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smarty/docs/designers/language-builtin-functions/language-function-while.md
Simon Wisselink 1da30e76e8 Documented support for is in, added support for is not in. (#955)
* Documented support for `is in`, added support for `is not in`.
Fixes #937
* minor docs improvement
2024-03-25 13:54:02 +01:00

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Markdown

# {while}
`{while}` loops in Smarty have much the same flexibility as PHP
[while](https://www.php.net/while) statements, with a few added features for
the template engine. Every `{while}` must be paired with a matching
`{/while}`. All [operators](../language-basic-syntax/language-syntax-operators.md) are recognized, such as *==*,
*\|\|*, *or*, *&&*, *and*, etc and you can use modifiers as functions, such as *is_array()*.
## Examples
```smarty
{while $foo > 0}
{$foo--}
{/while}
```
The above example will count down the value of $foo until 1 is reached.
See also [`{foreach}`](./language-function-foreach.md),
[`{for}`](./language-function-for.md) and
[`{section}`](./language-function-section.md).