Question

php foreach 如何获取全部列表内容

foreach($list as $key=>$var){
$list[$key]['name'] = $var['name'];
$name = $list[$key]['name'].$name;
}
echo $name;

我这样写法打印出来的 却是获取到的最后一个值，为什么不对呢？？？

Answer 1

$name="";
foreach($list as $key=>$var){
$list[$key]['name'] = $var['name'];
$name = $list[$key]['name'].$name; //未在foreach外定义.第一次循环$name没值.会报一个错误,但是不是致命错误
}
echo $name;

Answer 2

foreach($list as $key=>$var){
$name.=$var;
}
echo $name;
这样就可以全部打印出来了、

Answer 3

foreach($list as $key=>$var){
$name .= $var['name'];
}
echo $name;

Answer 4

.=(注意点等)