我的数组如下所示；
Array
(
[0] => January
[1] => 2015-01-30
[2] => 2015-01-15
[3] => February
[4] => 2015-02-27
[5] => 2015-02-18
[6] => March
[7] => 2015-03-31
[8] => 2015-03-18
)
如何在三列中将其输出到csv？一个表示月份名称，另两个表示后面的两个日期。
目前我的代码是这样的；
$header = array("Month","Date One","Date Two");
$fp = fopen($filename, "w");
fputcsv ($fp, $header, "'t");
foreach($payments_array as $row){
fputcsv($fp, array($row), "'t");
}
fclose($fp);
标题很好，但我不知道如何在数据上获得三列。此时，数组进入csv的一列。
我以为array_chuck()可能会有所帮助，但我没能解决。
这应该适用于您：
在这里，我只是将结构从：更改为
Array
(
[0] => January
[1] => 2015-01-30
[2] => 2015-01-15
[3] => February
[4] => 2015-02-27
[5] => 2015-02-18
[6] => March
[7] => 2015-03-31
[8] => 2015-03-18
)
至：
Array
(
[0] => Array
(
[0] => January
[1] => February
[2] => March
)
[1] => Array
(
[0] => 2015-01-30
[1] => 2015-02-27
[2] => 2015-03-31
)
[2] => Array
(
[0] => 2015-01-15
[1] => 2015-02-18
[2] => 2015-03-18
)
)
我使用array_chunk()将数组拆分为3个块。在这之后，我只需要遍历头部数组，取每个array_column()并将其放入$data数组中。之后，您可以像以前一样简单地循环遍历数组，并在.csv文件中写入每一行。
<?php
$arr = array_chunk($arr, 3);
foreach($arr[0] as $k => $v)
$data[] = array_column($arr, $k);
$fp = fopen($filename, "w");
foreach($data as $row){
fputcsv($fp, $row, "'t");
}
fclose($fp);
?>
输出：
January February March
2015-01-30 2015-02-27 2015-03-31
2015-01-15 2015-02-18 2015-03-18
编辑：
我想我错过了什么；所以这应该是你想要的：
<?php
$data = array_chunk($arr, 3);
$header = array("Month","Date One","Date Two");
$fp = fopen($filename, "w");
fputcsv($fp, $header, "'t");
foreach($data as $row){
fputcsv($fp, $row, "'t");
}
fclose($fp);
?>
输出：
Month "Date One" "Date Two"
January 2015-01-30 2015-01-15
February 2015-02-27 2015-02-18
March 2015-03-31 2015-03-18
清理数据。。。我现在看到了Rizier123的答案。。。可能更干净。不管怎么说，每个人都在说，按照你想要的方式获得数组，然后担心fputcsv。
$payments_array = [
'January',
'2015-01-30',
'2015-01-15',
'February',
'2015-02-27',
'2015-02-18',
'March',
'2015-03-31',
'2015-03-18'];
$better_payments_array = [];
for ($i=0; $i<count($payments_array); $i++) {
$better_payments_array[] = [$payments_array[$i], $payments_array[$i+1], $payments_array[$i+2]];
$i=$i+2;
}
var_dump($better_payments_array);
array(3) {
[0]=>
array(3) {
[0]=>
string(7) "January"
[1]=>
string(10) "2015-01-30"
[2]=>
string(10) "2015-01-15"
}
[1]=> ...
$array=array( 'January','2015-01-30','2015-01-15','February','2015-02-27','2015-02-18','March','2015-03-31','2015-03-18');
$header = array("Month","Date One","Date Two");
$chunks=array_chunk($array,3);
$fp = fopen('test.csv', "w");
fputcsv ($fp, $header, "'t");
for($i=0;$i<count($chunks);$i++) {
fputcsv($fp, $chunks[$i], ',');
}
fclose($fp);
正如您所提到的，使用了array_chunk，并且在本例中运行良好。