(PECL ssh2 >= 0.9.0)
ssh2_sftp_symlink — Create a symlink
Creates a symbolic link named link on the remote filesystem pointing to target.
成功时返回 TRUE， 或者在失败时返回 FALSE.
Example #1 Creating a symbolic link
<?php
$connection = ssh2_connect('shell.example.com', 22);
ssh2_auth_password($connection, 'username', 'password');
$sftp = ssh2_sftp($connection);
ssh2_sftp_symlink($sftp, '/var/run/mysql.sock', '/tmp/mysql.sock');
?>