Description="PHP"

Keywords={
  { Id=1,
	List={"abstract", "and", "array", "as", "break", "case",
	"catch",   "cfunction", "class", "clone", "const",
	"continue", "declare", "default", "do", "else", "elseif",
	"enddeclare", "endfor", "endforeach", "endif", "endswitch",
	"endwhile", "extends", "final", "for", "foreach",
	"function", "global", "goto", "if", "implements",
	"interface", "instanceof", "namespace",  "new",
	"old_function", "or", "private", "protected",  "public",
	"static", "switch", "throw", "try",  "use", "var", "while",
	"xor", "__CLASS__", "__DIR__",  "__LINE__", "__FILE__",
	"__FUNCTION__", "__TRAIT__", "__METHOD__",  "__NAMESPACE__",
	"die", "echo", "empty", "exit", "eval", "include",
	"include_once", "isset", "list", "require", "require_once",
	"return", "print", "unset",  "true", "false", "null", "resource"
	  },
  },
  { Id=2,
    List={"int", "integer", "real", "double", "float", "string", "array", "object", "bool", "mixed", "numeric"},
  },
  { Id=3,
    Regex=[[\$\w+]],
  },
  { Id=4,
    Regex=[[(\w+)\s*\(]],
  },
}

-- hereDoc opening delimiter, see OnStateChange to handle end of string
Strings={
  Delimiter=[["|'|<<<'?\w+'?]],
  --Interpolation=[[ \$[\w\[\]\->]+ ]],
    Interpolation=[[ [@\$%]\w+ ]]
}

IgnoreCase=true

Comments={
  { Block=false,
    Delimiter= { [[\/\/|\#]] },
  },
  { Block=true,
    Nested=false,
    Delimiter= { [[\/\*]],[[\*\/]],}
  }
}

Operators=[[\(|\)|\[|\]|\{|\}|\,|\;|\:|\&|<|>|\!|\=|\/|\*|\|\+|\-|\.|\@]]

function OnStateChange(oldState, newState, token)

   if oldState==HL_STRING and token==hereDoc then
      hereDoc = nil
      return HL_STRING_END
   end

   
   if  (string.sub(token,1,1) =="$") and oldState==HL_STRING and newState==HL_KEYWORD then
      return HL_INTERPOLATION
   end
   
   if hereDoc~=nil then
    return HL_STRING
   end

   --recognize hereDoc multine strings
   if oldState==HL_STANDARD and newState==HL_STRING and not string.find("\"'", token) then
      hereDoc = string.match(token, "<<<'?(%a+)" )
   end
   
   if oldState~=HL_STRING and newState==HL_ESC_SEQ then
      return oldState
   end
   
   return newState
end