将包含键和值的数组转换为字符串 [英] converting array containing keys and values into string

问题描述

我有一个包含键和值的数组。我想转换为字符串。

I have an array it contains key and value. i would like to converting into a string.

array(
 [business_type]=>'cafe'
 [business_type_plural] => 'cafes'
 [sample_tag]=>'couch'
 [business_name]=>'couch cafe'
 )

预期输出：

business_type,cafe|business_type_plural,cafes|sample_tag,couch|business_name,couch cafe

注意：

我在StackOverflow中搜索时，发现以下问题，并且有答案。我要完全相反。

I was searching in StackOverflow and found the below question and it has answer. I want exactly reverse one.

将包含键和值的字符串转换为数组

推荐答案

尝试

$data = array();
foreach($arr as $key=>$value) {
  $data[] = $key.','.$value;
}
echo implode('|',$data);

另一个解决方案：

function test_alter(&$item1, $key, $delimiter)
{
    $item1 = "$key".$delimiter."$item1";
}

array_walk($arr, 'test_alter',',');
echo implode('|',$arr);

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