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PHP ftp_size () function


Syntax:
ftp_size ($ftp_connection, $file_name); 
Parameter:This function takes two parameters as above and described below:
  • $ftp_connection:required parameter. It specifies a pre-existing FTP connection to use where the file exists.
  • $file_name:Required. It points to a file or path to a file on the remote server, i.e. on the FTP server.
Returned value:returns the file size on success or -1 on error.Notes :
  • All FTP servers do not support this feature.
  • This feature is available in PHP 4.0.0 and above.
  • The following examples cannot be run in the online IDE. So try running PHP on some hosting server or localhost with the correct ftp server name.
Below are examples to illustrate the ftp_size() function in PHP:Example 1:  
// Connect to the FTP server 
// Using the correct FTP server $ftp_server = "localhost" ;  
// Use correct ftp username $ftp_username = "user" ;  
// Use correct FTP password matching
// to the ftp username $ftp_userpass = "user" ;  
// File name or path for uploading to FTP server $file = "shiva.jpg" ;  
// Setting up ftp connection $ftp_connection = ftp_connect ( $ftp_server ) or die ( "Could not connect to $ftp_server" ); if ( $ftp_connection ) { echo "successfully connected to the ftp server!" ; // Login to the established connection // ftp user password $login = ftp_login ( $ftp_connection , $ftp_username , $ftp_userpass ); if ( $login ) { // Success check login echo "
logged in successfully! "
; // File size using ftp_size(). $file_size = ftp_size ( $ftp_connection , $file ); if ( $file_size ! = -1) { echo "
$file is $file_size bytes. "
; } else { echo "
Error getting file size."
; } } else { echo "
login failed!"
; } // echo ftp_get_option ($ftp_connection, 1); // Close the connection if (ftp_close ( $ftp_connection )) { echo "
Connection closed Successfully!"
; } }  
?>
Output: Example 2: Connect to the ftp server using port number 21.  
// Connect to the FTP server 
// Using the correct FTP server $ftp_server = "localhost" ;  
// Use correct ftp username $ftp_username = "user" ;  
// Use correct FTP password matching
// to the ftp username $ftp_userpass = "user" ;  
// File name or path for uploading to FTP server $file = "shiva.jpg" ;  
// Setting up ftp connection $ftp_connection = ftp_connect ( $ftp_server , 21) or die ( "Could not connect to $ftp_server" ); if ( $ftp_connection ) { echo "successfully connected to the ftp server!" ; // Login to the established connection // ftp user password $login = ftp_login ( $ftp_connection , $ftp_username , $ftp_userpass ); if ( $login ) { // Success check login echo "
logged in successfully! "
; // File size using ftp_size(). $file_size = ftp_size ( $ftp_connection , $file ); if ( $file_size ! = -1) { echo "
$file is $file_size bytes. "
; } else { echo "
Error getting file size."
; } } else { echo "
login failed!"
; } // echo ftp_get_option ($ftp_connection, 1); // Close the connection if (ftp_close ( $ftp_connection )) { echo "
Connection closed Successfully!"
; } }  
?>
Output: Link: https://www.php.net/manual/en/function.ftp-size.php

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