为什么在64位系统中指针的大小是8，而32位系统中却是4？

请求信息 : 2025-07-06 15:03:21 HTTP/2.0 GET : /home/article/detail/id/285870.html
运行时间 : 0.1501s ( Load:0.0251s Init:0.0021s Exec:0.1170s Template:0.0059s )
吞吐率 : 6.66req/s
内存开销 : 1,618.96 kb
查询信息 : 11 queries 0 writes
文件加载 : 18
缓存信息 : 5 gets 0 writes
配置加载 : 132
会话信息 : SESSION_ID=rt0b0f4fdotioef4ffijs9mhrg

/www/wwwroot/www.chaojiit.com/index.php ( 1.30 KB )
/www/wwwroot/www.chaojiit.com/ThinkPHP/ThinkPHP.php ( 4.71 KB )
/www/wwwroot/www.chaojiit.com/ThinkPHP/Library/Think/Think.class.php ( 12.32 KB )
/www/wwwroot/www.chaojiit.com/ThinkPHP/Library/Think/Storage.class.php ( 1.38 KB )
/www/wwwroot/www.chaojiit.com/ThinkPHP/Library/Think/Storage/Driver/File.class.php ( 3.56 KB )
/www/wwwroot/www.chaojiit.com/Application/Runtime/common~runtime.php ( 76.63 KB )
/www/wwwroot/www.chaojiit.com/Application/Home/Conf/config.php ( 0.05 KB )
/www/wwwroot/www.chaojiit.com/ThinkPHP/Library/Behavior/ReadHtmlCacheBehavior.class.php ( 5.62 KB )
/www/wwwroot/www.chaojiit.com/Application/Home/Controller/ArticleController.class.php ( 6.10 KB )
/www/wwwroot/www.chaojiit.com/ThinkPHP/Library/Think/Model.class.php ( 67.27 KB )
/www/wwwroot/www.chaojiit.com/ThinkPHP/Library/Think/Db.class.php ( 5.70 KB )
/www/wwwroot/www.chaojiit.com/ThinkPHP/Library/Think/Db/Driver/Mysql.class.php ( 8.73 KB )
/www/wwwroot/www.chaojiit.com/ThinkPHP/Library/Think/Db/Driver.class.php ( 41.60 KB )
/www/wwwroot/www.chaojiit.com/ThinkPHP/Library/Think/Cache.class.php ( 3.84 KB )
/www/wwwroot/www.chaojiit.com/ThinkPHP/Library/Think/Cache/Driver/File.class.php ( 5.90 KB )
/www/wwwroot/www.chaojiit.com/Application/Runtime/Cache/Home/3c8a1a47a3534a7b1252c226abfc3928.php ( 15.77 KB )
/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 )

[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/Application/Runtime/common~runtime.php 第 1 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 35 行.
[8] Undefined variable: user /www/wwwroot/www.chaojiit.com/Application/Runtime/Cache/Home/3c8a1a47a3534a7b1252c226abfc3928.php 第 140 行.
[8] Trying to access array offset on value of type null /www/wwwroot/www.chaojiit.com/Application/Runtime/Cache/Home/3c8a1a47a3534a7b1252c226abfc3928.php 第 140 行.
[8] Undefined variable: user /www/wwwroot/www.chaojiit.com/Application/Runtime/Cache/Home/3c8a1a47a3534a7b1252c226abfc3928.php 第 141 行.
[8] Trying to access array offset on value of type null /www/wwwroot/www.chaojiit.com/Application/Runtime/Cache/Home/3c8a1a47a3534a7b1252c226abfc3928.php 第 141 行.
[8] Undefined variable: pinglun_list /www/wwwroot/www.chaojiit.com/Application/Runtime/Cache/Home/3c8a1a47a3534a7b1252c226abfc3928.php 第 150 行.
[8] Undefined variable: top_list /www/wwwroot/www.chaojiit.com/Application/Runtime/Cache/Home/3c8a1a47a3534a7b1252c226abfc3928.php 第 185 行.

SELECT `value` FROM `configuration` WHERE `name` = 'site_name' LIMIT 1 [ RunTime:0.0008s ]
SELECT * FROM `menu` WHERE `fid` = 0 AND `status` = 1 [ RunTime:0.0014s ]
SELECT * FROM `menu` WHERE `fid` = 1 AND `status` = 1 [ RunTime:0.0013s ]
SELECT * FROM `menu` WHERE `fid` = 2 AND `status` = 1 [ RunTime:0.0008s ]
SELECT * FROM `menu` WHERE `fid` = 3 AND `status` = 1 [ RunTime:0.0007s ]
SELECT * FROM `menu` WHERE `fid` = 4 AND `status` = 1 [ RunTime:0.0119s ]
SELECT * FROM `article` WHERE `id` = 285870 LIMIT 1 [ RunTime:0.0010s ]
SELECT * FROM `bloger` WHERE `id` = 304 LIMIT 1 [ RunTime:0.0010s ]
SELECT COUNT(*) AS tp_count FROM `article` WHERE `bloger_id` = 304 LIMIT 1 [ RunTime:0.0013s ]
SELECT `content` FROM `article_content` WHERE `article_id` = 285870 LIMIT 1 [ RunTime:0.0091s ]
SELECT * FROM `article` WHERE `bloger_id` = 304 ORDER BY view_count desc LIMIT 0,10 [ RunTime:0.0126s ]

为什么在64位系统中指针的大小是8，而32位系统中却是4？

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