PHP (recursive acronym for "PHP: Hypertext Preprocessor") is a widely-used, open source, general-purpose scripting language that is especially suited for Web development and can be embedded into HTML.
PHP（“PHP: Hypertext Preprocessor” 的缩写）是一种被广泛使用的开放源码的通用脚本编程语言，尤其适合进行 Web 开发并可以嵌入 HTML 中。
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InfoQ: PHP as a language has evolved over the years by following the dominant paradigms and going from a simple preprocessor to a powerful OO language.
Alternatively, this header stop point can also be specified as #pragma hdrstop, if it is encountered in the sources before a valid non-preprocessorlanguage keyword in the source text.