当我执行 var_dump($reads) 时,我有一个名为 $reads 的数组,我得到以下数组结果。我正在尝试使用 var_dump($reads[0][0]) 获取第一个数组的第一项。我收到一条消息:错误渲染视图:[home.uploaded] 未定义偏移量:0
array(161) {
[0]=>
array(4) {
["517a5745e8505"]=>
string(29) "Ngee Ann Poly_Keywords report"
["517a5745e86fe"]=>
string(0) ""
["517a5745e882e"]=>
string(0) ""
["517a5745e89b5"]=>
string(0) ""
}
[1]=>
array(4) {
["517a5745e8505"]=>
string(7) "Keyword"
["517a5745e86fe"]=>
string(6) "Clicks"
["517a5745e882e"]=>
string(11) "Impressions"
["517a5745e89b5"]=>
string(3) "CTR"
}
[2]=>
array(4) {
["517a5745e8505"]=>
string(18) "accounting diploma"
["517a5745e86fe"]=>
string(1) "2"
["517a5745e882e"]=>
string(3) "364"
["517a5745e89b5"]=>
string(5) "0.55%"
}
[3]=>
array(4) {
["517a5745e8505"]=>
string(11) "polytechnic"
["517a5745e86fe"]=>
string(4) "1940"
["517a5745e882e"]=>
string(5) "42995"
["517a5745e89b5"]=>
string(5) "4.51%"
}
[4]=>
array(4) {
["517a5745e8505"]=>
string(15) "tourism diploma"
["517a5745e86fe"]=>
string(1) "1"
["517a5745e882e"]=>
string(3) "156"
["517a5745e89b5"]=>
string(5) "0.64%"
}