prismjs/components/prism-php-extras.min.js

Prism.languages.insertBefore("php","variable",{"this":/\$this\b/,global:/\$(?:_(?:SERVER|GET|POST|FILES|REQUEST|SESSION|ENV|COOKIE)|GLOBALS|HTTP_RAW_POST_DATA|argc|argv|php_errormsg|http_response_header)\b/,scope:{pattern:/\b[\w\\]+::/,inside:{keyword:/static|self|parent/,punctuation:/::|\\/}}});