Error: Undefined class constant 'MYSQL_ATTR_INIT_COMMAND'

[mrjones-plip]

when running php -S localhost:8000 in examples and then browsing an example page I get this error:

[Wed Mar 27 14:07:16 2019] PHP Fatal error:  Uncaught Error: Undefined class constant 'MYSQL_ATTR_INIT_COMMAND' in /home/mrjones/Documents/tableManager/tableManager.php:763
Stack trace:
#0 /home/mrjones/Documents/tableManager/tableManager.php(71): tableManager->getDbHandle('tableManagerSam...')
#1 /home/mrjones/Documents/tableManager/examples/list_rows_with_links.php(15): tableManager->__construct('192.168.68.42', 'root', '', 'tableManagerSam...', 'people')
#2 {main}
  thrown in /home/mrjones/Documents/tableManager/tableManager.php on line 763

[mrjones-plip]

while technically a bug, this is because the php-mysql package isn't installed. For example, to fix this on on ubuntu I ran sudo apt-get install php-mysql