me sale esto:
Cita: Array
(
[0] => bcmath
[1] => calendar
[2] => com_dotnet
[3] => ctype
[4] => session
[5] => filter
[6] => ftp
[7] => hash
[8] => iconv
[9] => json
[10] => odbc
[11] => pcre
[12] => Reflection
[13] => date
[14] => libxml
[15] => standard
[16] => tokenizer
[17] => zlib
[18] => SimpleXML
[19] => dom
[20] => SPL
[21] => wddx
[22] => xml
[23] => xmlreader
[24] => xmlwriter
[25] => cgi-fcgi
[26] => curl
[27] => mysql
[28] => mysqli
[29] => PDO
[30] => pgsql
[31] => soap
[32] => SQLite
[33] => Zend Debugger
)
En la 7 esta la hash,entonces q esta fallando?