我试图使用本地mac机器运行,但出现以下错误
Warning: stream_socket_client() [function.stream-socket-client]: Unable to set private key file `/Applications/XAMPP/xamppfiles/htdocs/apns/apns-dev.pem’ in /Applications/XAMPP/xamppfiles/htdocs/apns/apns.php on line 9
Warning: stream_socket_client() [function.stream-socket-client]: failed to create an SSL handle in /Applications/XAMPP/xamppfiles/htdocs/apns/apns.php on line 9
Warning: stream_socket_client() [function.stream-socket-client]: Failed to enable crypto in /Applications/XAMPP/xamppfiles/htdocs/apns/apns.php on line 9
Warning: stream_socket_client() [function.stream-socket-client]: unable to connect to ssl://gateway.sandbox.push.apple.com:2195 (Unknown error) in /Applications/XAMPP/xamppfiles/htdocs/apns/apns.php on line 9
Warning: socket_close() expects parameter 1 to be resource, boolean given in /Applications/XAMPP/xamppfiles/htdocs/apns/apns.php on line 11
Warning: fclose() expects parameter 1 to be resource, …我想解析下面的字符串以获取值"46.4400 INR"
<div id=currency_converter_result>1 USD = <span class=bld>46.4400 INR</span>
<input type=submit value="Convert">
</div>
我需要使用什么正则表达式？