current location：Home > Technical Articles > Daily Programming > PHP Knowledge
- Direction：
- All web3.0 Backend Development Web Front-end Database Operation and Maintenance Development Tools PHP Framework Daily Programming WeChat Applet Common Problem Other Tech CMS Tutorial Java System Tutorial Computer Tutorials Hardware Tutorial Mobile Tutorial Software Tutorial Mobile Game Tutorial
- Classify：
- PHP tutorial MySQL Tutorial HTML Tutorial CSS Tutorial
-
- Under high concurrency, should the database foreign key constraint be used?
- In high concurrency scenarios, the choice of foreign key constraints in databases often encounter a controversial question in projects that pursue high concurrency performance: whether...
- PHP Tutorial . Backend Development 550 2025-04-01 06:21:01
-
- How to generate a permutation combination that does not repeat and does not contiguous identical characters based on a given character set and number of layers?
- Generate permutation combination based on character set and layer number This article will explore how to generate corresponding permutation combinations based on a given character set and layer number. For example, given a word...
- PHP Tutorial . Backend Development 531 2025-04-01 06:18:01
-
- How does Laravel elegantly build database query conditions, like ThinkPHP?
- Flexible construction of Laravel database query conditions When conducting database queries, it is crucial to flexibly build query conditions. This article will explore how to...
- PHP Tutorial . Backend Development 376 2025-04-01 06:15:01
-
- Unexpected output of PHP recursive function: Why does a simple addition function print '85' instead of '8'?
- Detailed explanation of recursive call of PHP function: Analyzing the unexpected output of an additive function This article will explore in-depth examples of a PHP function calling itself and analyze its running machine...
- PHP Tutorial . Backend Development 486 2025-04-01 06:12:01
-
- What are the highest PHP and MySQL versions supported when running AMH panels on RHEL/CentOS 6 amd64?
- The highest PHP/MySQL version of running the AMH panel on RHEL/CentOS6amd64 is for those who need to be in RHEL/CentOS6 due to special needs...
- PHP Tutorial . Backend Development 690 2025-04-01 06:09:01
-
- How to get component_verify_ticket in EasyWechat 5.5 version?
- Get ComponentVerify in EasyWechat 5.5 version...
- PHP Tutorial . Backend Development 530 2025-04-01 06:06:02
-
- How to connect to remote MySQL database in PHP under Linux?
- Using PHP to connect to remote MySQL database in Linux environment This article will answer the question of how to connect to remote MySQL database through PDO extension under Linux system...
- PHP Tutorial . Backend Development 603 2025-04-01 06:03:02
-
- ReactPHP non-blocking feature: How to deal with blocking I/O operations?
- An official introduction to the ReactPHP framework for in-depth understanding of the non-blocking features of ReactPHP has caused many developers to question: "ReactPHP is non-blocking by default. For...
- PHP Tutorial . Backend Development 190 2025-04-01 06:00:05
-
- How to modify the code to achieve a part of a matching IP address from left to right?
- When dealing with IP address matching, Mr. George's code can achieve the effect of matching part from left to right, which is very important for some application scenarios. Compare...
- PHP Tutorial . Backend Development 484 2025-03-31 23:57:01
-
- How to automatically set permissions of unixsocket after system restart?
- How to automatically set the permissions of unixsocket after the system restarts. Every time the system restarts, we need to execute the following command to modify the permissions of unixsocket: sudo...
- PHP Tutorial . Backend Development 1371 2025-03-31 23:54:02
-
- How to solve the problem of 'Undefined array key 'sign'' error when calling Alipay EasySDK using PHP?
- Problem Description When calling Alipay EasySDK using PHP, after filling in the parameters according to the official code, an error message was reported during operation: "Undefined...
- PHP Tutorial . Backend Development 1108 2025-03-31 23:51:01
-
- In Laravel, how to deal with the situation where verification codes are failed to be sent by email?
- The method of handling Laravel's email failure to send verification code is to use Laravel...
- PHP Tutorial . Backend Development 817 2025-03-31 23:48:01
-
- How to trigger the background asynchronous batch sending of SMS messages in the foreground without affecting the user experience?
- How to implement the function of triggering the background asynchronous batch sending of SMS messages in the foreground? In some application scenarios, users need to trigger batch short in the background through foreground operations...
- PHP Tutorial . Backend Development 551 2025-03-31 23:45:02
-
- PHP optimistic locking combined with transaction deduction balance failed: How to ensure that the balance is correctly deducted in concurrency situations?
- Detailed explanation of the problem of deducting balances in combination with PHP optimistic locks and transactions in this article will analyze in detail a balance deduction using PHP, optimistic locks and database transactions, only...
- PHP Tutorial . Backend Development 1216 2025-03-31 23:42:01
Tool Recommendations
jQuery enterprise message form contact code
jQuery enterprise message form contact code is a simple and practical enterprise message form and contact us introduction page code.
form button
2024-02-29
HTML5 MP3 music box playback effects
HTML5 MP3 music box playback special effect is an mp3 music player based on HTML5 css3 to create cute music box emoticons and click the switch button.
Player special effects
2024-02-29
HTML5 cool particle animation navigation menu special effects
HTML5 cool particle animation navigation menu special effect is a special effect that changes color when the navigation menu is hovered by the mouse.
Menu navigation
2024-02-29
jQuery visual form drag and drop editing code
jQuery visual form drag and drop editing code is a visual form based on jQuery and bootstrap framework.
form button
2024-02-29
Organic fruit and vegetable supplier web template Bootstrap5
An organic fruit and vegetable supplier web template-Bootstrap5
Bootstrap template
2023-02-03
Bootstrap3 multifunctional data information background management responsive web page template-Novus
Bootstrap3 multifunctional data information background management responsive web page template-Novus
backend template
2023-02-02
Real estate resource service platform web page template Bootstrap5
Real estate resource service platform web page template Bootstrap5
Bootstrap template
2023-02-02
Simple resume information web template Bootstrap4
Simple resume information web template Bootstrap4
Bootstrap template
2023-02-02
Cute summer elements vector material (EPS PNG)
This is a cute summer element vector material, including the sun, sun hat, coconut tree, bikini, airplane, watermelon, ice cream, ice cream, cold drink, swimming ring, flip-flops, pineapple, conch, shell, starfish, crab, Lemons, sunscreen, sunglasses, etc., the materials are provided in EPS and PNG formats, including JPG previews.
PNG material
2024-05-09
Four red 2023 graduation badges vector material (AI EPS PNG)
This is a red 2023 graduation badge vector material, four in total, available in AI, EPS and PNG formats, including JPG preview.
PNG material
2024-02-29
Singing bird and cart filled with flowers design spring banner vector material (AI EPS)
This is a spring banner vector material designed with singing birds and a cart full of flowers. It is available in AI and EPS formats, including JPG preview.
banner picture
2024-02-29
Golden graduation cap vector material (EPS PNG)
This is a golden graduation cap vector material, available in EPS and PNG formats, including JPG preview.
PNG material
2024-02-27
Home Decor Cleaning and Repair Service Company Website Template
Home Decoration Cleaning and Maintenance Service Company Website Template is a website template download suitable for promotional websites that provide home decoration, cleaning, maintenance and other service organizations. Tip: This template calls the Google font library, and the page may open slowly.
Front-end template
2024-05-09
Fresh color personal resume guide page template
Fresh color matching personal job application resume guide page template is a personal job search resume work display guide page web template download suitable for fresh color matching style. Tip: This template calls the Google font library, and the page may open slowly.
Front-end template
2024-02-29
Designer Creative Job Resume Web Template
Designer Creative Job Resume Web Template is a downloadable web template for personal job resume display suitable for various designer positions. Tip: This template calls the Google font library, and the page may open slowly.
Front-end template
2024-02-28
Modern engineering construction company website template
The modern engineering and construction company website template is a downloadable website template suitable for promotion of the engineering and construction service industry. Tip: This template calls the Google font library, and the page may open slowly.
Front-end template
2024-02-28
