如何回显数据数组

Question

我对此并不陌生，有人可以解决我的问题吗？这是我的代码：

<?php

$data = array("Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday");
$datastart = 3;
$string = join(',', $data);
echo $string;

?>

此回显将是结果：

Sunday,Monday,Tuesday,Wednesday,Thursday,Friday,Saturday 

我想要这样的结果：

Wednesday,Thursday,Friday,Saturday,Sunday,Monday,Tuesday

感谢您的回答：）

Answer 1

您可以使用array_slice按照要输出的顺序提取数组的各个部分，然后使用array_slice将它们放回一起：]]

array_merge
或者您可以使用简单的array_merge循环：

$data = array("Sunday","Monday","Tuesday","Wednesday","Thursday","Friday","Saturday");
$datastart = 3;
$string = implode(',', array_merge(array_slice($data, $datastart), array_slice($data, 0, $datastart)));
echo $string;
输出：

for
$len = count($data);
$string = '';
for ($i = 0; $i < $len; $i++) {
    $string .= ($i > 0 ? ',' : '') . $data[($i + $datastart) % $len];
}
echo $string;