How to solve iis php 500 error problem

iis php500 error solution: 1. Open [PHP.ini] and set the display error; 2. Change [require(./xxx.php)] to [require(xxx.php)]; 3. Give the iis user read permission to the upper-level directory of the website.

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The operating environment of this tutorial: Windows 7 system, PHP version 5.6, This method works for all brands of computers.

IIS configuration PHP environment HTTP 500 error handling method

After IIS uses FastCGI to configure PHP, HTTP 500 errors often occur when writing PHP programs

HTTP 500 (Internal Server Error): The server encountered an unexpected condition while trying to perform the request. After some research, I found that PHP did not turn on error prompts, so IIS could not handle PHP's syntax errors, etc., so any errors would display HTTP 500 errors.

The solution is very simple, open PHP.ini, set the display error

display_errors = On

Then open IIS and restart FastCGI.

HTTP 500 Server internal error. The reason for this problem is that statements such as require(./xxx.php) are used in the index.php files of programs such as phpmyadmin and wordpress. It is usually a file or database permission issue.

The solution is to change require(./xxx.php) inside to require(xxx.php).

Solution 2: Give the iis user read permissions to the upper-level directory of the website.

An ASP.NET setting that does not apply in integrated hosting pipeline mode was detected.

Open IIS Manager, select Application Pool - your website application pool (created by yourself) - click "Set Application Pool Default Settings" on the right, open, in General, Set "Enable 32-bit applications" to "True", change the "Managed Pipeline Mode" to Classic, and finally click "OK" and everything is OK.

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