PHP 零基础入门笔记（7）：PHP 常用的系统函数

彭世瑜发布时间：2022-04-17 11:58:35 ，浏览量：1

PHP 常用的系统函数输出函数

print() 类似 echo 输出，返回 1
print_r() 类似 var_dump(), 不会输出类型，只会输出值


    
        
        
        
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	请求信息 : 2025-06-18 20:20:13 HTTP/2.0 GET : /home/article/detail/id/177431.html
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吞吐率 : 2.55req/s
内存开销 : 1,938.87 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=5v3nf1tnhgcms0tu1k57bqf0dh
    
    
        
    
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	[ app_init ] --START--
Run Behavior\BuildLiteBehavior [ RunTime:0.000029s ]
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Run Behavior\ParseTemplateBehavior [ RunTime:0.046497s ]
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Run Behavior\WriteHtmlCacheBehavior [ RunTime:0.000319s ]
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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 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.
    
    
        
    
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SHOW COLUMNS FROM `article_cate` [ RunTime:0.0010s ]
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SELECT * FROM `article` WHERE `bloger_id` = 112 ORDER BY view_count desc LIMIT 0,10   [ RunTime:0.0518s ]
    
    
        
    
	    
    
    



0.3918s