yisrael

<?php

header('Content-Type: text/plain');


$a = 'a1';
$b = 'b2';
$c = 'c3';
$ar[] = 'ar0';
$ar[] = 'ar1';
$ar[] = 'ar2';
$ar[] = 'ar3';

function a($_){
	$_[0] = 'ax';
	$_[3][0] = 'ar_0';
	$_[3][3] = 'ar_3';
}

$_[] = &$a;
$_[] = &$b;
$_[] = &$a;
$_[] = &$ar;

a($_);


echo "a = $a\n";
echo "b = $b\n";
echo "c = $c\n";

print_r($ar);

?>