Books Gdata API - my library demo

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<b>Warning</b>:  Invalid argument supplied for foreach() in <b>/home/vps100806983/public_html/ZendFramework/demos/Zend/Gdata/MyLibrary/demo.php</b> on line <b>209</b><br />
Please enter your email address [example: username@gmail.com]: <br />
<b>Warning</b>:  fgets() expects parameter 1 to be resource, string given in <b>/home/vps100806983/public_html/ZendFramework/demos/Zend/Gdata/MyLibrary/demo.php</b> on line <b>201</b><br />
Please enter your password [example: mypassword]: <br />
<b>Warning</b>:  fgets() expects parameter 1 to be resource, string given in <b>/home/vps100806983/public_html/ZendFramework/demos/Zend/Gdata/MyLibrary/demo.php</b> on line <b>201</b><br />
Error: Please set your Google credentials before trying to authenticate
Credentials provided were email: [] and password [].