Search results for: "carriage returns"

What are some functions in PHP that can help with checking headers?

When working with headers in PHP, it's important to be able to check the headers that have been sent or received. This can be useful for debugging pur...

What is the purpose of using $_SERVER['HTTP_REFERER'] in PHP and what are the potential reasons for it to return empty?

The purpose of using $_SERVER['HTTP_REFERER'] in PHP is to retrieve the URL of the page that referred the user to the current page. This can be useful...

What are the differences between using exec() and passthru() functions in PHP when executing external commands?

When executing external commands in PHP, the main difference between using exec() and passthru() functions lies in how they handle the output of the c...

How can an onSubmit event in JavaScript be utilized to check if a checkbox is checked before submitting a form?

To utilize an onSubmit event in JavaScript to check if a checkbox is checked before submitting a form, you can create a function that checks the state...

What are some best practices for debugging mysqli queries in PHP to ensure proper execution and error handling?

Issue: When debugging mysqli queries in PHP, it is important to properly handle errors that may occur during query execution to ensure the query runs...