php:将子数组更改为父数组
我从一些代码生成了一个数组:php:将子数组更改为父数组,php,arrays,Php,Arrays,我从一些代码生成了一个数组: if (($handle = fopen('/var/tmp/file.tsv', 'r')) !== FALSE) { $nn = 0; while (($data = fgetcsv($handle, 1000, '/t')) !== FALSE) { $targetData = array(); foreach($targetColumns as $column)
if (($handle = fopen('/var/tmp/file.tsv', 'r')) !== FALSE) {
$nn = 0;
while (($data = fgetcsv($handle, 1000, '/t')) !== FALSE) {
$targetData = array();
foreach($targetColumns as $column)
$targetData[] = $data[$column];
$csvarray[$nn] = $targetData;
$nn++;
}
fclose($handle);
}
这给了我这个输出:
Array
(
[0] => Array
(
[0] => "92834029"
)
[1] => Array
(
[0] => "32926154"
)
[2] => Array
(
[0] => "84892302"
)
[3] => Array
(
[0] => "10499507"
)
)
如何取消多维数组,而使其成为一个干净的简单父数组
Array
(
[0] => 92834029
[1] => 32926154
[2] => 84892302
[3] => 10499507
)
在您的情况下,将其更改为以下内容将起作用:
if (($handle = fopen('/var/tmp/file.tsv', 'r')) !== FALSE) {
while (($data = fgetcsv($handle, 1000, '/t')) !== FALSE) {
foreach($targetColumns as $column) {
$csvarray[] = $data[$column];
}
}
fclose($handle);
}
也可以随意删除不必要的内容。在您的情况下,将其更改为以下内容将起作用:
if (($handle = fopen('/var/tmp/file.tsv', 'r')) !== FALSE) {
while (($data = fgetcsv($handle, 1000, '/t')) !== FALSE) {
foreach($targetColumns as $column) {
$csvarray[] = $data[$column];
}
}
fclose($handle);
}
也可以随意删除不必要的内容。尝试这样做:
if (($handle = fopen('/var/tmp/file.tsv', 'r')) !== FALSE) {
$nn = 0;
while (($data = fgetcsv($handle, 1000, '/t')) !== FALSE) {
foreach($targetColumns as $column)
$targetData = $data[$column];
$csvarray[$nn] = $targetData;
$nn++;
}
fclose($handle);
}
不管怎样,=array()
总是将$targetData
设置为“空”。或者直接用$csvarray[$nn]=$data[$column]分配它代码>尝试这样做:
if (($handle = fopen('/var/tmp/file.tsv', 'r')) !== FALSE) {
$nn = 0;
while (($data = fgetcsv($handle, 1000, '/t')) !== FALSE) {
foreach($targetColumns as $column)
$targetData = $data[$column];
$csvarray[$nn] = $targetData;
$nn++;
}
fclose($handle);
}
不管怎样,=array()
总是将$targetData
设置为“空”。或者直接用$csvarray[$nn]=$data[$column]分配它代码>您的意思是要更改此选项:$targetData[]=$data[$column]$csvarray[$nn]=$targetData;对此:$csvarray[$nn]=$data[$column]@busypeoples的修复成功了!谢谢,非常感谢。你的意思是想更改此选项:$targetData[]=$data[$column]$csvarray[$nn]=$targetData;对此:$csvarray[$nn]=$data[$column]@busypeoples的修复成功了!谢谢,非常感谢。