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ssbhattarai
ssbhattarai

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Create Custom laravel 8 rule to count the word of the request

Let’s use this command to generate a rule which helps to validate word count.

php artisan make: rule wordCount
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This command will create the file at App/Rules with the name of wordCount.php and initially, it will contain the following code:

<?php
namespace App\Rules;
use Illuminate\Contracts\Validation\Rule;
class WordCount implements Rule
{
/**
* Create a new rule instance.
*
* @return void
*/
public function __construct()
{
//
}
/**
* Determine if the validation rule passes.
*
* @param string $attribute
* @param mixed $value
* @return bool
*/
public function passes($attribute, $value)
{
//
}
/**
* Get the validation error message.
*
* @return string
*/
public function message()
{
return “Your message here.”;
}
}
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Copy and paste the following code for word count validation:

<?php
namespace App\Rules;
use Illuminate\Contracts\Validation\Rule;
class wordCount implements Rule
{
/**
* Create a new rule instance.
*
* @return void
*/
private $attribute;
private $expected;
public function __construct(int $expected)
{
$this->expected = $expected;
}
/**
* Determine if the validation rule passes.
*
* @param string $attribute
* @param mixed $value
* @return bool
*/
public function passes($attribute, $value)
{
$this->attribute = $attribute;
$trimmed = trim($value);
$numWords = count(explode(‘ ‘, $trimmed));
return $numWords >= $this->expected;
}
/**
* Get the validation error message.
*
* @return string
*/
public function message()
{
return ‘The ‘.$this->attribute.’ field must have more than ‘.$this->expected.’ words’;
}
}
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Now let's import the above rule in controller as :

use App\Rules\wordCount;
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And finally used this validation with any request with any minimun length of the request as:

$request->validate([
‘introduction’ => [‘required’, new wordCount(50)],
]);
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here the function wordCount accepts the dynamic argument like i used 50 as minimum wordCount for ‘introduction’ request.

Finally, use in blade as:

<textarea type=”text” name=”introduction” class=”form-control” rows=”4" placeholder=”{{translate(‘Introduction’)}}” required>{{ $member->member->introduction }}</textarea>
@error(‘introduction’)
@enderror
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All done, now it will display the error if it does not satisfy the wordcount like

The introduction field must have more than 50 words.

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Hopes it works for you.

HAPPY CODING!!

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