What is the significance of using ftp_chdir() to check for directory existence in PHP?

Using ftp_chdir() to check for directory existence in PHP is significant because it allows us to determine if a directory exists on a remote FTP server before attempting to perform any operations on it. This helps prevent errors and ensures that our code only interacts with existing directories. 

<?php
$ftp_server = 'ftp.example.com';
$ftp_user = 'username';
$ftp_pass = 'password';
$directory = '/path/to/directory';

$conn_id = ftp_connect($ftp_server);
$login_result = ftp_login($conn_id, $ftp_user, $ftp_pass);

if ($login_result) {
    if (ftp_chdir($conn_id, $directory)) {
        echo 'Directory exists.';
    } else {
        echo 'Directory does not exist.';
    }
} else {
    echo 'Failed to connect to FTP server.';
}

ftp_close($conn_id);
?>

Keywords

ftp_chdir directory existence PHP FTP functions error handling

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