25: Different Superglobals in PHP | PHP Tutorial | Learn PHP Programming | PHP for Beginners

Different Superglobals in PHP | PHP Tutorial | Learn PHP Programming | PHP for Beginners. Today we will learn about PHP superglobals and have a small introduction to some of the most commonly used ones.

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So far, I haven't needed to see the full source code for the different lessons, but I'm stumped on this one. - Is the full source code for this lesson available someplace for us to look at?

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[llBestBoyll]

we can also do
global $variableName;
then use it by calling it's name
etc:
global $x;
echo $x;

[dustin]

Am I wrong or is this not the best example for $GLOBALS?

<?php
$x = 5;
function something() {
$y = 10;
echo $y;
}
something();
?>

Would work too and echo out 10?
Maybe somebody has another example that this feature makes more clear?
Or am I wrong?

[hashrajput]

what if I don't use GLOBALS??
it is working with just $x without any error..

[darylchristianmulles]

is it possible to call a function to a different webpage?
if (yes){
HOW?
}

jokes aside, id appreciate if you can respond to this

[willthe]

Isnt this the same thing?
as function blah(x){
}?

[Somerandomdudefromtheinternet]

But wouldn't it be easier to just write:


function something () {
$y = 10;
echo $x;
}
something();


?


I mean, it would do exactly the same thing. I didn't really get the principle of GLOBALS