PHP

{Code ...} code objective: to execute the controller in sequence. in the event of factory initialization with the name mainClass, the mainClass is asynchronously initialized, and the data is obtained from the background and updated to its own this.

In the framework, how does one disable the database (MySQL) from accidentally reporting errors? For example, I have two excel sheet Upload functions. of course, I have two different processing methods for reading data in excel, but you know that the

About MYSQLutf8mb4 string set. The table structure is as follows: Code {code...} is? For example, solve the problem. About MYSQL utf8mb4 string set. The table structure is as follows: The following code: $ Db = new mysqli ('X', 'XXX', 'xxxxx'); $

I saved a string in html format in the database. now I need to display and display the correct html format on the interface. What should I do? Image description I saved a string in html format in the database. now I need to display and display the

The query of two tables is slow, but the query of one table is fast, or the query of other tables is fast. Query statement (query time in about half a second): {code ...} member table structure (about 40000 pieces of data): {code ...} gift table

The PHP file can be followed by the path. For example: forum. sunhb. meindex. phpadmin. how can this problem be implemented? how can I write code? Thank you. (For beginners, please be patient and answer, thank you.) after you find the php file, you

To upload images through websocket, you need to understand the following: 1. Listen: first, you need to suspend a process to listen for the request from the client. 2. handshaking: for the first legal request, send valid headers back 3. keep the

When uploading a website, the database is connected normally, and the image connection is normal. However, you are not authorized to directly access the image by using the connection. However, the image folder is 777, and the image file is 755, the

Based on user points to determine the level {code...} How to quickly and efficiently determine the level based on user points? If so, several pieces of data can be determined. if it reaches 100 if, the efficiency will decrease. Is there any good way?

In the MYSQLupdatetime field, ONUPDATECURRENT_TIMESTAMP is set. but after the UPDATE operation is executed, what is the possible cause of the time in the database or the time when it is added? {Code ...} MYSQLupdatetimeField setON UPDATE

If you want to use groupby, but it can only display the first entry, but not the latest one, you want to add orderbytimedesc, but orberby can only be added after groupby. Is there any way to query the maximum or minimum data row in the group of

The a tag & amp; lt; ahref & quot; firm_CN_c4ee755e2e3f111b6ce715d7e99e0b3b & quot; & amp; gt; is displayed on a website. if there is no suffix, click it to go to the new page, how is this implemented? This a tag is displayed on a website. Without a

The specific requirement is as follows: bind the beforeunload event to the window and check whether the switch or close page has saved the input content. However, when you click the submit button, the beforeunload event is also triggered, how can I

Recently, I have read the source code of typecho_widget. the parent class of all widgets is not very clear. I would like to ask you. {Code ...} post event trigger * @ paramboolean $ condition trigger condition @ returnmixed * functionon ($ condition)

The framework uses laravel, which writes some data to the log and saves it to the storage directory. the file permission is automatically changed to the root permission after a while, as a result, laravel with only the www permission cannot be

The customer submitted the images and requirements for modification. after uploading the files, I did not store them on the server, but recorded the tmp path by session, after the customer pays for the service, the tmp file is saved to the server.

I can use wireshark to capture the redis password in plain text (I don't know if redis can encrypt the password like mysql ). But I caught the mysql login password and sent it after encryption. how is it encrypted? I can use wireshark to capture

Phpcmsv9 intends to call the thumbnail as a big image of the magic lamp, but the thumbnail is blurred according to the online method {code ...} I tried it in various ways, but it still does not take effect. phpcms v9 intends to call the thumbnail as

My data source is in utf8 format, but I want to sort the data. because it is Chinese, I convert it to gbk or gbk2312, however, the sorting is partially inaccurate. I am using the array_multi_sort method of php to sort the results. in the black box,

The current requirements are as follows: I develop an extension that runs on various open-source cms systems, such as wordpress and discuz. Now, if a user installs and uses our product, we will release a new version, prompting the user to update it.