Call to undefined function mysql_connect() in code example
Example 1: Uncaught Error: Call to undefined function DatabaseOld\mysqli_connect()
sudo apt install php-mysqli
Example 2: call to undefined function mysql_connect()
Try checking to see if the PHP MySQL extension module is being loaded:
<?php
phpinfo();
?>
If it's not there, add the following to the php.ini file:
extension=php_mysql.dll
Save and Restart You Apache HTTP Server
Example 3: Call to undefined function mysql_connect()
In case, you are using PHP7 already, the formerly deprecated functions
mysql_* were removed entirely, so you should update your code using the
PDO-functions or mysqli_* functions instead.
If that's not possible, as a workaround, rubo77 created a small PHP include
file, that recreates the old mysql_* functions with mysqli_*()-functions:
https: