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php数组指定位置、键插入元素

知其黑、受其白发布时间：2022-03-09 10:09:36 ，浏览量：3

阅读目录

函数解析
示例代码

函数解析

array_flip  — 交换数组中的键和值
array_slice — 从数组中取出一段

示例代码


    
        
            
                
                
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	请求信息 : 2025-08-15 00:08:15 HTTP/2.0 GET : /home/article/detail/id/438119.html
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内存开销 : 1,923.99 kb
查询信息 : 18 queries 0 writes 
文件加载 : 36
缓存信息 : 5 gets 0 writes 
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会话信息 : SESSION_ID=bo46gcr7858nis5hm9grtofa50
    
    
        
    
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	[ app_init ] --START--
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	[2] session_save_path(): open_basedir restriction in effect. File(/var/lib/php/session) is not within the allowed path(s): (/www/wwwroot/www.chaojiit.com/:/tmp/) /www/wwwroot/www.chaojiit.com/ThinkPHP/Common/functions.php 第 1239 行.
[8192] Array and string offset access syntax with curly braces is deprecated /www/wwwroot/www.chaojiit.com/ThinkPHP/Library/Think/Cache/Driver/File.class.php 第 59 行.
[8] Undefined variable: user /www/wwwroot/www.chaojiit.com/Application/Runtime/Cache/Home/3c8a1a47a3534a7b1252c226abfc3928.php 第 37 行.
[8] Undefined variable: user /www/wwwroot/www.chaojiit.com/Application/Runtime/Cache/Home/3c8a1a47a3534a7b1252c226abfc3928.php 第 98 行.
[8] Trying to access array offset on value of type null /www/wwwroot/www.chaojiit.com/Application/Runtime/Cache/Home/3c8a1a47a3534a7b1252c226abfc3928.php 第 98 行.
[8] Undefined variable: user /www/wwwroot/www.chaojiit.com/Application/Runtime/Cache/Home/3c8a1a47a3534a7b1252c226abfc3928.php 第 99 行.
[8] Trying to access array offset on value of type null /www/wwwroot/www.chaojiit.com/Application/Runtime/Cache/Home/3c8a1a47a3534a7b1252c226abfc3928.php 第 99 行.
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0.0911s