Warning: file_get_contents(/data/phpspider/zhask/data//catemap/1/php/230.json): failed to open stream: No such file or directory in /data/phpspider/zhask/libs/function.php on line 167

Warning: Invalid argument supplied for foreach() in /data/phpspider/zhask/libs/tag.function.php on line 1116

Notice: Undefined index: in /data/phpspider/zhask/libs/function.php on line 180

Warning: array_chunk() expects parameter 1 to be array, null given in /data/phpspider/zhask/libs/function.php on line 181
php中的新行_Php - Fatal编程技术网

php中的新行

php中的新行,php,Php,我有一个函数,它生成给定数字的所有排列。该函数工作正常,但输出显示inline未中断我想换一行,但/n不工作。怎么了 print(pc_permute(array(0, 1, 2, 3, 4, 5, 7, 8))) . "\n"; function pc_permute($items, $perms = array( )) { if (empty($items)) { print join(' ', $perms) . "\n"; } else { for ($i = co

我有一个函数,它生成给定数字的所有排列。该函数工作正常,但输出显示inline未中断

我想换一行,但
/n
不工作。怎么了

print(pc_permute(array(0, 1, 2, 3, 4, 5, 7, 8))) . "\n";

function pc_permute($items, $perms = array( )) {
if (empty($items)) { 
    print join(' ', $perms) . "\n";
}  else {
    for ($i = count($items) - 1; $i >= 0; --$i) {
         $newitems = $items;
         $newperms = $perms;
         list($foo) = array_splice($newitems, $i, 1);
         array_unshift($newperms, $foo);
         pc_permute($newitems, $newperms);
     }
}
}
输出:

0 1 2 3 4 5 7 8 1 0 2 3 4 5 7 8 0 2 1 3 4 5 7 8 2 0 1 3 4 5 7 8 1 2 0 3 4 5 7 8 2 1 0 3 4 5 7 8 0 1 3 2 4 5 7 8 1 0 3 2 4 5 7 8 0 3 1 2 4 5 7 8 3 0 1 2 4 5 7 8 1 3 0 2 4 5 7 8 3 1 0 2 4 5 7 8 0 2 3 1 4 5 7 8 2 0 3 1 4 5 7 8 0 3 2 1 4 5 7 8 3 0 2 1 4 5 7 8 2 3 0 1 4 5 7 8 3 2 0 1 4 5 7 8 1 2 3 0 4 5 7 8 2 1 3 0 4 5 7 8 1 3 2 0 4 5 7 8 3 1 2 0 4 5 7 8 2 3 1 0 4 5 7 8 3 2 1 0 4 5 7 8 0 1 2 4 3 5 7 8 1 0 2 4 3 5 7 8 0 2 1 4 3 5 7 8 2 0 1 4 3 5 7 8 1 2 0 4 3 5 7 8 2 1 0 4 3 5 7 8 0 1 4 2 3 5 7 8 1 0 4 2 3 5 7 8 0 4 1 2 3 5 7 8 4 0 1 2 3 5 7 8 1 4 0 2 3 5 7 8 4 1 0 2 3 5 7 8 0 2 4 1 3 5 7 8 2 0 4 1 3 5 7 8 0 4 2 1 3 5 7 8 4 0 2 1 3 5 7 8 2 4 0 1 3 5 7 8 4 2 0 1 3 5 7 8 1 2 4 0 3 5 7 8 2 1 4 0 3 5 7 8 1 4 2 0 3 5 7 8 4 1 2 0 3 5 7 8 2 4 1 0 3 5 7 8 4 2 1 0 3 5 7 8 0 1 3 4 2 5 7 8 1 0 3 4 2 5 7 8 0 3 1 4 2 5 7 8 3 0 1 4 2 5 7 8 1 3 0 4 2 5 7 8 3 1 0 4 2 5 7 8 0 1 4 3 2 5 7 8 1 0 4 3 2 5 7 8 0 4 1 3 2 5 7 8 4 0 1 3 2 5 7 8 1 4 0 3 2 5 7 8 4 1 0 3 2 5 7 8 0 3 4 1 2 5 7 8 3 0 4 1 2 5 7 8 0 4 3 1 2 5 7 8 4 0 3 1 2 5 7 8 3 4 0 1 2 5 7 8 4 3 0 1 2 5 7 8 1 3 4 0 2 5 7 8 3 1 4 0 2 5 7 8 1 4 3 0 2 5 7 8 4 1 3 0 2 5 7 8 3 4 1 0 2 5 7 8 4 3 1 0 2 5 7 8 0 2 3 4 1 5 7 8 2 0 3 4 1 5 7 8 0 3 2 4 1 5 7 8 3 0 2 4 1 5 7 8 2 3 0 4 1 5 7 8 3 2 0 4 1 5 7 8 0 2 4 3 1 5 7 8 2 0 4 3 1 5 7 8 0 4 2 3 1 5 7 8 4 0 2 3 1 5 7 8 2 4 0 3 1 5 7 8 4 2 0 3 1 5 7 8 0 3 4 2 1 5 7 8 3 0 4 2 1 5 7 8 0 4 3 2 1 5 7 8 4 0 3 2 1 5 7 8 3 4 0 2 1 5 7 8 4 3 0 2 1 5 7 8 2 3 4 0 1 5 7 8 3 2 4 0 1 5 7 8 2 4 3 0 1 5 7 8 4 2 3 0 1 5 7 8 3 4 2 0 1 5 7 8 4 3 2 0 1 5 7 8 1 2 3 4 0 5 7 8 2 1 3 4 0 5 7 8 1 3 2 4 0 5 7 8 3 1 2 4 0 5 7 8 2 3 1 4 0 5 7 8 3 2 1 4 0 5 7 8 1 2 4 3 0 5 7 8 2 1 4 3 0 5 7 8 1 4 2 3 0 5 7 8 4 1 2 3 0 5 7 8 2 4 1 3 0 5 7 8 4 2 1 3 0 5 7 8 1 3 4 2 0 5 7 8 3 1 4 2 0 5 7 8 1 4 3 2 0 5 7 8 4 1 3 2 0 5 7 8 3 4 1 2 0 5 7 8 4 3 1 2 0 5 7 8 2 3 4 1 0 5 7 8 3 2 4 1 0 5 7 8 2 4 3 1 0 5 7 8 4 2 3 1 0 5 7 8 3 4 2 1 0 5 7 8 4 3 2 1 0 5 7 8 0 1 2 3 5 4 7 8 1 0 2 3 5 4 7 8 0 2 1 3 5 4 7 8 2 0 1 3 5 4 7 8 1 2 0 3 5 4 7 8 2 1 0 3 5 4 7 8 0 1 3 2 5 4 7 8 1 0 3 2 5 4 7 8 0 3 1 2 5 4 7 8 3 0 1 2 5 4 7 8 1 3 0 2 5 4 7 8 3 1 0 2 5 4 7 8 0 2 3 1 5 4 7 8 2 0 3 1 5 4 7 8 0 3 2 1 5 4 7 8 3 0 2 1 5 4 7 8 2 3 0 1 5 4 7 8 3 2 0 1 5 4 7 8 1 2 3 0 5 4 7 8 2 1 3 0 5 4 7 8 1 3 2 0 5 4 7 8 3 1 2 0 5 4 7 8 2 3 1 0 5 4 7 8 3 2 1 0 5 4 7 8 0 1 2 5 3 4 7 8 1 0 2 5 3 4 7 8 0 2 1 5 3 4 7 8 2 0 1 5 3 4 7 8 1 2 0 5 3 4 7 8 2 1 0 5 3 4 7 8 0 1 5 2 3 4 7 8 1 0 5 2 3 4 7 8 0 5 1 2 3 4 7 8 5 0 1 2 3 4 7 8 1 5 0 2 3 4 7 8 5 1 0 2 3 4 7 8 0 2 5 1 3 4 7 8 2 0 5 1 3 4 7 8 0 5 2 1 3 4 7 8 5 0 2 1 3 4 7 8 2 5 0 1 3 4 7 8 5 2 0 1 3 4 7 8 1 2 5 0 3 4 7 8 2 1 5 0 3 4 7 8 1 5 2 0 3 4 7 8 5 1 2 0 3 4 7 8 2 5 1 0 3 4 7 8 5 2 1 0 3 4 7 8 0 1 3 5 2 4 7 8 1 0 3 5 2 4 7 8 0 3 1 5 2 4 7 8 3 0 1 5 2 4 7 8 1 3 0 5 2 4 7 8 3 1 0 5 2 4 7 8 0 1 5 3 2 4 7 8 1 0 5 3 2 4 7 8 0 5 1 3 2 4 7 8 5 0 1 3 2 4 7 8 1 5 0 3 2 4 7 8 5 1 0 3 2 4 7 8 0 3 5 1 2 4 7 8 3 0 5 1 2 4 7 8 0 5 3 1 2 4 7 8 5 0 3 1 2 4 7 8 3 5 0 1 2 4 7 8 5 3 0 1 2 4 7 8 1 3 5 0 2 4 7 8 3 1 5 0 2 4 7 8 1 5 3 0 2 4 7 8 5 1 3 0 2 4 7 8 3 5 1 0 2 4 7 8 5 3 1 0 2 4 7 8 0 2 3 5 1 4 7 8 2 0 3 5 1 4 7 8 0 3 2 5 1 4 7 8 3 0 2 5 1 4 7 8 2 3 0 5 1 4 7 8 3 2 0 5 1 4 7 8 0 2 5 3 1 4 7 8 2 0 5 3 1 4 7 8 0 5 2 3 1 4 7 8 5 0 2 3 1 4 7 8 2 5 0 3 1 4 7 8 5 2 0 3 1 4 7 8 0 3 5 2 1 4 7 8 3 0 5 2 1 4 7 8 0 5 3 2 1 4 7 8 5 0 3 2 1 4 7 8 3 5 0 2 1 4 7 8 5 3 0 2 1 4 7 8 2 3 5 0 1 4 7 8 3 2 5 0 1 4 7 8 2 5 3 0 1 4 7 8 5 2 3 0 1 4 7 8 3 5 2 0 1 4 7 8 5 3 2 0 1 4 7 8 1 2 3 5 0 4 7 8 2 1 3 5 0 4 7 8 1 3 2 5 0 4 7 8 3 1 2 5 0 4 7 8 2 3 1 5 0 4 7 8 3 2 1 5 0 4 7 8 1 2 5 3 0 4 7 8 2 1 5 3 0 4 7 8 1 5 2 3 0 4 7 8 5 1 2 3 0 4 7 8 2 5 1 3 0 4 7 8 5 2 1 3 0 4 7 8 1 3 5 2 0 4 7 8 3 1 5 2 0 4 7 8 1 5 3 2 0 4 7 8 5 1 3 2 0 4 7 8 3 5 1 2 0 4 7 8 5 3 1 2 0 4 7 8 2 3 5 1 0 4 7 8 3 2 5 1 0 4 7 8 2 5 3 1 0 4 7 8 5 2 3 1 0 4 7 8 3 5 2 1 0 4 7 8 5 3 2 1 0 4 7 8 0 1 2 4 5 3 7 8 1 0 2 4 5 3 7 8 0 2 1 4 5 3 7 8 2 0 1 4 5 3 7 8 1 2 0 4 5 3 7 8 2 1 0 4 5 3 7 8 0 1 4 2 5 3 7 8 1 0 4 2 5 3 7 8 0 4 1 2 5 3 7 8 4 0 1 2 5 3 7 8 1 4 0 2 5 3 7 8 4 1 0 2 5 3 7 8 0 2 4 1 5 3 7 8 2 0 4 1 5 3 7 8 0 4 2 1 5 3 7 8 4 0 2 1 5 3 7 8 2 4 0 1 5 3 7 8 4 2 0 1 5 3 7 8 1 2 4 0 5 3 7 8 2 1 4 0 5 3 7 8 1 4 2 0 5 3 7 8 4 1 2 0 5 3 7 8 2 4 1 0 5 3 7 8 4 2 1 0 5 3 7 8 0 1 2 5 4 3 7 8 1 0 2 5 4 3 7 8 0 2 1 5 4 3 7 8 2 0 1 5 4 3 7 8 1 2 0 5 4 3 7 8 2 1 0 5 4 3 7 8 0 1 5 2 4 3 7 8 1 0 5 2 4 3 7 8 0 5 1 2 4 3 7 8 5 0 1 2 4 3 7 8 1 5 0 2 4 3 7 8 5 1 0 2 4 3 7 8 0 2 5 1 4 3 7 8 2 0 5 1 4 3 7 8 0 5 2 1 4 3 7 8 5 0 2 1 4 3 7 8 2 5 0 1 4 3 7 8 5 2 0 1 4 3 7 8 1 2 5 0 4 3 7 8 2 1 5 0 4 3 7 8 1 5 2 0 4 3 7 8 5 1 2 0 4 3 7 8 2 5 1 0 4 3 7 8 5 2 1 0 4 3 7 8 0 1 4 5 2 3 7 8 1 0 4 5 2 3 7 8 0 4 1 5 2 3 7 8 4 0 1 5 2 3 7 8 1 4 0 5 2 3 7 8 4 1 0 5 2 3 7 8 0 1 5 4 2 3 7 8 1 0 5 4 2 3 7 8 0 5 1 4 2 3 7 8 5 0 1 4 2 3 7 8 1 5 0 4 2 3 7 8 5 1 0 4 2 3 7 8 0 4 5 1 2 3 7 8 4 0 5 1 2 3 7 8 0 5 4 1 2 3 7 8 5 0 4 1 2 3 7 8 4 5 0 1 2 3 7 8 5 4 0 1 2 3 7 8 1 4 5 0 2 3 7 8 4 1 5 0 2 3 7 8 1 5 4 0 2 3 7 8 5 1 4 0 2 3 7 8 4 5 1 0 2 3 7 8 5 4 1 0 2 3 7 8 0 2 4 5 1 3 7 8 2 0 4 5 1 3 7 8 0 4 2 5 1 3 7 8 4 0 2 5 1 3 7 8 2 4 0 5 1 3 7 8 4 2 0 5 1 3 7 8 0 2 5 4 1 3 7 8 2 0 5 4 1 3 7 8 0 5 2 4 1 3 7 8 5 0 2 4 1 3 7 8 2 5 0 4 1 3 7 8 5 2 0 4 1 3 7 8 0 4 5 2 1 3 7 8 4 0 5 2 1 3 7 8 0 5 4 2 1 3 7 8 5 0 4 2 1 3 7 8 4 5 0 2 1 3 7 8 5 4 0 2 1 3 7 8 2 4 5 0 1 3 7 8 4 2 5 0 1 3 7 8 2 5 4 0 1 3 7 8 5 2 4 0 1 3 7 8 4 5 2 0 1 3 7 8 5 4 2 0 1 3 7 8 1 2 4 5 0 3 7 8 2 1 4 5 0 3 7 8 1 4 2 5 0 3 7 8 4 1 2 5 0 3 7 8 2 4 1 5 0 3 7 8 4 2 1 5 0 3 7 8 1 2 5 4 0 3 7 8 2 1 5 4 0 3 7 8 1 5 2 4 0 3 7 8 5 1 2 4 0 3 7 8 2 5 1 4 0 3 7 8 5 2 1 4 0 3 7 8 1 4 5 2 0 3 7 8 4 1 5 2 0 3 7 8 1 5 4 2 0 3 7 8 5 1 4 2 0 3 7 8 4 5 1 2 0 3 7 8 5 4 1 2 0 3 7 8 2 //and so on...
我想要一个看起来像这样的otuput:

0 1 2 3 4 5 7 8
1 0 2 3 4 5 7 8
0 2 1 3 4 5 7 8
2 0 1 3 4 5 7 8
1 2 0 3 4 5 7 8
print join(“”,$perms)。“
”;
1。它是
\n
而不是
/n
2。您可以只使用

或执行:
nl2br(“\n”)
不起作用。我试过你说的。对我来说很好:你是在看html输出还是CLI?谢谢你现在的作品。我将
\n
更改为

,现在可以使用了。这是我在第一次评论中说的。
print join(' ', $perms) . "<br>";