Question

PHP怎么循环二维数组的数据

$all_name=array(
array("John","14","soccer"),
array("alisi","17","playgames"),
array("peter","29","die")
);

for($i=0,$n=count($all_name);$i<$n;$i++){
global $all_name;
$class_data=$all_name;
$all_name[0]=$class_data[0];
$all_name[1]=$class_data[1];
$all_name[2]=$class_data[2];
echo"<tr>";
echo"<td>$class_data[0]</td>";
echo"<td>$class_data[1]</td>";
echo"<td>$class_data[2]</td>";
echo"</tr>";
}
后面一段我知道错了，怎么错的 ，怎么写

Answer 1

$all_name=array(
array("John","14","soccer"),
array("alisi","17","playgames"),
array("peter","29","die")
);

for($i=0,$i<count($all_name);$i++){
echo"<td>$class_data[0][0]</td>";
echo"<td>$class_data[1][0]</td>";
echo"<td>$class_data[2][0]</td>";
}

Answer 2

$class_data=$all_name[i];

不带[i]的话, $class_data也是二维数组

Answer 3

$all_name[0]=$class_data[0];
$all_name[1]=$class_data[1];
$all_name[2]=$class_data[2];
换成
$all_name[0]=$class_data[0][0];
$all_name[1]=$class_data[1][0];
$all_name[2]=$class_data[2][0];

Answer 4

foreach($array $val){
echo $val;
}