mysql
The `mysql` extension is no longer used in PHP 7 or above. There's a good amount of conditional code in `wpdb` and the health checks that can be removed now that only the `mysqli` functions are used. Fixes #59118 Built from https://develop.svn.wordpress.org/trunk@56475 git-svn-id: http://core.svn.wordpress.org/trunk@55987 1a063a9b-81f0-0310-95a4-ce76da25c4cd
strpos()
str_contains()
false
get_cached_events()