section for details.
+
+The following is a list of recognized qualifiers, which must be
+separated from surrounding elements by spaces. Note that items listed in
+\[brackets\] are optional. PHP equivalents are shown where applicable.
+
+## Qualifiers
+
+| Qualifier          | Alternates | Syntax Example       | Meaning                        | PHP Equivalent     |
+|--------------------|------------|----------------------|--------------------------------|--------------------|
+| ==                 | eq         | $a eq $b             | equals                         | ==                 |
+| !=                 | ne, neq    | $a neq $b            | not equals                     | !=                 |
+| >                  | gt         | $a gt $b             | greater than                   | >                  |
+| <                  | lt         | $a lt $b             | less than                      | <                  |
+| >=                 | gte, ge    | $a ge $b             | greater than or equal          | >=                 |
+| <=                 | lte, le    | $a le $b             | less than or equal             | <=                 |
+| ===                |            | $a === 0             | check for identity             | ===                |
+| !                  | not        | not $a               | negation (unary)               | !                  |
+| %                  | mod        | $a mod $b            | modulo                         | %                  |
+| is \[not\] div by  |            | $a is not div by 4   | divisible by                   | $a % $b == 0       |
+| is \[not\] even    |            | $a is not even       | \[not\] an even number (unary) | $a % 2 == 0        |
+| is \[not\] even by |            | $a is not even by $b | grouping level \[not\] even    | ($a / $b) % 2 == 0 |
+| is \[not\] odd     |            | $a is not odd        | \[not\] an odd number (unary)  | $a % 2 != 0        |
+| is \[not\] odd by  |            | $a is not odd by $b  | \[not\] an odd grouping        | ($a / $b) % 2 != 0 |
+
+## Examples
+```smarty
+{if $name eq 'Fred'}
+    Welcome Sir.
+{elseif $name eq 'Wilma'}
+    Welcome Ma'am.
+{else}
+    Welcome, whatever you are.
+{/if}
+
+{* an example with "or" logic *}
+{if $name eq 'Fred' or $name eq 'Wilma'}
+   ...
+{/if}
+
+{* same as above *}
+{if $name == 'Fred' || $name == 'Wilma'}
+   ...
+{/if}
+
+
+{* parenthesis are allowed *}
+{if ( $amount < 0 or $amount > 1000 ) and $volume >= #minVolAmt#}
+   ...
+{/if}
+
+
+{* you can also embed php function calls *}
+{if count($var) gt 0}
+   ...
+{/if}
+
+{* check for array. *}
+{if is_array($foo) }
+   .....
+{/if}
+
+{* check for not null. *}
+{if isset($foo) }
+   .....
+{/if}
+
+
+{* test if values are even or odd *}
+{if $var is even}
+   ...
+{/if}
+{if $var is odd}
+   ...
+{/if}
+{if $var is not odd}
+   ...
+{/if}
+
+
+{* test if var is divisible by 4 *}
+{if $var is div by 4}
+   ...
+{/if}
+
+
+{*
+  test if var is even, grouped by two. i.e.,
+  0=even, 1=even, 2=odd, 3=odd, 4=even, 5=even, etc.
+*}
+{if $var is even by 2}
+   ...
+{/if}
+
+{* 0=even, 1=even, 2=even, 3=odd, 4=odd, 5=odd, etc. *}
+{if $var is even by 3}
+   ...
+{/if}
+ 
+{if isset($name) && $name == 'Blog'}
+     {* do something *}
+{elseif $name == $foo}
+    {* do something *}
+{/if}
+
+{if is_array($foo) && count($foo) > 0}
+    {* do a foreach loop *}
+{/if}
+```