How to use filesize function

php filesize() function is used to obtain the file size.

php filesize() function Syntax

Function: Return the size of the specified file.

Syntax:

filesize(filename)

Parameters:

filename Required. Specifies the documents to be checked.

Description: If successful, the number of bytes of the file size is returned. On failure, returns false and generates an E_WARNING level error.

php filesize() function example

<?php
$file = filesize("./test.txt");
echo $file;
?>

Output:

51

This article is an introduction to the PHP filesize function. I hope it will be helpful to friends in need!

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