Community Learn Tools Library Leisure
search
English
Home > Backend Development > PHP Tutorial > 请教为什么PDO->construct这么耗时啊？

请教为什么PDO->construct这么耗时啊？

WBOY
Release： 2016-06-20 12:35:40
Original
1088 people have browsed it

我做了一个页面，分页刷新数据非常慢，左右想不通，后来用webgrind分析了一下发现PDO->__construct这个构造函数执行的非常慢，都要1秒钟了。非常疑惑，这个函数怎么这么慢，把图片贴上来，请大神指教。


回复讨论(解决方案)

PDO::__construct 将完成数据库连接的操作

Related labels：
请教为什么PDO->construct这么耗时啊？
source：php.cn
Previous article：论坛的发言在写入数据库之前应该怎么操作 Next article：关于购物车实现的小问题 谢谢大家
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Latest Articles by Author
Latest Issues
function_exists() cannot determine the custom function Function test () {return true;} if (function_exists ('test')) {echo "test is function...
From 2024-04-29 11:01:01
0
3
2171
How to display the mobile version of Google Chrome Hello teacher, how can I change Google Chrome into a mobile version?
From 2024-04-23 00:22:19
0
11
2322
The child window operates the parent window, but the output does not respond. The first two sentences are executable, but the last sentence cannot be implemented.
From 2024-04-19 15:37:47
0
1
1957
There is no output in the parent window document.onclick = function(){ window.opener.document.write('I am the output of the child ...
From 2024-04-18 23:52:34
0
1
1834
Where is the courseware about CSS mind mapping? Courseware
From 2024-04-16 10:10:18
0
0
1883
Related Topics
More>
Popular Recommendations
Popular Tutorials
More>
Related Tutorials
Popular Recommendations
Latest courses
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template