variabele buiten functie bereiken!

public void TestFunctie(int out var1, int ref var2)

public void TestFunctie(int out var1, int ref var2)

<?php
$test = "lalalala";

function foo()
{
    echo $test;
}

foo();
?>

<?php
$test = "lalalala";
 
function foo()
{
    echo $test;
}
 
foo();
?>

<?php
$tekst = "lalalalaal";

function foo($test)
{
     echo $test;
}

foo($tekst);
?>

<?php
$tekst = "lalalalaal";
 
function foo($test)
{
     echo $test;
}
 
foo($tekst);
?>

<?php
$tekst = "lalalalalla";

function foo(){
 global $tekst;
 return $tekst;
}

echo foo();

<?php
$tekst = "lalalalalla";
 
function foo(){
 global $tekst;
 return $tekst;
}
 
echo foo();

public int testMethode(int test) {
  return test;
}

= 

<?
function testMethode($test) {
  return $test;
}
?>

public int testMethode(int test) {
  return test;
}
 
= 
 
<?
function testMethode($test) {
  return $test;
}
?>