[HH#998960] unable to connect sql in php

[HelioHost]

Username: admin89, Server: Ricky, Main domain: admin89.heliohost.org

 

pls help me

 

i used the code $connect = mysqli_connect($hostname, $username, $password,

$databaseName); in php it worked for me previously but now its shows an

error Call to undefined function mysqli_connect()

 

pls help me to solve this

[Krydos]

Which version of php are you using?

[admin89]

php 5.6