PHP 5.5.31 和 PHP 5.6.17 发布,这两个版本是安全修复版本,建议所有用户都升级到最新版本。
下载: http://www.php.net/downloads.php
Windows 二进制包下载: windows.php.net/download/
PHP 5.6.17 更新日志:
- Core:
- Fixed bug #66909 (configure fails utf8_to_mutf7 test).
- Fixed bug #70958 (Invalid opcode while using ::class as trait method paramater default value).
- Fixed bug #70957 (self::class can not be resolved with reflection for abstract class).
- Fixed bug #70944 (try{ } finally{} can create infinite chains of exceptions).
- Fixed bug #61751 (SAPI build problem on AIX: Undefined symbol: php_register_internal_extensions).
- FPM:
- Fixed bug #70755 (fpm_log.c memory leak and buffer overflow).
- GD:
- Fixed bug #70976 (Memory Read via gdImageRotateInterpolated Array Index Out of Bounds).
- Mysqlnd:
- Fixed bug #68077 (LOAD DATA LOCAL INFILE / open_basedir restriction).
- SOAP:
- Fixed bug #70900 (SoapClient systematic out of memory error).
- Standard:
- Fixed bug #70960 (ReflectionFunction for array_unique returns wrong number of parameters).
- PDO_Firebird:
- Fixed bug #60052 (Integer returned as a 64bit integer on X64_86).
- WDDX:
- Fixed bug #70661 (Use After Free Vulnerability in WDDX Packet Deserialization).
- Fixed bug #70741 (Session WDDX Packet Deserialization Type Confusion Vulnerability).
- XMLRPC:
- Fixed bug #70728 (Type Confusion Vulnerability in PHP_to_XMLRPC_worker()).
PHP 5.5.31 更新日志:
- FPM:
- Fixed bug #70755 (fpm_log.c memory leak and buffer overflow).
- GD:
- Fixed bug #70976 (Memory Read via gdImageRotateInterpolated Array Index Out of Bounds).
- WDDX:
- Fixed bug #70661 (Use After Free Vulnerability in WDDX Packet Deserialization).
- Fixed bug #70741 (Session WDDX Packet Deserialization Type Confusion Vulnerability).
- XMLRPC:
- Fixed bug #70728 (Type Confusion Vulnerability in PHP_to_XMLRPC_worker()).

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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DVWA
Damn Vulnerable Web App (DVWA) is a PHP/MySQL web application that is very vulnerable. Its main goals are to be an aid for security professionals to test their skills and tools in a legal environment, to help web developers better understand the process of securing web applications, and to help teachers/students teach/learn in a classroom environment Web application security. The goal of DVWA is to practice some of the most common web vulnerabilities through a simple and straightforward interface, with varying degrees of difficulty. Please note that this software