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smarty/docs/programmers/api-variables/variable-php-handling.md
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\$php\_handling {#variable.php.handling}
===============
This tells Smarty how to handle PHP code embedded in the templates.
There are four possible settings, the default being
`Smarty::PHP_PASSTHRU`. Note that this does NOT affect php code within
[`{php}{/php}`](#language.function.php) tags in the template.
- `Smarty::PHP_PASSTHRU` - Smarty echos tags as-is.
- `Smarty::PHP_QUOTE` - Smarty quotes the tags as html entities.
- `Smarty::PHP_REMOVE` - Smarty removes the tags from the templates.
- `Smarty::PHP_ALLOW` - Smarty will execute the tags as PHP code.
> **Note**
>
> Embedding PHP code into templates is highly discouraged. Use [custom
> functions](#plugins.functions) or [modifiers](#plugins.modifiers)
> instead.