Problems running PHP Debug Extension_PHP Tutorial
Bangkejia (www.Bkjia.com) tutorialToday a netizen sent me an email asking me that it has opened a php extension. The release version can run, but this The debug version cannot be run.
In fact, the basic principle is very simple. The core of PHP is in php5ts.dll. If you are using the debug version, you must call php5ts_debug.dll. This dll is not officially provided by PHP, but you can get it by recompiling PHP. Of course, recompiling PHP is a difficult task under Windows.
Also, the php.exe file must also be a debug version, otherwise the following error will be reported:
以下为引用的内容: PHP Warning: PHP Startup: vehicles: Unable to initialize module Module compiled with module API=20060613, debug=1, thread-safety=1 PHP compiled with module API=20060613, debug=0, thread-safety=1 These options need to match |
Friends who develop PHP extensions must pay attention.
Also, by the way, why is it that PHP is obviously slower than Java, but many times when the same function is written on a web page, PHP is faster? It is very simple. PHP functions are written in C. Sometimes , a lot of logic and operations are encapsulated inside. Therefore, PHP displays faster.
For example, try PHP's word segmentation expansion and Java's word segmentation software. They are also imitated by the Chinese Academy of Sciences' word segmentation. The algorithms are basically the same. It takes about 5s for Java to load the dictionary, while the PHP extension written in C only takes about 0.5s. Therefore, if you want to develop enterprise-level applications, friends who study PHP, it is still beneficial to learn some C extension knowledge. Of course, the basics of C language should be better.

What’s still popular is the ease of use, flexibility and a strong ecosystem. 1) Ease of use and simple syntax make it the first choice for beginners. 2) Closely integrated with web development, excellent interaction with HTTP requests and database. 3) The huge ecosystem provides a wealth of tools and libraries. 4) Active community and open source nature adapts them to new needs and technology trends.

PHP and Python are both high-level programming languages that are widely used in web development, data processing and automation tasks. 1.PHP is often used to build dynamic websites and content management systems, while Python is often used to build web frameworks and data science. 2.PHP uses echo to output content, Python uses print. 3. Both support object-oriented programming, but the syntax and keywords are different. 4. PHP supports weak type conversion, while Python is more stringent. 5. PHP performance optimization includes using OPcache and asynchronous programming, while Python uses cProfile and asynchronous programming.

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.


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