php/yii2
1
0
Fork 0
mirror of https://github.com/yiisoft/yii2.git synced 2025-08-26 14:26:54 +08:00
Code Issues Packages Projects Releases Wiki Activity

added tip about filter validator

Browse Source
This commit is contained in:
Carsten Brandt
2014-12-17 10:29:13 +01:00
parent a739e6fcd2
commit 57bca30e91
1 changed files with 11 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files

12
docs/guide/tutorial-core-validators.md
View File

@ -290,7 +290,17 @@ back to the attribute being validated.
Note that if the filter cannot handle array input, you should set this property to be true. Otherwise some
PHP error might occur.
> Tip: If you want to trim input values, you may directly use [trim](#trim) validator.
> Tip: If you want to trim input values, you may directly use the [trim](#trim) validator.
> Tip: There are many PHP functions that have the signature expected for the `filter` callback.
> For example to apply type casting (using e.g. [intval](http://php.net/manual/en/function.intval.php),
> [boolval](http://php.net/manual/en/function.boolval.php), ...) to ensure a specific type for an attribute,
> you can simply specify the function names of the filter without the need to wrap them in a closure:
>
> ```php
> ['property', 'filter', 'filter' => 'boolval'],
> ['property', 'filter', 'filter' => 'intval'],
> ```
## [[yii\validators\ImageValidator|image]] <a name="image"></a>