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How to get a file size in PHP

Hello guys today we are going to write a PHP program to get the size of a file.

<?php
$myfile = fopen("/home/students/ppp.txt", "w") or die("Unable to open file!");
$txt = "PHP Exercises\n"; fwrite($myfile, $txt);
$txt = "from\n"; fwrite($myfile,$txt);
$txt = "hello World\n"; fwrite($myfile, $txt); fclose($myfile);
echo "Size of the file".filesize("/home/students/ppp.txt")."\n";
?>
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