What is the purpose of the PHP function "filesize" and what type of input does it expect?

The purpose of the PHP function "filesize" is to retrieve the size of a file in bytes. It expects a string parameter containing the path to the file for which the size needs to be determined. 

$file = 'path/to/file.txt';
$fileSize = filesize($file);
echo "The size of the file is: " . $fileSize . " bytes";

Keywords

PHP function filesize input file size

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