Controlling LED with php and arduino

hello ,

is there anybody who can help me to blink my led with php ...i have already created a script in server here is the link and response link is

now i need to read that state.php page value and accordingly i need to lit the LED...

can u please help me out ..if somebody can give me code then it will be lots of benifit for me i am in learning phase..

NOTE: i have searched a lot in web , infact i found some code as well but the problem is non of them worked for me ..i dont know why..

thank you in advance