Notice: Undefined variable From the vast wisdom of the PHP Manual: Relying on the default value of an uninitialized variable is problematic in the case of including one file into another which uses the same variable name. It is also a major security risk with register_globals turned on. E_NOTICE level error is issued in case of working with uninitialized variables, however not … Read more
I have set up PHP, MySQL, and Apache. localhost() for PHP and it is working well. But after I downloaded MySQL, it reports: Fatal error: Call to undefined function mysql_connect() How can I fix this?
Yes, you would use the header function. It is a good practice to call exit() right after it so that code below it does not get executed. Also, from the documentation: Remember that header() must be called before any actual output is sent, either by normal HTML tags, blank lines in a file, or from PHP. It is a … Read more
I was having “(…) unable to handle this request. http error 500” and found out it was from a require_once that was working locally, on a windows machine, with backslash (\) as separator for directories but when i uploaded to my server it stopped working. I changed it to forward slash (/) and now is ok.
You could use Javascript:
No output before sending headers! Functions that send/modify HTTP headers must be invoked before any output is made. summary ⇊ Otherwise the call fails: Warning: Cannot modify header information – headers already sent (output started at script:line) Some functions modifying the HTTP header are: header / header_remove session_start / session_regenerate_id setcookie / setrawcookie Output can … Read more
In my case it was – no disk space left on the web server.
Your regex should work ‘as-is’. Assuming that it is doing what you want it to. This means match wordA followed by 0 or more spaces followed by wordB, but do not match if followed by wordc. Note the single space between ?! and wordc which means that wordA wordB wordc will not match, but wordA wordB wordc will. Here are some example matches and the associated replacement output: Note … Read more
No output before sending headers! Functions that send/modify HTTP headers must be invoked before any output is made. summary ⇊ Otherwise the call fails: Warning: Cannot modify header information – headers already sent (output started at script:line) Some functions modifying the HTTP header are: header / header_remove session_start / session_regenerate_id setcookie / setrawcookie Output can … Read more
This is because you are counting on ‘NULL’, Try it like this: