Summary
?? I saw an article analyzing the employment situation of "Data Mining" before, and I thought about doing one myself about the employment situation of PHP. (I know that the code is shallow, so please let me go if you are a great person~)
??The data source comes from the first 450 PHP recruitment information of Lagou; the tool uses window10, python2.7, IDE PyCharm 4.5.
??The analysis link about "Data Mining" is as follows: http://mp.weixin.qq.com/s?__biz=MjM5MTYwMjI3Mw==&mid=400107672&idx=1&sn=6b9f2b1da0edd3e92a33eac5ac19336d&scene=5&srcid=1031jvU8Rd D2MUv0admRinyJ#rd
PHP in Which city has greater demand?
From a total value perspective, Beijing has an absolute advantage in PHP jobs, with Beijing, Shanghai, Guangzhou, Shenzhen and Hangzhou accounting for 80% of PHP recruitment needs.
How does the company price employees’ work qualifications?
Judging from the mainstream quantity, those with 1-3 years of work experience are now in the strongest demand, and most companies will offer a price range of 11-15K. There is less demand for jobs under 1 year old, which means that newcomers should not be in a hurry to change jobs in the first 1-2 years and should build up their basic skills. For 3-5 years, most companies can give 20k-25k.
At what stage does the company need PHP?
When the company is in the growth stage, the demand for PHP is significantly greater than that of the already established company. In the early days of the company, most of them were given 5k-10. After financing, the amount is usually 10k-15k. In the AB round, most of them are given 20k-25k. This is when senior PHP engineers are in greatest demand.
What are the high-end industries with high salaries?
The mobile Internet industry is currently at its hottest, and it can be seen from the chart that mobile Internet accounts for the vast majority. Followed by e-commerce, data services, o2o, finance, enterprise services, social networks, culture and entertainment, and education. E-commerce, data services, and o2o account for 80%. Most salaries are between 10-15k.
Commonly used recruitment words for PHP
As can be seen from the table, PHP often appears in mysql/linux and is used in the web field. Front-end (js, css, html) capabilities are often emphasized. Most of the current development frameworks are MVC frameworks. In China, the two mainstream PHP frameworks are thinkphp and yii framework. Companies value a PHPer's teamwork, communication skills, sense of responsibility and problem-solving abilities. Enterprises also value PHP's architectural capabilities. At present, most servers use nginx instead of apache.
The above has introduced the analysis of PHP employment situation, including data mining. I hope it will be helpful to friends who are interested in PHP tutorials.

PHP is mainly procedural programming, but also supports object-oriented programming (OOP); Python supports a variety of paradigms, including OOP, functional and procedural programming. PHP is suitable for web development, and Python is suitable for a variety of applications such as data analysis and machine learning.

PHP originated in 1994 and was developed by RasmusLerdorf. It was originally used to track website visitors and gradually evolved into a server-side scripting language and was widely used in web development. Python was developed by Guidovan Rossum in the late 1980s and was first released in 1991. It emphasizes code readability and simplicity, and is suitable for scientific computing, data analysis and other fields.

PHP is suitable for web development and rapid prototyping, and Python is suitable for data science and machine learning. 1.PHP is used for dynamic web development, with simple syntax and suitable for rapid development. 2. Python has concise syntax, is suitable for multiple fields, and has a strong library ecosystem.

PHP remains important in the modernization process because it supports a large number of websites and applications and adapts to development needs through frameworks. 1.PHP7 improves performance and introduces new features. 2. Modern frameworks such as Laravel, Symfony and CodeIgniter simplify development and improve code quality. 3. Performance optimization and best practices further improve application efficiency.

PHPhassignificantlyimpactedwebdevelopmentandextendsbeyondit.1)ItpowersmajorplatformslikeWordPressandexcelsindatabaseinteractions.2)PHP'sadaptabilityallowsittoscaleforlargeapplicationsusingframeworkslikeLaravel.3)Beyondweb,PHPisusedincommand-linescrip

PHP type prompts to improve code quality and readability. 1) Scalar type tips: Since PHP7.0, basic data types are allowed to be specified in function parameters, such as int, float, etc. 2) Return type prompt: Ensure the consistency of the function return value type. 3) Union type prompt: Since PHP8.0, multiple types are allowed to be specified in function parameters or return values. 4) Nullable type prompt: Allows to include null values and handle functions that may return null values.

In PHP, use the clone keyword to create a copy of the object and customize the cloning behavior through the \_\_clone magic method. 1. Use the clone keyword to make a shallow copy, cloning the object's properties but not the object's properties. 2. The \_\_clone method can deeply copy nested objects to avoid shallow copying problems. 3. Pay attention to avoid circular references and performance problems in cloning, and optimize cloning operations to improve efficiency.

PHP is suitable for web development and content management systems, and Python is suitable for data science, machine learning and automation scripts. 1.PHP performs well in building fast and scalable websites and applications and is commonly used in CMS such as WordPress. 2. Python has performed outstandingly in the fields of data science and machine learning, with rich libraries such as NumPy and TensorFlow.


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