A particularly good example of learning PHP reference return_PHP tutorial

$a = 1;
function b(&$c)
{
    $c++;
    return $c;
}
$d=b($a);
$d++;
echo($a);

?>

 

$a = 1;
function &b(&$c)
{
    $c++;
    return $c;
}
$d=&b($a);
$d++;
echo($a);
?>

http://www.bkjia.com/PHPjc/508361.htmlwww.bkjia.comtruehttp://www.bkjia.com/PHPjc/508361.htmlTechArticle?php $a = 1; function b($c) { $c++; return $c; } $d=b($a); $d++; echo($a); ? ?php $a = 1; function b($c) { $c++; return $c; } $d=b($a); $d++; echo($a); ?...