<?php
namespace Illuminate\Validation;
use Illuminate\Contracts\Validation\Rule as RuleContract;
class ClosureValidationRule implements RuleContract
{
public $callback;
public $failed = false;
public $message;
/**
* Create a new Closure based validation rule.
*
* @param \Closure $callback
* @return void
*/
public function __construct($callback)
{
$this->callback = $callback;
}We know that in the process of using the language, we will definitely pay attention to the security issues in the actual development process. You need to go to our class library to verify data. Validation of data is the most important habit you can adopt. And when it comes to input, it's very simple: don't trust the user. When validating data to secure PHP, remember that it's often easier to design and validate the values your application allows than to protect against all unknown values.
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