500 Internal Server Error for php file not for html

Question

My site having 4-5 static pages only  index html  amp  index php both are there  index html is working fine  If I change to index php  it s giving 500 Internal Server Error  I don t know where is my mistake   Note   If I use  htaccess file with php flag display errors 1   It s showing Additionally  a 500 Internal Server Error error was encountered while trying to use an ErrorDocument to handle the request   If I use  htaccess file with empty   It s showing Additionally  a 404 Not Found error was encountered while trying to use an ErrorDocument to handle the request   And if I give    contact-us php  it s showing correctly   Thanks

User · Answer

A PHP file must have permissions set to 644  Any folder containing PHP files and PHP access  to upload files  for example  must have permissions set to 755  PHP will run a 500 error when dealing with any file or folder that has permissions set to 777

User · Answer

It was changing the line endings  from Windows CRLF to Unix LF  in the  htaccess file that fixed it for me

User · Answer

I know this question is old  however I ran into this problem on Windows 8 1 while trying to use  htaccess files for rewriting  My solution was simple  I forgot to modify the following line in httpd conf   LoadModule rewrite module modules mod rewrite so   to  LoadModule rewrite module modules mod rewrite so   Restarted the apache monitor  now all works well  Just posting this as an answer because someone in the future may run across the same issue with a simple fix   Good luck

User · Answer

500 Internal Server Error is shown if your php code has fatal errors but error displaying is switched off  You may try this to see the error itself instead of 500 error page   In your php file   ini set  display errors   1     In  htaccess file   php flag display errors 1

User · Answer

I was having this problem because I was trying to connect to MySQL but I didn t have the required package  I figured it out because of  Amadan s comment to check the error log  In my case  I was having the error  Call to undefined function mysql connect    If your PHP file has any code to connect with a My-SQL db then you might need to install php5-mysql first  I was getting this error because I hadn t installed it  All my file permissions were good  In Ubuntu  you can install it by the following command   sudo apt-get install php5-mysql

User · Answer

Google guides me here but it didn t fix mine  this is a very general question and there are various causes  so I post my problem and solution here for reference in case anyone might read this later   Another possible cause of 500 error is syntax error in header      function  like this one   header   SERVER  SERVER PROTOCOL      200 OK      Be aware there should be space between server protocol and status code  so it should be   header   SERVER  SERVER PROTOCOL       200 OK      So I suggest check your http header call if you have it in your code

[php] 500 Internal Server Error for php file not for html

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