获取自定义laravel 5.2验证规则中的验证数据

Question

i'm trying to add a validation rule for composite unique in laravel 5.2. every thing worked fine.

'student_id' => 'unique_com:marks,exam_id,' . $data['exam_id']

but when i use it on array data i don't know how to pass the $data['exam_id']

'mark.*.student_id' => 'unique_com:marks,exam_id,(what i can pass here)'

or is there a way to access the validated data inside the extended validation rule.

note: exam_id is the name of the second column in the database table marks,student_id and exam_id should be composite unique.

Answer 1

You can put your validation in a variable first, then iterate in each exam_ids

$validation_rules = [];

$i = 0;
foreach ($exam_ids as $exam_id) {
    $validation_rules['mark.'.$i.'.student_id'] = 'unique_com:marks,exam_id,' . $exam_id;
    $i++;
}