Josh Howe wrote:
Hi all,
If I have the following code:
$some_global_variable;
Class foo {
Function test() {
set_global();
echo $some_global_variable;
}
Function set_global () {
$some_global_variable = abcd;
echo $some_global_variable;
}
}
The first echo statement (the one inside the set_global function) prints
abcd, but the second prints nothing. How can I set the value of
$some_global_variable inside the set_global function so that it sticks?
I'm using PHP 4.3.3.
Choice 1:
Declare it global in both functions.
function test() {
global $some_global_variable;
}
function set_global() {
global $some_global_variable;
}
Choice 2:
Use a member variable instead.
function test(){
echo $this-some_global_variable;
}
function set_global() {
$this-some_global_variable = 'abcd';
}
Choice 3:
Spend more time figuring out why you need a global variable, who needs
this variable, why they need this variable, and re-structure your code so
that you don't really need a global variable. :-)
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