nshop/config/purify.php

<?php

use Webkul\Core\Purifier\Definitions\ExtendedHtml5Definition;

return [

    /*
    |--------------------------------------------------------------------------
    | Default Config
    |--------------------------------------------------------------------------
    |
    | This option defines the default config that is provided to HTMLPurifier.
    |
    */

    'default' => 'default',

    /*
    |--------------------------------------------------------------------------
    | Config sets
    |--------------------------------------------------------------------------
    |
    | Here you may configure various sets of configuration for differentiated use of HTMLPurifier.
    | A specific set of configuration can be applied by calling the "config($name)" method on
    | a Purify instance. Feel free to add/remove/customize these attributes as you wish.
    |
    | Documentation: http://htmlpurifier.org/live/configdoc/plain.html
    |
    |   Core.Encoding               The encoding to convert input to.
    |   HTML.Doctype                Doctype to use during filtering.
    |   HTML.Allowed                The allowed HTML Elements with their allowed attributes.
    |   HTML.ForbiddenElements      The forbidden HTML elements. Elements that are listed in this
    |                               string will be removed, however their content will remain.
    |   CSS.AllowedProperties       The Allowed CSS properties.
    |   AutoFormat.AutoParagraph    Newlines are converted in to paragraphs whenever possible.
    |   AutoFormat.RemoveEmpty      Remove empty elements that contribute no semantic information to the document.
    |
    */

    'configs' => [

        'default' => [
            'Core.Encoding'            => 'utf-8',
            'HTML.Doctype'             => 'HTML 4.01 Transitional',
            'HTML.Allowed'             => 'h1,h2,h3,h4,h5,h6,b,u,strong,i,em,s,del,a[href|title],ul,ol,li,p[style],br,span[style],img[width|height|alt|src],blockquote',
            'HTML.ForbiddenElements'   => '',
            'CSS.AllowedProperties'    => 'font,font-size,font-weight,font-style,font-family,text-decoration,padding-left,color,background-color,text-align',
            'AutoFormat.AutoParagraph' => false,
            'AutoFormat.RemoveEmpty'   => false,
        ],
    ],

    /*
    |--------------------------------------------------------------------------
    | HTMLPurifier definitions
    |--------------------------------------------------------------------------
    |
    | Here you may specify a class that augments the HTML definitions used by
    | HTMLPurifier. Additional HTML5 definitions are provided out of the box.
    | When specifying a custom class, make sure it implements the interface:
    |
    |   \Stevebauman\Purify\Definitions\Definition
    |
    | Note that these definitions are applied to every Purifier instance.
    |
    | Documentation: http://htmlpurifier.org/docs/enduser-customize.html
    |
    */

    'definitions' => ExtendedHtml5Definition::class,

    /*
    |--------------------------------------------------------------------------
    | HTMLPurifier CSS definitions
    |--------------------------------------------------------------------------
    |
    | Here you may specify a class that augments the CSS definitions used by
    | HTMLPurifier. When specifying a custom class, make sure it implements
    | the interface:
    |
    |   \Stevebauman\Purify\Definitions\CssDefinition
    |
    | Note that these definitions are applied to every Purifier instance.
    |
    | CSS should be extending $definition->info['css-attribute'] = values
    | See HTMLPurifier_CSSDefinition for further explanation
    |
    */

    'css-definitions' => null,

    /*
    |--------------------------------------------------------------------------
    | Serializer
    |--------------------------------------------------------------------------
    |
    | The storage implementation where HTMLPurifier can store its serializer files.
    | If the filesystem cache is in use, the path must be writable through the
    | storage disk by the web server, otherwise an exception will be thrown.
    |
    */

    'serializer' => [
        'driver' => env('CACHE_STORE', env('CACHE_DRIVER', 'file')),
        'cache'  => \Stevebauman\Purify\Cache\CacheDefinitionCache::class,
    ],

    // 'serializer' => [
    //    'disk' => env('FILESYSTEM_DISK', 'local'),
    //    'path' => 'purify',
    //    'cache' => \Stevebauman\Purify\Cache\FilesystemDefinitionCache::class,
    // ],

];