OpenInviter.com library wrapper

[eluser]php6[/eluser]
hello someone help me when I can use this library gives me the
following errors:

A PHP Error was encountered

Severity: Warning

Message: file_put_contents(/tmp/oi_plugins.php) [function.file-put-contents]: failed to open stream: No such file or directory

Filename: OpenInviter/openinviter.php

Line Number: 342

A PHP Error was encountered

Severity: Warning

Message: fopen(/tmp\oi.1328628284.9325.cookie) [function.fopen]: failed to open stream: No such file or directory

Filename: plugins/_base.php

Line Number: 261

A PHP Error was encountered

Severity: Warning

Message: fclose() expects parameter 1 to be resource, boolean given

Filename: plugins/_base.php

Line Number: 262


Fatal error: Call to undefined function curl_init() in C:\xampp\htdocs\ejemplo\app\OpenInviter\plugins\_base.php on line 266