Syntax for PHP is_writable Function
bool is_writable(file_name)

• It states whether the given file is a writable file or not.

Code
<?php
    $a=is_writable("c:/rose1/ram.txt");
    if ($a)
       echo "file is writable ";
    else
       echo "file ss not writable ";
?>

Output
file is writable

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