How can different PHP versions impact the functionality of FTP-related functions like ftp_mlsd?

Different PHP versions may have varying levels of support for FTP-related functions like ftp_mlsd. To ensure consistent functionality across different PHP versions, it is recommended to check for the existence of the function before using it. This can be done using the function_exists() function to prevent errors on PHP versions where ftp_mlsd is not available. 

if (function_exists('ftp_mlsd')) {
    // FTP code using ftp_mlsd function
} else {
    // Handle the case where ftp_mlsd is not available
}

Keywords

PHP versions FTP functions ftp_mlsd compatibility functionality

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