Open the attached file. The first php tag is highlighted correctly, the second one is not, and breaks highlighting for the rest of the file. Reproducible: Always
Created attachment 91300 [details] file demonstrating the bug
Created attachment 91301 [details] screenshot
It is highlighted for me. Please confirm with the latest version. Arch Linux 64-bit Kate 16.04.2 KDE Frameworks 5.23.0 Qt 5.7 xcb wm
Works with Kate 15.12.3
Great! Let's set to WFM as we have no idea what fixed it.