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Package pop-filter
Short Description Pop Filter Component for Pop PHP Framework
License BSD-3-Clause
Homepage http://www.popphp.org/
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Informations about the package pop-filter
pop-filter
- Overview
- Install
- Quickstart
- Extending
- Excludes
Overview
pop-filter is a component for applying filtering callbacks to values that need to be
consumed by other areas of an application. It can be used for input security as well
general input scrubbing as well.
pop-filter is a component of the Pop PHP Framework.
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Install
Install pop-filter using Composer.
composer require popphp/pop-filterOr, require it in your composer.json file
"require": {
"popphp/pop-filter" : "^4.0.0"
}Top
Quickstart
Simple Filter
If you want to create a simple, single filter and use it to filter some values, you can do this:
The values above have been filtered and had the tags stripped:
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Extending
The Filterable Trait
The component comes with a trait called Pop\Filter\FilterableTrait. If you wish to have the filter
component and its features included in your application, you can create a class that uses this trait.
With it, your class will be able to add filters and call the methods to filter the necessary values.
These filters can either be an instance of Pop\Filter\FilterInterface (e.g., Pop\Filter\Filter)
or a basic callable.
With the above code, you can create a user model, add filters to it and filter values with it:
The values are now filtered and look like:
The tags have been stripped and the entities have been converted to HTML. Notice the
first filter added was the callable strip_tags and the second filter added was an
instance of Pop\Filter\Filter with parameters.
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Excludes
Fine-Grained Control
Two properties are available to the filter method within the Pop\Filter\AbstractFilter class.
They are excludeByName and excludeByType. With them, you can have fine-tuned control over
what values actually get filtered. For example, if you don't want to filter any values named
username, you can do this:
Because of the third parameter in the above constructor, the username is excluded from being
filtered and the values look like this:
The fourth parameter of the filter constructor is $excludeByType and that is useful for
excluding a number of values at once that are all of the same type, for example, textareas
within a form object.
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