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is_writable

is_writable

Tells whether the filename is writable

bool **is_writable** string $filename

Returns true if the exists and is writable. The filename argument may be a directory name allowing you to check if a directory is writable. filename

Keep in mind that PHP may be accessing the file as the user id that the web server runs as (often 'nobody').

filenameThe filename being checked.

Returns true if the exists and is writable.
filename

Voorbeeld: example

<?php
$filename = 'test.txt';
if (is_writable($filename)) {
    echo 'The file is writable';
} else {
    echo 'The file is not writable';
}
?>

is_readable``file_exists``fwrite

Vorige ← is_uploaded_file Volgende is_writeable →

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