is_readable

Tells whether a file exists and is readable

bool **is_readable** string $filename

Tells whether a file exists and is readable.

filenamePath to the file.

Returns true if the file or directory specified by exists and is readable, false otherwise. filename

Voorbeeld: example

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

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

Opmerking: > The check is done using the real UID/GID instead of the effective one.

This function may return true for directories. Use to distinguish file and directory. is_dir

is_writable``file_exists``fgets

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