php - 如何在 PHP 中删除数组中数组的索引计数

Question

您好，我有一个数组，其中包含两个其他数组，使用以下代码:

    foreach($relations as $rel){
        $data[$i]["relationTo"] = $rel["name"];
        $data[$i]["relation"] = $rel["relation"];
        $i = $i+1;
    }
    foreach($relations as $rel){
        $children[$i]["id"] = $rel["id2"];
        $children[$i]["name"] = $rel["sname"];
        $children[$i]["data"] = $data;
        $i = $i+1;
    }
    foreach($relations as $rel){
        $relationArray[$i]["id"] = $rel["id"];
        $relationArray[$i]["name"] = $rel["name"];
        $relationArray[$i]["children"] = $children;
        $i = $i+1;
    }

当我使用以下方式打印此内容时:

print_r($relationArray);

它打印以下内容:

Array ( [2] => Array ( [id] => 4 [name] => Albaraa [children] => 
Array ( [1] => Array (      [id] => 5 [name] => Sadi [data] => 
Array ( [0] => Array ( [relationTo] => Albaraa [relation] => Father ) ) ) ) ) )

我正在使用 json_encode，我需要它以某种方式以 json 输出，不包括开头的数组索引计数...我使用时的 json 输出:

echo json_encode($relationArray);

目前是这样的:

 {"2":{"id":"4","name":"Albaraa","children":
 {"1":{"id":"5","name":"Sadi","data":  [{"relationTo":"Albaraa","relation":"Father"}]}}}}

前两个数组前面有“2”和“1”...这不是我想要实现的目标，如下所示:

 {"id":"4","name":"Albaraa","children":
 {"id":"5","name":"Sadi","data":  [{"relationTo":"Albaraa","relation":"Father"}]}}}}

任何帮助将不胜感激!

Answer 1

几种解决方案

1) 不要通过[$i]输入值，准备新的完整内部数组并使用array_push将其放入

2)如果您仍然想这样做，您可以只提取值:

print_r(json_encode(array_values($array)));