How to Validate on Max File Size in Laravel

Question

I m trying to validate on a max file size of 500kb in Laravel     validator   Validator  make  request- gt all           file    gt   size 500         But this says that the file should be exactly 500kb big  How can I edit this rule so that it returns an error when it s bigger than 500kb    Ive tried this     file    gt   size  gt  500   file     gt   size max 500    The documentation says nothing about this       size value      The field under validation must have a size matching the given value    For string data  the value corresponds to the number of characters  For   numeric data  the value corresponds to a given integer value  For files    size corresponds to the file size in kilobytes

User · Accepted Answer

According to the documentation    validator   Validator  make  request- gt all           file    gt   max 500000         The value is in kilobytes  I e  max 10240   max 10 MB

User · Answer

Edit  Warning  This answer worked on my XAMPP OsX environment  but when I deployed it to AWS EC2 it did NOT prevent the upload attempt   I was tempted to delete this answer as it is WRONG But instead I will explain what tripped me up  My file upload field is named  upload  so I was getting  The upload failed to upload    This message comes from this line in validation php   in resources lang en validaton php    uploaded                gt   The  attribute failed to upload     And this is the message displayed when the file is larger than the limit set by PHP   I want to over-ride this message  which you normally can do by passing a third parameter  messages array to Validator  make   method   However I can t do that as I am calling the POST from a React Component  which renders the form containing the csrf field and the upload field   So instead  as a super-dodgy-hack  I chose to get into my view that displays the messages and replace that specific message with my friendly  file too large  message   Here is what works if the file to smaller than the PHP file size limit   In case anyone else is using Laravel FormRequest class  here is what worked for me on Laravel 5 7   This is how I set a custom error message and maximum file size   I have an input field  lt input type  file  name  upload  gt   Note the CSRF token is required also in the form  google laravel csrf field for what this means     lt  php namespace App Http Requests  use Illuminate Foundation Http FormRequest  class Upload extends FormRequest                 public function rules         return          upload    gt   required file max 8192                public function messages           return                      upload required    gt   You must use the  Choose file  button to select which file you wish to upload          upload max    gt   Maximum file size to upload is 8MB  8192 KB   If you are uploading a photo  try to reduce its resolution to make it under 8MB

[php] How to Validate on Max File Size in Laravel?

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