Code reminder? Dremweaver?

iv used texteditor since i was 14 for web desgin,

but, i want to know, is there one
that when say, your writeing code,
PHP code
and you have

you you type $ it will give hints to all variable thats used in your code,
and from included codes…

and if the variable is created in a function and you close the function,
it will not give a hint for that variable

yall know what i mean…

try an IDE such as NetBeans or Eclipse.