Syntax

int ftruncate(file_handle,length)

• ftruncate function truncates the file content with the given length.
• And it returns the truncated file size.

Code

<?php
$file1=fopen("bb.txt","r");
echo "file size is ".filesize("bb.txt");
ftruncate($file1,100);
echo "<br>now the file size is ".filesize("bb.txt");
?>

Output

file size is 300
now the file size is 200

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