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PHP Ftp_set_option () function

Syntax:
ftp_set_option ($ftp_connection, $option, $value) 
Parameter:This function takes three parameter as above and described below:
  • $ftp_connection:Required. Indicates an existing FTP connection.
  • $option:required. Specifies a runtime parameter to set for an existing FTP connection. 
    Possible Values ​​$option:
    • FTP_TIMEOUT_SEC: Returns the timeout used for the network.
    • FTP_AUTOSEEK: It is enabled by default. Returns TRUE if this option is enabled, otherwise returns FALSE.
    • FTP_USEPASVADDRESS: If set to FALSE, PHP ignores the IP address returned by the FTP server in response to the PASV command and uses the IP address instead. address as a parameter to the ftp_connect() function.
  • $value:This parameter is required. Specifies the value of the option in the previous parameter.
Returned value:
  • On success:returns TRUE, i.e. the option can be set.
  • On failure:returns FALSE. A warning is also generated.
Notes :
  • This function is available for PHP 4.2.0 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.
Example :  
/ / Connect to FTP server 
// Use 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" ;  
// 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 with // ftp user password $login = ftp_login ( $ftp_connection , $ftp_username , $ftp_userpass ); if ( $login ) { // Success check login echo "
logged in successfully!
"
; // Print setup successfully // for current ftp connection echo ftp_set_option ( $ftp_connection , FTP_TIMEOUT_SEC, 120); } else { echo "
login failed!"
; } // Close connection if (ftp_close ( $ftp_connection )) { echo "
Connection closed Successfully!"
; } }  
?>
Output:
successfully connected to the ftp server! logged in successfully! 1 Connection closed Successfully! 
Link: https://www.php.net/manual/en/function.ftp-set-option.php

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