get file size in php

1$file = '/path/to/your/file';
2$filesize = filesize($file); // bytes
3$filesize = round($filesize / 1024 / 1024, 1); // megabytes with 1 digit
4 
5echo "The size of your file is $filesize MB.";
6

1$fileSizeInBytes=filesize("/path/to/myfile.txt"); 

1$file = '/path/to/your/file';
2$filesize = filesize($file);
3 
4echo "The size of your file is $filesize bytes.";
5

1$img = get_headers("file URL", 1);
2echo $img["Content-Length"];