Extend documentation for invariant and friends.
tree465078f9585cd5d3122ad5664ff490132d105b44
-rw-r--r-- 1342 .gitignore
-rw-r--r-- 98 .gitmodules
drwxr-xr-x - CMake
-rw-r--r-- 2432 CMakeLists.txt
-rw-r--r-- 3228 CONTRIBUTING.md
-rw-r--r-- 3204 LICENSE.PHP
-rw-r--r-- 2803 LICENSE.ZEND
-rw-r--r-- 88413 NEWS
-rw-r--r-- 3689 README.md
-rwxr-xr-x 642 configure
drwxr-xr-x - hphp
m--------- - third-party