Change PHP keywords to comply with PSR2#140

friendlydan wants to merge 1 commit intovoceconnect:mastervoceconnect/multi-post-thumbnails:masterfrom

CodeLingoBot:rewrite-voceconnect-multi-post-thumbnails-psr2-lower-case-constant-valuesCodeLingoBot/multi-post-thumbnails:rewrite-voceconnect-multi-post-thumbnails-psr2-lower-case-constant-valuesCopy head branch name to clipboard