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Tag: php

How to prevent fraud in credit system?

Supposing our accounts table has a column called balance, each transaction is logged in the transactions table. Of course, we should verify there is sufficient funds prior to doing any transactions to sell products. Therefore, for performance purposes we should check the balance column of the user, deduct the…

How to enable error reporting in nginx php config

I have been trying for three days now to enable error reporting in PHP. I have gotten by for a while using the ini_set(‘display errors’ 1); function until I tried to connect to a DB; it didn’t work. Now, I have enabled error_reporting, display_startup_errors, log_errors without any effect on…

XAMPP server 404 Page Not Found

I am trying to reuse a php file for aa assignment. So the following line in index.php gives me the error message: 404 Page Not Found The page you are looking for could not be found. Check the address bar to ensure your URL is spelled correctly. If all else fails, you can visit our homepage at the link below.

Laravel: find if a pivot table record exists

I have two models which are joined by a pivot table, User and Task. I have a user_id and a task_id. What is the neatest way to check whether a record exists for this combination of user and task? Answer You have a couple options depending on your situation. If you already have a User instance and you want to

The usage of `header(“Content-type:application/json”);`

I just created an JQuery ajax function to retrieve some json-encoded data from PHP, here’s my code : file name : bank.php and in data.php I wrote the question is, when I delete the line of header(“Content-type:application/json”); in data.php the console.log tell that the type of data returne…