Fix some PHP 7.4 array index access issues
tree511b3e4fa4dc99c4e701614f417577d7f3b5951a
-rw-r--r-- 109 .arcconfig
-rw-r--r-- 1854 .arclint
-rw-r--r-- 98 .arcunit
-rw-r--r-- 678 .editorconfig
-rw-r--r-- 858 .gitignore
-rw-r--r-- 10173 LICENSE
-rw-r--r-- 739 NOTICE
-rw-r--r-- 1221 README.md
drwxr-xr-x - bin
drwxr-xr-x - conf
drwxr-xr-x - externals
drwxr-xr-x - resources
drwxr-xr-x - scripts
drwxr-xr-x - src
drwxr-xr-x - support
drwxr-xr-x - webroot