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PHP Quiz PHP CertificatePHP ftp_cdup() Function
Complete PHP FTP Reference
Definition and Usage
The ftp_cdup() function changes the current directory to the parent directory (one step up).
This function returns TRUE on success and FALSE on failure.
Syntax
ftp_cdup(ftp_connection)
| Parameter | Description |
|---|---|
| ftp_connection | Required. Specifies the FTP connection to use |
Example
<?php
$conn = ftp_connect("ftp.testftp.com") or die("Could not connect");
ftp_login($conn,"admin","ert456");
//Outputs the current directory
echo "Dir: ".ftp_pwd($conn);
echo "<br />";
//Change to the images directory
ftp_chdir($conn,"images");
echo "Dir: ".ftp_pwd($conn);
echo "<br />";
//Change current directory to parent directory
ftp_cdup($conn);
echo "Dir: ".ftp_pwd($conn);
ftp_close($ftp_server);
?>
$conn = ftp_connect("ftp.testftp.com") or die("Could not connect");
ftp_login($conn,"admin","ert456");
//Outputs the current directory
echo "Dir: ".ftp_pwd($conn);
echo "<br />";
//Change to the images directory
ftp_chdir($conn,"images");
echo "Dir: ".ftp_pwd($conn);
echo "<br />";
//Change current directory to parent directory
ftp_cdup($conn);
echo "Dir: ".ftp_pwd($conn);
ftp_close($ftp_server);
?>
The output of the code above will be:
Dir: /
Dir: /images
Dir: /
Dir: /images
Dir: /
Complete PHP FTP Reference
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