What are some alternative methods to headers("Location: ...") for opening and storing file content in PHP?

When using headers("Location: ...") to open and store file content in PHP, the browser is redirected to a new location, which may not be the desired behavior when trying to read and process file content. Instead, you can use file_get_contents() to read the content of a file and store it in a variable for further processing.

// Read the content of a file and store it in a variable
$file_content = file_get_contents('path/to/file.txt');

// Output the file content
echo $file_content;