This function can be used to copy all files into a directory on a remote server, using SSH and SCP.

<?php
$connection = ssh2_connect('host', 22);
ssh2_auth_password($connection, 'user', 'password');

$remote_dir="/remote_dir/";
$local_dir="/local_dir/";

$com ="ls $remote_dir";
$stream = ssh2_exec($connection, $com);
stream_set_blocking($stream,true);
$cmd=fread($stream,4096);

$arr=explode("\n",$cmd);

$total_files=sizeof($arr);

for($i=0;$i<$total_files;$i++){
    $file_name=trim($arr[$i]);
    if($file_name!=''){
        $remote_file=$remote_dir.$file_name;        
        $local_file=$local_dir.$file_name;
        
        if(ssh2_scp_recv($connection, $remote_file,$local_file)){
            echo "File ".$file_name." was copied to $local_dir<br />";
        }
    }
}

fclose($stream);
?>