Laravel 布尔值表单验证存在的问题

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<?php

namespace App\Http\Requests;

class PageRequest extends BaseFormRequest
{
    /**
     * Determine if the user is authorized to make this request.
     *
     * @return bool
     */
    public function authorize(): bool
    {
        return true;
    }

    /**
     * Get the validation rules that apply to the request.
     *
     * @return array
     */
    public function rules(): array
    {
        return [
            'is_published' => 'requied|boolean'
        ]
    }
}
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return [
    'is_published' => 'in: true, false' // 这是一种解决方法
]

问题在于当表单提交 is_published = 'true'，Laravel 会抛出异常 The is published field must be true or false。为什么呢？这大概是类型转换的锅。

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