公司原来的系统是php开发的，我需要学习下php来多了解下旧系统，找了一个不错的教程
http://www.111cn.net/w3school/php/php_string.htm
PHP 是一种创建动态交互性站点的强有力的服务器端脚本语言。
PHP 是免费的，并且使用非常广泛。同时，对于像微软 ASP 这样的竞争者来说，PHP 无疑是另一种高效率的选项。PHP 极其适合网站开发，其代码可以直接嵌入 HTML 代码。
PHP 语法非常类似于 Perl 和 C。PHP 常常搭配 Apache (web 服务器) 一起使用。不过它也支持 ISAPI，并且可以运行于 Windows 的微软 IIS 平台。
开始学习 PHP ！
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PHP Logging: Best Practices for PHP Log AnalysisMar 10, 2025 pm 02:32 PMPHP logging is essential for monitoring and debugging web applications, as well as capturing critical events, errors, and runtime behavior. It provides valuable insights into system performance, helps identify issues, and supports faster troubleshoot
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The latest (2018.2.1) professional PHP integrated development tool
MinGW - Minimalist GNU for Windows
This project is in the process of being migrated to osdn.net/projects/mingw, you can continue to follow us there. MinGW: A native Windows port of the GNU Compiler Collection (GCC), freely distributable import libraries and header files for building native Windows applications; includes extensions to the MSVC runtime to support C99 functionality. All MinGW software can run on 64-bit Windows platforms.
WebStorm Mac version
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mPDF
mPDF is a PHP library that can generate PDF files from UTF-8 encoded HTML. The original author, Ian Back, wrote mPDF to output PDF files "on the fly" from his website and handle different languages. It is slower than original scripts like HTML2FPDF and produces larger files when using Unicode fonts, but supports CSS styles etc. and has a lot of enhancements. Supports almost all languages, including RTL (Arabic and Hebrew) and CJK (Chinese, Japanese and Korean). Supports nested block-level elements (such as P, DIV),
