PHP應(yīng)用
<?php
$name = 'Simon'; //對(duì)變量$name進(jìn)行賦值(傳值賦值)
$name_b = $name; //對(duì)變量$name_b進(jìn)行賦值(傳值賦值)
$addr = &$name; //對(duì)變量$addr進(jìn)行賦值(傳地址賦值)
$name = "Elaine"; //改變$name的值
echo $name; //輸出$name,會(huì)發(fā)現(xiàn)$name的值發(fā)生了變化
echo $name_b; //輸出$name_b,會(huì)發(fā)現(xiàn)$name_b的值沒(méi)有發(fā)生變化
echo $addr; //輸出$addr,會(huì)發(fā)現(xiàn)$addr的值發(fā)生了變化
$addr = "Helen"; //改變$addr的值
echo $name; //輸出$name,會(huì)發(fā)現(xiàn)$name的值發(fā)生了變化
echo $addr; //輸出$addr,會(huì)發(fā)現(xiàn)$addr的值發(fā)生了變化
?>