我该如何解决这个问题? [英] How do I solve the problem?
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问题描述
我需要知道第18行的问题。问题是什么?
我尝试过的事情:
$ columnsNotEmpty = [];
$ count = 0 ;
foreach ($ data as $ key => $ row){
if ($ count == 0 & ;& $ isTopHeaderFrozen){
$ count ++;
继续;
}
foreach ($ row as $ key2 => $ col){
if (!empty($ col)&& ;! in_array($ key2,$ columnsNotEmpty)){
array_push($ columnsNotEmpty,$ key2);
}
}
$ count ++;
}
foreach ($ data as $ key => $ row){
foreach ($ row as $ key2 => $ col){
if (! in_array($ key2,$ columnsNotEmpty)){
unset($ data [$ key] [$ key2]);
}
}
}
解决方案
columnsNotEmpty = [];
count = 0 ;
foreach (
data as
I need to know the problem in line number 18. what is the problem?
What I have tried:
$columnsNotEmpty = [];
$count = 0;
foreach ($data as $key => $row) {
if ($count == 0 && $isTopHeaderFrozen) {
$count++;
continue;
}
foreach ($row as $key2 => $col) {
if (!empty($col) && !in_array($key2, $columnsNotEmpty)) {
array_push($columnsNotEmpty, $key2);
}
}
$count++;
}
foreach ($data as $key => $row) {
foreach ($row as $key2 => $col) {
if (!in_array($key2, $columnsNotEmpty)) {
unset($data[$key][$key2]);
}
}
}
解决方案
columnsNotEmpty = [];
count = 0; foreach (
data as
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