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PHP数组并集交集差集

知其黑、受其白发布时间：2021-07-27 15:13:26 ，浏览量：3

PHP数组并集交集差集

PHP数组并集交集差集
- 1.并集 array_merge
- 2.交集 array_intersect
- 3.差集 array_diff

PHP数组并集交集差集 1.并集 array_merge

字符串键名相同，后面覆盖前面，数字键名会在后面追加，不覆盖，参考代码如下

$array1 = array("color" => "red", 2,


    
        
            
                
                
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	请求信息 : 2025-08-09 01:51:35 HTTP/2.0 GET : /home/article/detail/id/438566.html
运行时间 : 0.0521s ( Load:0.0122s Init:0.0018s Exec:0.0262s Template:0.0119s )
吞吐率 : 19.19req/s
内存开销 : 1,923.95 kb
查询信息 : 18 queries 0 writes 
文件加载 : 36
缓存信息 : 5 gets 0 writes 
配置加载 : 132
会话信息 : SESSION_ID=4jbi6crp6ugur9ng2toi2tig51
    
    
        
    
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/www/wwwroot/www.chaojiit.com/ThinkPHP/Library/Behavior/WriteHtmlCacheBehavior.class.php ( 1.43 KB )
/www/wwwroot/www.chaojiit.com/ThinkPHP/Library/Behavior/ShowPageTraceBehavior.class.php ( 5.27 KB )
    
    
        
    
	[ app_init ] --START--
Run Behavior\BuildLiteBehavior [ RunTime:0.000011s ]
[ app_init ] --END-- [ RunTime:0.000044s ]
[ app_begin ] --START--
Run Behavior\ReadHtmlCacheBehavior [ RunTime:0.000469s ]
[ app_begin ] --END-- [ RunTime:0.000522s ]
[ view_parse ] --START--
[ template_filter ] --START--
Run Behavior\ContentReplaceBehavior [ RunTime:0.000067s ]
[ template_filter ] --END-- [ RunTime:0.000100s ]
Run Behavior\ParseTemplateBehavior [ RunTime:0.009210s ]
[ view_parse ] --END-- [ RunTime:0.009240s ]
[ view_filter ] --START--
Run Behavior\WriteHtmlCacheBehavior [ RunTime:0.000195s ]
[ view_filter ] --END-- [ RunTime:0.000209s ]
[ app_end ] --START--
    
    
        
    
	[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.
[8] Undefined variable: pinglun_list /www/wwwroot/www.chaojiit.com/Application/Runtime/Cache/Home/3c8a1a47a3534a7b1252c226abfc3928.php 第 108 行.
    
    
        
    
	SHOW COLUMNS FROM `configuration` [ RunTime:0.0005s ]
SELECT `value` FROM `configuration` WHERE `name` = 'site_name' LIMIT 1   [ RunTime:0.0001s ]
SHOW COLUMNS FROM `menu` [ RunTime:0.0004s ]
SELECT * FROM `menu` WHERE `fid` = 0 AND `status` = 1  [ RunTime:0.0002s ]
SELECT * FROM `menu` WHERE `fid` = 1 AND `status` = 1  [ RunTime:0.0001s ]
SELECT * FROM `menu` WHERE `fid` = 2 AND `status` = 1  [ RunTime:0.0001s ]
SELECT * FROM `menu` WHERE `fid` = 3 AND `status` = 1  [ RunTime:0.0001s ]
SELECT * FROM `menu` WHERE `fid` = 4 AND `status` = 1  [ RunTime:0.0001s ]
SHOW COLUMNS FROM `article` [ RunTime:0.0005s ]
SELECT * FROM `article` WHERE `id` = 438566 LIMIT 1   [ RunTime:0.0004s ]
SHOW COLUMNS FROM `bloger` [ RunTime:0.0005s ]
SELECT * FROM `bloger` WHERE `id` = 807 LIMIT 1   [ RunTime:0.0002s ]
SELECT COUNT(*) AS tp_count FROM `article` WHERE `bloger_id` = 807 LIMIT 1   [ RunTime:0.0005s ]
SHOW COLUMNS FROM `article_content` [ RunTime:0.0005s ]
SELECT `content` FROM `article_content` WHERE `article_id` = 438566 LIMIT 1   [ RunTime:0.0004s ]
SHOW COLUMNS FROM `article_cate` [ RunTime:0.0005s ]
SELECT `name` FROM `article_cate` WHERE `id` = 111 LIMIT 1   [ RunTime:0.0001s ]
SELECT * FROM `article` WHERE `bloger_id` = 807 ORDER BY view_count desc LIMIT 0,10   [ RunTime:0.0061s ]
    
    
        
    
	    
    
    



0.0521s

PHP数组 并集 交集 差集

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PHP数组并集交集差集