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PHP master looks at an array problem

{Code...} The data in the data inventory is like this ['7','2'] 7 represents the product id and 2 represents the quantity of the product purchased. Now how can I restore it to an array that can be used by PHP?

高洛峰 2017-06-08 11:01:38 0  7  975

The data returned by php query is too large and importing csv files is very slow.

The framework uses ci and the database is sqlsrv (sql server 2008). The result set returned by the sql query has 20,000 pieces of data. I execute this sql statement in the ci framework. The web page keeps spinning. It takes 30 seconds to spin 20,000 pieces of data. Around, but my sql statement is ex...

怪我咯 2017-05-17 09:55:57 0  2  882

I have a problem writing on the forum. Can anyone please help me if you have time?

The favorite post has been deleted by the user, which means that the post table no longer has this post, but the favorite table still has data. I used the associated method to find out that it is empty. However, the result I want is to display the "This post has been deleted" php code : $c...

雪夢晨、曦 2021-04-04 11:05:06 0  2  1074

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  2153

thinkphp returns database data all as strings

I use mamp for local development. There is no problem with the data retrieved from the database. The database is defined as a numeric type and the returned value is also a numeric type. For example: id: 35, but when I deployed it to the server, I used centos+nginx+php. At this time, I found that all...

星星藍藍 2019-04-08 16:59:40 0  5  1539

Easy way to calculate median in MySQL

What is the simplest (and hopefully not too slow) way to calculate the median using MySQL? I've used AVG(x) to find the mean, but I'm having trouble finding an easy way to calculate the median. Currently I return all rows to PHP, sort, and then select the middle rows, but there must be an easy way t...

P粉960525583 2023-08-20 18:05:23 0  2  815

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  605

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  1400

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  2957

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  1188

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  1205

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 2017-10-11 08:00:11 0  0  1151

How to install php7

我無限黑暗里的小太陽▼ 2017-10-11 09:11:44 0  1  1149

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 2017-10-11 10:20:08 0  1  1374

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  5223

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  1696

How to uninstall phpstudy.

whlyx 2017-10-11 15:53:03 0  2  1778

An error warning appears when phpstudy enters the database

Hirtdye 2017-10-11 17:12:35 0  2  1633

Problem with bool value output

<?php//In fact, it can be lowercase, but it is difficult to distinguish, so we stipulate that it is usually uppercase define('xiaoxie',true);echo xiaoxie;$hello=flase;echo $hello;?>Why is the output result of the previous code 1? The subsequent output result is false, shouldn't it be 0?

益?zhèn)?2017-10-11 20:37:54 0  1  1730

PHP source code encryption problem

I just finished writing a website, and the concept of source code encryption has always been vague, and there is very little online information. I would like to know the following questions: 1: There are encryption tools on the Internet. This is easy to understand, but some of them are just function...

按鍵盤手指磨破皮 2017-10-12 01:29:15 0  2  1712