Question

我无法将文件中的值插入到php关联数组中。有人可以帮忙吗？代码如下，查看第3个数组项，我想从文件中插入键值，但每次出错都是如此。怎么做？（包含，回显或函数结果 - 在数组内部不起作用！）。怎么做？

<?
$somedeclaredvaiable = '0 => "value1", 1 => "value2", 2 => value3", 3 => "value4", 4 => "value5", 7 => 4';

$a = array(
1 => array(
   0 => "value1",
   1 => "value2",
   2 => "value3",
   3 => "value4",
   4 => "value5",
   7 => 4

),
2 => array(
   0 => "value1a",
   1 => "value2a",
   2 => "value3a",
   3 => "value4a",
   4 => "value5a",
   7 => 4
),
3 => array(
//THE PROBLEM IS HERE, can't include file, or echo an variable!
include 'filewitharray.txt';  //doesn't work
echo $somedeclaredvariable ;  //doesn't work
),
);

?>

Answer 1

这段代码在语法上是不正确的：

3 => array(
//THE PROBLEM IS HERE, can't include file, or echo an variable!
include 'filewitharray.txt';  //doesn't work
echo $somedeclaredvariable ;  //doesn't work
),

假设filewitharray.txt是一个将返回数组（或其他内容）的php文件，如下所示：

<?php
    return array('foo' => 'bar');

然后，你可以这样做：

$a[] = require 'filewitharray.txt';

它会将filewitharray.txt返回的变量添加到您的表格中。

如果filewitharray.txt不应该是PHP代码，并且您希望将文件的内容添加到数组中（作为字符串），那么您可以这样做：

<?php

$a[] = file_get_contents('filewitharray.txt');

Answer 2

立即尝试。

<?php

  include 'filewitharray.txt';

    $somedeclaredvaiable = '0 => "value1", 1 => "value2", 2 => value3", 3 => "value4", 4 => "value5", 7 => 4';



    $a = array(
    1 => array(
       0 => "value1",
       1 => "value2",
       2 => "value3",
       3 => "value4",
       4 => "value5",
       7 => 4

    ),
    2 => array(
       0 => "value1a",
       1 => "value2a",
       2 => "value3a",
       3 => "value4a",
       4 => "value5a",
       7 => 4
    ),
    3 => array(



    ),
    );

    ?>

Answer 3

首先，事先获取文件的内容：

$included = file_get_contents("file with array.txt");

然后在你的数组声明中：

...snip
3 => array(
    $included, $somedeclaredvariable
)
);

将键值插入php中的关联数组

3 个答案: