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
parent d504f8a05d
commit 0a669704ea
598 changed files with 27139 additions and 474 deletions
@@ -0,0 +1,99 @@
+# {math}
+
+`{math}` allows the template designer to do math equations in the
+template.
+
+## Attributes
+
+| Attribute Name | Required | Description                                      |
+|----------------|----------|--------------------------------------------------|
+| equation       | Yes      | The equation to execute                          |
+| format         | No       | The format of the result (sprintf)               |
+| var            | Yes      | Equation variable value                          |
+| assign         | No       | Template variable the output will be assigned to |
+| \[var \...\]   | Yes      | Equation variable value                          |
+
+-   Any numeric template variables may be used in the equations, and the
+    result is printed in place of the tag.
+
+-   The variables used in the equation are passed as parameters, which
+    can be template variables or static values.
+
+-   +, -, /, \*, abs, ceil, cos, exp, floor, log, log10, max, min, pi,
+    pow, rand, round, sin, sqrt, srans and tan are all valid operators.
+    Check the PHP documentation for further information on these
+    [math](https://www.php.net/eval) functions.
+
+-   If you supply the `assign` attribute, the output of the `{math}`
+    function will be assigned to this template variable instead of being
+    output to the template.
+
+> **Note**
+>
+> `{math}` is an expensive function in performance due to its use of the
+> php [`eval()`](https://www.php.net/eval) function. Doing the math in PHP
+> is much more efficient, so whenever possible do the math calculations
+> in the script and [`assign()`](../../programmers/api-functions/api-assign.md) the results to the
+> template. Definitely avoid repetitive `{math}` function calls, eg
+> within [`{section}`](../language-builtin-functions/language-function-section.md) loops.
+
+## Examples
+
+**Example 1**
+```smarty
+
+{* $height=4, $width=5 *}
+
+{math equation="x + y" x=$height y=$width}
+```
+      
+The above example will output:
+
+```
+9
+```
+
+
+**Example 2**
+
+```smarty
+{* $row_height = 10, $row_width = 20, #col_div# = 2, assigned in template *}
+
+{math equation="height * width / division"
+    height=$row_height
+    width=$row_width
+    division=#col_div#}
+```
+
+The above example will output:
+
+```
+100
+```
+      
+**Example 3**
+
+```smarty
+{* you can use parenthesis *}
+
+{math equation="(( x + y ) / z )" x=2 y=10 z=2}
+```
+
+The above example will output:
+
+```
+6
+```
+
+**Example 4**
+
+```smarty
+{* you can supply a format parameter in sprintf format *}
+
+{math equation="x + y" x=4.4444 y=5.0000 format="%.2f"}
+```     
+      
+The above example will output:
+```
+9.44
+```