What alternative methods can be used to check for the existence of a file with spaces in its name in PHP, especially when file_exist does not work as expected?

When using file_exist() in PHP to check for the existence of a file with spaces in its name, the function might not work as expected due to how it handles spaces. One alternative method to check for the existence of a file with spaces in its name is to use the is_file() function in combination with the file_exists() function. This approach allows for a more accurate check for the existence of files with spaces in their names.

$filename = 'file with spaces.txt';

if (file_exists($filename) || is_file($filename)) {
    echo "File with spaces exists.";
} else {
    echo "File with spaces does not exist.";
}