


Winter dates, winter sugar cane, winter melon. Eat the "Three Winters" in the Great Cold 1. Winter jujube Dongzao is very nutritious, containing 19 kinds of essential amino acids such as aspartic acid, threonine, and serine. It is especially rich in vitamin C and has the reputation of "living vitamin pill". It can detoxify and protect liver, prevent and treat cardiovascular diseases, improve human immunity and prevent colds. 2. Winter sugarcane Winter sugarcane can nourish blood and moisturize dryness. It not only refreshes the mind, but also clears away heat, lowers qi, nourishes the lungs and nourishes the stomach. Sugarcane contains a large amount of iron, calcium, phosphorus, manganese, zinc and other trace elements necessary for the human body. Among them, the iron content is particularly high, and it is known as the "blood-tonifying fruit". After winter, many office workers often feel dizzy and lethargic, and their reaction ability decreases. At this time, eating some sugar cane is of great benefit. 3. Winter melon Winter melon contains a lot of dietary fiber, which can help lower blood sugar, lower cholesterol in the body, lower blood lipids, and prevent atherosclerosis. Winter melon has high potassium content and low sodium content. It is also a good dietary supplement for patients with high blood pressure. Recipe: Winter Melon, Mushroom and Seaweed Soup Ingredients: 40 grams of dried shrimps, 400 grams of winter melon, 200 grams of kelp, 20 grams of fresh mushrooms, and a little astragalus. Method: Wash and cut kelp, winter melon and shiitake mushrooms into pieces, wash dried shrimps and astragalus separately. Put kelp, dried shrimps, shiitake mushrooms and astragalus into the pot, add appropriate amount of water, add green onions and ginger slices, cook for about 30 minutes, then add winter melon and cook until cooked, season with soy sauce, rice wine and salt and serve. Reminder: "Sandong" is cool in nature, so don't eat too much at one time, and don't eat it raw. You can add some when making soup or porridge. Like Xiaohan, Dahan is also a solar term that indicates the degree of coldness. It is also the last solar term of the year, followed by the beginning of spring next year. Because it is close to spring, although it is not as cold as the heavy snowfall to the winter solstice and minor cold in meteorological records, it is still in a cold period. Folklore calls it "a small cold or a big cold, and the cold turns into ice balls." At this time, people are busy removing old cloth, making new dishes, pickling New Year dishes, preparing New Year goods, and can already vaguely feel the return of spring. In ancient times, there was a saying: "During severe colds, protect against wind and cold, drink ginseng and astragalus wine in the morning, and take Qiju Dihuang pills in the evening." This is a summary of the life of the wise ancients, and it also shows that people attach great importance to physical care.
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PHP remains a powerful and widely used tool in modern programming, especially in the field of web development. 1) PHP is easy to use and seamlessly integrated with databases, and is the first choice for many developers. 2) It supports dynamic content generation and object-oriented programming, suitable for quickly creating and maintaining websites. 3) PHP's performance can be improved by caching and optimizing database queries, and its extensive community and rich ecosystem make it still important in today's technology stack.

In PHP, weak references are implemented through the WeakReference class and will not prevent the garbage collector from reclaiming objects. Weak references are suitable for scenarios such as caching systems and event listeners. It should be noted that it cannot guarantee the survival of objects and that garbage collection may be delayed.

The \_\_invoke method allows objects to be called like functions. 1. Define the \_\_invoke method so that the object can be called. 2. When using the $obj(...) syntax, PHP will execute the \_\_invoke method. 3. Suitable for scenarios such as logging and calculator, improving code flexibility and readability.

Fibers was introduced in PHP8.1, improving concurrent processing capabilities. 1) Fibers is a lightweight concurrency model similar to coroutines. 2) They allow developers to manually control the execution flow of tasks and are suitable for handling I/O-intensive tasks. 3) Using Fibers can write more efficient and responsive code.

The PHP community provides rich resources and support to help developers grow. 1) Resources include official documentation, tutorials, blogs and open source projects such as Laravel and Symfony. 2) Support can be obtained through StackOverflow, Reddit and Slack channels. 3) Development trends can be learned by following RFC. 4) Integration into the community can be achieved through active participation, contribution to code and learning sharing.

PHP and Python each have their own advantages, and the choice should be based on project requirements. 1.PHP is suitable for web development, with simple syntax and high execution efficiency. 2. Python is suitable for data science and machine learning, with concise syntax and rich libraries.

PHP is not dying, but constantly adapting and evolving. 1) PHP has undergone multiple version iterations since 1994 to adapt to new technology trends. 2) It is currently widely used in e-commerce, content management systems and other fields. 3) PHP8 introduces JIT compiler and other functions to improve performance and modernization. 4) Use OPcache and follow PSR-12 standards to optimize performance and code quality.

The future of PHP will be achieved by adapting to new technology trends and introducing innovative features: 1) Adapting to cloud computing, containerization and microservice architectures, supporting Docker and Kubernetes; 2) introducing JIT compilers and enumeration types to improve performance and data processing efficiency; 3) Continuously optimize performance and promote best practices.


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