How to redirect error in PHP?
In php you don’t redirect when there is an error in the code, you simply catch that error and then you take whatever actions you consider necessary. In order to catch the errors in the code, you must define a custom error handler, using set_error_handler.
Why redirect not working in PHP?
The root cause of this error is that php redirect header must be send before anything else. This means any space or characters sent to browser before the headers will result in this error. Like following example, there should not be any output of even a space before the headers are sent.
How do I redirect in PHP?
Answer: Use the PHP header() Function You can simply use the PHP header() function to redirect a user to a different page. The PHP code in the following example will redirect the user from the page in which it is placed to the URL http://www.example.com/another-page.php . You can also specify relative URLs.
What is shell_ exec in PHP?
The shell_exec() function is an inbuilt function in PHP which is used to execute the commands via shell and return the complete output as a string. The shell_exec is an alias for the backtick operator, for those used to *nix. If the command fails return NULL and the values are not reliable for error checking.
How do I redirect an error page?
How to redirect 404 error page to homepage in WordPress
- In Tools > Redirection > Add new redirection.
- In the Source URL box, type or paste the broken/old/altered URL.
- In the Target URL box, type or paste the new URL.
- Opt for URL and referrer in the match drop down.
- In the Action box, chose Redirect to URL.
How do I redirect to another page in PHP w3schools?
Redirecting Browser You can redirect your user to some other page. php header(“Location: http://www.example.com/”);?> The following command will redirect the browser window to the given location as soon as the command is executed.
What is difference between exec and shell_exec?
4 Answers. shell_exec returns all of the output stream as a string. exec returns the last line of the output by default, but can provide all output as an array specifed as the second parameter.