Search results for: "output line"

How can PHP developers optimize their code to avoid memory limit issues when using functions like readfile() for downloads?

When using functions like readfile() for downloads in PHP, developers can optimize their code to avoid memory limit issues by using output buffering....

What does the error message "Warning: session_start(): Cannot send session cache limiter - headers already sent" mean in PHP?

The error message "Warning: session_start(): Cannot send session cache limiter - headers already sent" in PHP means that output has been sent to the b...

What are some best practices for troubleshooting header redirect issues in PHP?

Header redirect issues in PHP can often be caused by output being sent to the browser before the header() function is called. To solve this issue, mak...

How can the use of json_encode in PHP be considered a best practice when returning JSON data?

When returning JSON data in PHP, using the json_encode function is considered a best practice because it efficiently converts PHP data structures into...

What potential pitfalls can arise when using echo statements before returning JSON data in PHP?

When using echo statements before returning JSON data in PHP, the potential pitfall is that any output generated by the echo statements will be includ...