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class shared variable problem

For example, I have a class that has a static global variable a; it can also be non-static and then there is 1.php to assign the value of a to the class variable a to 88888; there is also 2.php how to get the variable of class a; Three different files, class, 1.php, 2.php

脾氣超好 2019-09-03 23:33:27 0  1  1321

File Server - How to implement file synchronization between Python servers?

How to use Python to copy files, for example, generate a configuration file through the WEB interface, then compare this file with the file on the remote server, and then synchronize it. What module is more suitable for this? And if it is a directory, what should I use? Implement a function similar ...

ringa_lee 2017-05-18 10:59:16 0  1  858

php file_get_contents can only be obtained once

It's like this. I'm doing a PHP test to receive large files. The front-end will cut the files into many small bold files. I need to save these small files first and then splice the content. Now when reading the content of each file, only I succeeded for the first time, please teach me!

周沭 2018-12-07 10:05:01 0  0  770

python - How to count the word frequency of an English API development document (such as javadoc document)?

For example, a simpler function is how to count the word frequency of an English API development document? (The document may be multiple html files, or it may be a chm file, not a simple txt text); The more complicated requirement is that because the development document involves many class names, f...

迷茫 2017-07-05 10:35:00 0  2  1308

Why do PDO and PDOStatement exist at the same time? What are the considerations for this design?

Problem description: We all know that since PHP 5.1.0, PDO has been a standard part of PHP. PDO provides three classes: PDO, PDOStatement and PDOException. Needless to say, the PDOException class depends on its name for function and positioning. It's all clear. So the question comes: why at the same...

我想大聲告訴你 2017-05-16 13:11:25 0  3  867

Questions about legality

I am a newbie, and a security issue suddenly occurred to me when I was writing code today. For various ajax requests, can hackers submit code externally? Because the JS file browser can see it, that is, it can know your code. So if a hacker uses our domain name to submit it externally, can PHP deter...

按鍵盤(pán)手指磨破皮 2017-09-01 14:07:24 0  3  1946

How does PHP save setting information locally?

For example, there are many forms in a PHP page, which require users to fill in some information parameters. Generally, these information parameters are saved in the database, right? The next time the user opens it, it will be read from the database and filled in automatically. What I'm thinking abo...

流年 2019-08-20 11:38:56 0  2  1189

How to get openid after scanning the QR code image generated with PHP?

I used the PHP QR code generation class library to generate a QR code picture (not generated by the WeChat interface). I want to get the openid of a WeChat user after scanning the QR code. How can I implement this function? (I previously thought of using web page authorization to achieve this, but t...

LRTRL 2017-06-28 16:57:44 0  1  2148

Laravel Modal does not return data

I don't know why I'm not getting the value from the modal in my Laravel controller. Please check it for me. However, I use the same code for other modes and controllers. It's working and returning the value from the property without any issues. I'm using Laravel8 and php8.1; below is my code. app\Ht...

P粉174151913 2024-03-29 10:31:31 0  1  586

Can I use the automatic generation module of thinkphp5 in Windows 7 system? How to configure and use

明民 2017-10-10 17:04:14 0  2  1379

After installing the PHP toolbox, all the mysql tables in phpstudy that I installed before are gone. What should I do?

After installing the PHP toolbox, all the mysql tables in phpstudy that I installed before are gone. What should I do?

劉袁銘 2017-10-10 19:25:59 0  4  2936

mcrypt_get_key_size()

To use mcrypt_get_key_size() in php study, how to enable mcrypt_

劉袁銘 2017-10-10 19:47:34 0  1  1167

Detecting login status and preventing repeated login status in TP5 - My page is wrong

冥冥之中天注定 2017-10-10 22:49:15 0  0  1180

Issues with resending WeChat public account template messages?

For example: I am using PHP to develop WeChat public accounts. If I send a template message, the WeChat client may receive 1-3 messages. I checked Baidu and said that the WeChat server will resend in 5 seconds. How to solve this problem?

飛揚(yáng) 2017-10-11 08:00:11 0  0  1139

How to install php7

我無(wú)限黑暗里的小太陽(yáng)▼ 2017-10-11 09:11:44 0  1  1143

Solve (no language limit)

A census taker asked a woman, "How many children do you have and how old are they?" The woman replied, "I have three children. Their ages multiplied is 36. The sum of their ages is equal to the house number of the segregated room." Census The enumerator immediately went to the ne...

路過(guò) 2017-10-11 10:20:08 0  1  1359

There is no WWW file in the phpStudy directory. Enter localhost in the website and the hello world solution will come out directly! I created the WWW folder in the root directory and then created an abc.php. localhost/abc.php still didn't come out and an error was reported. not found

<?phpphpinfo();?>

M..moli瞎 2017-10-11 11:45:27 0  7  5208

Find an authoritative and practical development tutorial or article on WeChat scan code authorization to log in to the website

Find an authoritative and practical development tutorial or article on WeChat scan code authorization to log in to the website

極世 2017-10-11 12:33:15 0  1  1681

How to uninstall phpstudy.

whlyx 2017-10-11 15:53:03 0  2  1764

An error warning appears when phpstudy enters the database

Hirtdye 2017-10-11 17:12:35 0  2  1621