A per-request memoisation cache keyed by object was holding every entity loaded during a long-running command, and the command was using 900 MB by the end. This only…
8.1 gave pure intersection types and no way to make one nullable; 8.2 allows a union of intersections, which covers the case everybody hit first. The name describes…
A readonly property must have a type, so a readonly class containing an untyped property is a compile error rather than a silently ignored one. The type requirement…
A trait could carry methods, properties and abstract methods, and not constants, which meant a trait defining behaviour around a constant had to document rather than declare it.…
A stack trace includes argument values, so an exception thrown anywhere below a login method has historically printed the password into a log. This closes a leak that…
Assigning to an undeclared property has silently created one since PHP 4, which means every typo in a property name has been a working assignment to the wrong…
utf8_encode converts from ISO-8859-1 specifically, which is almost never the encoding the input was actually in. The double-encoding it produces is the single most common source of mojibake…