我已经创建了一个自定义验证规则
namespace App\Rules;
use Illuminate\Contracts\Validation\Rule;
use Exception;
class ValidFoo implements Rule
{
/**
* Determine if the validation rule passes.
*
* @param string $attribute
* @param mixed $value
* @return bool
*/
public function passes(string $attribute, $value): bool
{
if (!$foo) {
return false;
}
return true;
}
/**
* Get the validation error message.
*
* @return string
*/
public function message(): string
{
return 'The foo you \'ve provided is not valid.';
}
}
然而,当我尝试提交表单时,我得到了这个错误
Symfony\Component\Debug\Exception\FatalErrorException (E_UNKNOWN)
Declaration of App\Rules\ValidFoo::passes(string $attribute, $value): bool must be compatible with Illuminate\Contracts\Validation\Rule::passes($attribute, $value)
这是Laravel的规则界面
namespace Illuminate\Contracts\Validation;
interface Rule
{
/**
* 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();
}
发布于 2018-06-01 05:20:07
namespace App\Rules;
use Illuminate\Contracts\Validation\Rule;
use Exception;
class ValidFoo implements Rule
{
/**
* Determine if the validation rule passes.
*
* @param string $attribute
* @param mixed $value
* @return bool
*/
public function passes($attribute, $value)
{
if (!$foo) {
return false;
}
return true;
}
/**
* Get the validation error message.
*
* @return string
*/
public function message(): string
{
return 'The foo you \'ve provided is not valid.';
}
}
这是一个已更正的类。出现错误是因为您使用了类型命中,但接口没有使用类型提示
https://stackoverflow.com/questions/50632759
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