access to in function

[alirezaok]

see this code

it doesn't print anything

i want to access to $bar in this function and all functions but i dont want pass it by call ( foo($bar) ).

$bar="salam";


function foo() {
echo $bar;
    }
//    ;

foo();

anyone can help me
thnaks

[rincewind456]

That's because the variable $bar is not avaiable within the function foo() Read up here on Globals

You script needs to look like this

$bar="salam";


function foo() {
	global $bar;
	echo $bar;
}

foo();