php Fatal error: Call to undefined function mysql_connect() 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

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Sql Example

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