PHP v5.2.5 released_PHP Tutorial
php(做为现在的主流开发语言)是一种新型的cgi(现在已经不多人在用了)程序编写语言,易学易用,运行速度快,可以方便快捷地编写出功能强大,运行速度快,并可同时运行于 Windows、Unix、Linux平台的Web后台程序,内置了对文件上传、密码认证、Cookies操作、邮件收发、动态GIF生成等功能,php(做为现在的主流开发语言) 直接为很多数据库提供原本的连接,包括Oracle(大型网站数据库平台)、Sybase、Postgres、MySQL(和PHP搭配之最佳组合)、Informix、Dbase、Solid、 access(小型网站之最爱)等,完全支持ODBC接口,用户更换平台时,无需变换php(做为现在的主流开发语言)代码,可即拿即用.
Version 5.2.5
08-November-2007
* Security Fixes
o Fixed dl() to only accept filenames. reported by Laurent Gaffie.
o Fixed dl() to limit argument size to MAXPATHLEN (CVE-2007-4887).
o Fixed htmlentities/htmlspecialchars not to accept partial multibyte sequences.
o Fixed possible triggering of buffer overflows inside glibc implementations of the fnmatch(), setlocale() and glob() functions. Reported by Laurent Gaffie.
o Fixed "mail.force_extra_parameters" php(做为现在的主流开发语言).ini directive not to be modifiable in .htaccess(小型网站之最爱) due to the security implications reported by SecurityReason.
o Fixed bug #42869 (automatic session id insertion adds sessions id to non-local forms).
o Fixed bug #41561 (Values set with php(做为现在的主流开发语言)_admin_* in httpd.conf can be overwritten with ini_set()).
* Upgraded PCRE to version 7.3 (Nuno)
* Added optional parameter $provide_object to debug_backtrace(). (Sebastian)
* Added alpha support for imagefilter() IMG_FILTER_COLORIZE. (Pierre)
* Added ability to control memory consumption between request using ZEND_MM_COMPACT environment variable. (Dmitry)
* Improved speed of array_intersect_key(), array_intersect_assoc(), array_uintersect_assoc(), array_diff_key(), array_diff_assoc() and array_udiff_assoc(). (Dmitry)
* Fixed move_uploaded_file() to always set file permissions of resulting file according to UMASK. (Andrew Sitnikov)
* Fixed possible crash in ext/soap because of uninitialized value. (Zdash Urf)
* Fixed regression in glob() when enforcing safe_mode/open_basedir checks on paths containing *. (Ilia)
* Fixed PDO crash when driver returns empty LOB stream. (Stas)
* Fixed iconv_*() functions to limit argument sizes as workaround to libc bug (CVE-2007-4783, CVE-2007-4840 by Laurent Gaffie). (Christian Hoffmann, Stas)
* Fixed missing brackets leading to build warning and error in the log. Win32 code. (Andrey)
* Fixed leaks with multiple connects on one MySQL(和PHP搭配之最佳组合)i object. (Andrey)
* Fixed endianness detection on MacOS when building universal binary. (Uwe Schindler, Christian Speich, Tony)
* Fixed imagerectangle regression with 1x1 rectangle (libgd #106). (Pierre)
* Fixed bug #43196 (array_intersect_assoc() crashes with non-array input). (Jani)
* Fixed bug #43139 (PDO ignores ATTR_DEFAULT_FETCH_MODE in some cases with fetchAll()). (Ilia)
* Fixed bug #43137 (rmdir() and rename() do not clear statcache). (Jani)
* Fixed bug #43130 (Bound parameters cannot have - in their name). (Ilia)
* Fixed bug #43099 (xml(标准化越来越近了)Writer::endElement() does not check # of params). (Ilia)
* Fixed bug #43020 (Warning message is missing with shuffle() and more than one argument). (Scott)
* Fixed bug #42976 (Crash when constructor for newInstance() or newInstanceArgs() fails) (Ilia)
* Fixed bug #42943 (ext/mssql(WINDOWS平台上强大的数据库平台): Move *timeout initialization from RINIT to connect time). (Ilia)
* Fixed bug #42917 (PDO::FETCH_KEY_PAIR doesnt work with setFetchMode). (Ilia)
* Fixed bug #42890 (Constant "LIST" defined by MySQL(和PHP搭配之最佳组合)client and c-client). (Andrey)
* Fixed bug #42818 ($foo = clone(array()); leaks memory). (Dmitry)
* Fixed bug #42817 (clone() on a non-object does not result in a fatal error). (Ilia)
* Fixed bug #42785 (json_encode() formats doubles according to locale rather then following standard syntax). (Ilia)
* Fixed bug #42783 (pg_insert() does not accept an empty list for insertion). (Ilia)
* Fixed bug #42773 (WSDL error causes HTTP 500 Response). (Dmitry)
* Fixed bug #42772 (Storing $this in a static var fails while handling a cast to string). (Dmitry)
* Fixed bug #42767 (highlight_string() truncates trailing comment). (Ilia)
* Fixed bug #42739 (mkdir() doesnt like a trailing slash when safe_mode is enabled). (Ilia)
* Fixed bug #42703 (Exception raised in an iterator::current() causes segfault in FilterIterator) (Marcus)
* Fixed bug #42699 (php(做为现在的主流开发语言)_SELF duplicates path). (Dmitry)
* Fixed bug #42654 (RecursiveIteratorIterator modifies only part of leaves) (Marcus)
* Fixed bug #42643 (CLI segfaults if using ATTR_PERSISTENT). (Ilia)
* Fixed bug #42637 (SoapFault : Only http and https are allowed). (Bill Moran)
* Fixed bug #42629 (Dynamically loaded php(做为现在的主流开发语言) extensions need symbols exported on MacOSX). (jdolecek at NetBSD dot org)
* Fixed bug #42627 (bz2 extension fails to build with -fno-common). (dolecek at netbsd dot org)
* Fixed bug #42596 (session.save_path MODE option does not work). (Ilia)
* Fixed bug #42590 (Make the engine recognize v and f escape sequences). (Ilia)
* Fixed bug #42587 (behavior change regarding symlinked .php(做为现在的主流开发语言) files). (Dmitry)
* Fixed bug #42579 (apache(Unix平台最流行的WEB服务器平台)_reset_timeout() does not exist). (Jani)
* Fixed bug #42549 (ext/MySQL(和PHP搭配之最佳组合) failed to compile with libMySQL(和PHP搭配之最佳组合) 3.23). (Scott)
* Fixed bug #42523 (php(做为现在的主流开发语言)_SELF duplicates path). (Dmitry)
* Fixed bug #42512 (ip2long(255.255.255.255) should return 4294967295 on 64-bit php(做为现在的主流开发语言)). (Der
The Continued Use of PHP: Reasons for Its EnduranceApr 19, 2025 am 12:23 AMWhat’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: Exploring Their Similarities and DifferencesApr 19, 2025 am 12:21 AMPHP 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 and Python: Different Paradigms ExplainedApr 18, 2025 am 12:26 AMPHP 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 and Python: A Deep Dive into Their HistoryApr 18, 2025 am 12:25 AMPHP 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.
Choosing Between PHP and Python: A GuideApr 18, 2025 am 12:24 AMPHP 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 and Frameworks: Modernizing the LanguageApr 18, 2025 am 12:14 AMPHP 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.
PHP's Impact: Web Development and BeyondApr 18, 2025 am 12:10 AMPHPhassignificantlyimpactedwebdevelopmentandextendsbeyondit.1)ItpowersmajorplatformslikeWordPressandexcelsindatabaseinteractions.2)PHP'sadaptabilityallowsittoscaleforlargeapplicationsusingframeworkslikeLaravel.3)Beyondweb,PHPisusedincommand-linescrip
How does PHP type hinting work, including scalar types, return types, union types, and nullable types?Apr 17, 2025 am 12:25 AMPHP 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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