php 数组添加关联元素的方法小结

<?php
$queue = array('a', 'B');
$queue = array_merge(array('front' => 'hello'), $queue);
/*
Array
(
    [front] => hello
    [0] => a
    [1] => b
)
*/
?>

<?php
$queue = array('a', 'B');
$queue = array('front' => 'Hello') + $queue;
?>

<?php
$queue = array('a', 'B');
$queue['front'] = 'hello';
/*
输出
Array
(
    [0] => a
    [1] => b
    [front] => hello 
)
*/
?>

<?php
    $stack = array("orange", "banana");
    array_push($stack, "apple", "raspberry");
    print_r($stack);
?>
输出：
Array
(
    [0] => orange
    [1] => banana
    [2] => apple
    [3] => raspberry
)

2.$arr[]

使用方法

<?php

    $arr = array("orange", "banana");
    $arr[]='apple';
    print_r($arr);
?>

<?php
$queue = array("orange", "banana");
array_unshift($queue, "apple", "raspberry");
print_r($queue);
?>

输出

Array
(
    [0] => apple
    [1] => raspberry
    [2] => orange
    [3] => banana
)

<?php 
$arr = array('a','b','c','d'); 
unset($arr[1]); 
print_r($arr); 
?> 
 
print_r($arr)

<?php 
$arr = array('a','b','c','d'); 
array_splice($arr,1,1); 
print_r($arr);
?>

print_r($arr)之后，结果是Array ( [0] => a [1] => c [2] => d )

<?php
$a=array(0=>"Dog",1=>"Cat",2=>"Horse",3=>"Bird");
print_r(array_slice($a,1,2));
?>

输出

Array ( [0] => Cat [1] => Horse )

$array = array('1', '2', '3', '4', '5');

$del_value = 3;
unset($array[array_search($del_value , $array)]);//利用unset删除这个元素

print_r($array);

输出

array('1', '2', '4', '5');

public static void main(String[] args) throws Exception {
    URL url = new URL("https://api.weixin.qq.com/cgi-bin
                                 /menu/create?access_token=TOKEN");
        String responeJsonStr = "{"+
                                     ""button":["+
                                     "{"name":"酒店预订","+
                                     ""sub_button":["+
                             "{"+
                                ""type":"click","+
                                ""name":"附近酒店","+
                                ""key":"jintoneinn488878-1""+
                            "},"+
                            "{"+
                                ""type":"click","+
                                ""name":"查找酒店","+
                                ""key":"jintoneinn488878-2""+
                            "}"+
                        "]"+
                    "}"
                "]"+
            "}";
        HttpURLConnection conn = (HttpURLConnection) url.openConnection();
        conn.setRequestMethod("POST");
        conn.setDoOutput(true);
        conn.connect();
        conn.getOutputStream().write(responeJsonStr.getBytes("utf-8"));
        InputStream is = conn.getInputStream();
        BufferedReader in = new BufferedReader(new InputStreamReader(is,"utf-8"));
        StringBuffer buffer = new StringBuffer();
        String line = "";
        while ((line = in.readLine()) != null) {
            buffer.append(line);
        }
        System.out.println(buffer.toString()); 
    }

{"menu":{"button":[{"type":"click","name":"今日歌曲","key":"V1001_TODAY_MUSIC","sub_button":[]},{"type":"click","name":"歌手简介","key":"V1001_TODAY_SINGER","sub_button":[]},{"name":"菜单","sub_button":[{"type":"click","name":"hello word","key":"V1001_HELLO_WORLD","sub_button":[]},{"type":"click","name":"赞一下我们","key":"V1001_GOOD","sub_button":[]}]}]}}

1 /usr/bin/php -q /home/yourname/backup/fullbackup.php

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