get_posts() is a thin wrapper over WP_Query, so they are usually described as interchangeable. They are not: get_posts() defaults suppress_filters to true, which disables every posts_* filter for…
Both operators mean “this version or a bit newer” and they differ in where the ceiling sits. The difference only shows up when a dependency releases a minor…
Walking every day between two dates is usually a while loop with a manual increment and an off-by-one at one end. DatePeriod is an iterator over a start,…
The two families are constantly swapped because both “clean up a string”. Sanitising decides what is allowed to be stored; escaping decides how it is rendered safely in…
Email and URL validation by regular expression is a well-known way to reject valid input. The correct pattern for an address is famously unreadable, and the shortened versions…
A profile answers “which functions consumed the time” precisely and says nothing about the reason. The most common finding is that the top entry is PDOStatement::execute, which is…