php多进程使用

知其黑、受其白发布时间：2021-08-30 17:35:46 ，浏览量：0

阅读目录

场景
pcntl扩展
swoole扩展

场景

怎么才能在一个php脚本中,开启多进程处理呢?

这里我们可以使用2种方法(注意,本教程只适用于linux,php-cli环境)

pcntl扩展

pcntl是php官方的多进程扩展,只能在linux环境使用,例如:


    
        
        
        
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	请求信息 : 2025-03-15 16:09:30 HTTP/2.0 GET : /home/article/detail/id/438483.html
运行时间 : 0.0403s ( Load:0.0104s Init:0.0011s Exec:0.0187s Template:0.0100s )
吞吐率 : 24.81req/s
内存开销 : 1,923.46 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=rs1luiko76sp05ggorasp92hs6
    
    
        
    
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	[ app_init ] --START--
Run Behavior\BuildLiteBehavior [ RunTime:0.000010s ]
[ app_init ] --END-- [ RunTime:0.000045s ]
[ app_begin ] --START--
Run Behavior\ReadHtmlCacheBehavior [ RunTime:0.000431s ]
[ app_begin ] --END-- [ RunTime:0.000455s ]
[ view_parse ] --START--
[ template_filter ] --START--
Run Behavior\ContentReplaceBehavior [ RunTime:0.000070s ]
[ template_filter ] --END-- [ RunTime:0.000099s ]
Run Behavior\ParseTemplateBehavior [ RunTime:0.007895s ]
[ view_parse ] --END-- [ RunTime:0.007918s ]
[ view_filter ] --START--
Run Behavior\WriteHtmlCacheBehavior [ RunTime:0.000157s ]
[ view_filter ] --END-- [ RunTime:0.000168s ]
[ 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 34 行.
[8] Undefined variable: user /www/wwwroot/www.chaojiit.com/Application/Runtime/Cache/Home/3c8a1a47a3534a7b1252c226abfc3928.php 第 134 行.
[8] Trying to access array offset on value of type null /www/wwwroot/www.chaojiit.com/Application/Runtime/Cache/Home/3c8a1a47a3534a7b1252c226abfc3928.php 第 134 行.
[8] Undefined variable: user /www/wwwroot/www.chaojiit.com/Application/Runtime/Cache/Home/3c8a1a47a3534a7b1252c226abfc3928.php 第 135 行.
[8] Trying to access array offset on value of type null /www/wwwroot/www.chaojiit.com/Application/Runtime/Cache/Home/3c8a1a47a3534a7b1252c226abfc3928.php 第 135 行.
[8] Undefined variable: pinglun_list /www/wwwroot/www.chaojiit.com/Application/Runtime/Cache/Home/3c8a1a47a3534a7b1252c226abfc3928.php 第 144 行.
[8] Undefined variable: top_list /www/wwwroot/www.chaojiit.com/Application/Runtime/Cache/Home/3c8a1a47a3534a7b1252c226abfc3928.php 第 179 行.
    
    
        
    
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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 ]
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SELECT * FROM `article` WHERE `id` = 438483 LIMIT 1   [ RunTime:0.0002s ]
SHOW COLUMNS FROM `bloger` [ RunTime:0.0002s ]
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SHOW COLUMNS FROM `article_content` [ RunTime:0.0002s ]
SELECT `content` FROM `article_content` WHERE `article_id` = 438483 LIMIT 1   [ RunTime:0.0001s ]
SHOW COLUMNS FROM `article_cate` [ RunTime:0.0002s ]
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:0.0050s ]
    
    
        
    
	    
    
    



0.0403s