TalkPHP - View Single Post - The most inventive way to switch 2 values

core1024 · 05-27-2010, 12:57 PM

I see this threat is old, but I like classics

Here is my try:

PHP Code:


			
$a=1;
$b=2;
function swab($x,$y){
  global $a;
  $a=$y;
  $y=$x;
}
swab($a,&$b);
echo "\$a=$a; \$b=$b";

05-27-2010, 12:57 PM	#31 (permalink)
core1024 The Wanderer Join Date: May 2010 Posts: 19 Thanks: 1	I see this threat is old, but I like classics Here is my try: PHP Code: `$a=1; $b=2; function swab($x,$y){ global $a; $a=$y; $y=$x; } swab($a,&$b); echo "\$a=$a; \$b=$b";`