《PHP基础知识总结》系列-新鸟老鸟通吃
《PHP基础知识总结》文件夹收藏文章列表
总结PHP基础知识，对初学者还是高手都值得参考巩固。
1PHP检查库或函数是否可用的方法
2关于PHP5 Session生命周期介绍
3PHP页面和Mysql数据库的转UTF8编码问题总结
4WAMP5的配置问题
5揭秘PHP深受Web开发者喜爱的原因
6php获取客户端电脑屏幕参数的方法
7PHP中浮点数计算比较及取整不准确的解决方法
8对于PHP中命名空间概念的入门理解
9php5.4以下版本json不支持不转义内容中文的解决方法
10PHP相关面试中最经常涉及的12个问题
11关于PHP浮点数精度损失问题
12PHP函数extension_loaded()用法实例
13PHP中使用正则表达式提取中文实现笔记
14php实现遍历目录并删除指定文件中指定内容
15PHP中使用break跳出多重循环代码实例
16php数组函数序列之sort() 对数组的元素值进行升序
17PHP中的命名空间相关概念浅析
1850个提高PHP执行效率的技巧 【转载】
19PHP实现的各种中文编码转换类分享
20PHP使用mb_substr()解决中文字符串截取乱码问题
21php中get_object_vars()方法用法实例
22PHP结合HTML5使用FormData对象提交表单及上传图片
23php使用parse_url和parse_str解析URL
24PHP实现加密的几种方式介绍
25PHP 魔术变量和魔术函数详解
26php中数据库连接方式pdo和mysqli对比分析
27php设计模式之单例模式实例分析
28PHP中return用法详细解读
29Java和PHP在Web开发方面对比分析
30PHP获取POST数据的几种方法汇总
31令PHP初学者的困惑的10个知识点
32PHP魔术方法使用总结
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PHP and Python: Comparing Two Popular Programming Languages
Apr 14, 2025 am 12:13 AM
PHP and Python each have their own advantages, and choose according to project requirements. 1.PHP is suitable for web development, especially for rapid development and maintenance of websites. 2. Python is suitable for data science, machine learning and artificial intelligence, with concise syntax and suitable for beginners.
PHP in Action: Real-World Examples and Applications
Apr 14, 2025 am 12:19 AM
PHP is widely used in e-commerce, content management systems and API development. 1) E-commerce: used for shopping cart function and payment processing. 2) Content management system: used for dynamic content generation and user management. 3) API development: used for RESTful API development and API security. Through performance optimization and best practices, the efficiency and maintainability of PHP applications are improved.
Explain secure password hashing in PHP (e.g., password_hash, password_verify). Why not use MD5 or SHA1?
Apr 17, 2025 am 12:06 AM
In PHP, password_hash and password_verify functions should be used to implement secure password hashing, and MD5 or SHA1 should not be used. 1) password_hash generates a hash containing salt values to enhance security. 2) Password_verify verify password and ensure security by comparing hash values. 3) MD5 and SHA1 are vulnerable and lack salt values, and are not suitable for modern password security.
PHP: A Key Language for Web Development
Apr 13, 2025 am 12:08 AM
PHP is a scripting language widely used on the server side, especially suitable for web development. 1.PHP can embed HTML, process HTTP requests and responses, and supports a variety of databases. 2.PHP is used to generate dynamic web content, process form data, access databases, etc., with strong community support and open source resources. 3. PHP is an interpreted language, and the execution process includes lexical analysis, grammatical analysis, compilation and execution. 4.PHP can be combined with MySQL for advanced applications such as user registration systems. 5. When debugging PHP, you can use functions such as error_reporting() and var_dump(). 6. Optimize PHP code to use caching mechanisms, optimize database queries and use built-in functions. 7
How does PHP handle file uploads securely?
Apr 10, 2025 am 09:37 AM
PHP handles file uploads through the $\_FILES variable. The methods to ensure security include: 1. Check upload errors, 2. Verify file type and size, 3. Prevent file overwriting, 4. Move files to a permanent storage location.
How does PHP type hinting work, including scalar types, return types, union types, and nullable types?
Apr 17, 2025 am 12:25 AM
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.
The Enduring Relevance of PHP: Is It Still Alive?
Apr 14, 2025 am 12:12 AM
PHP is still dynamic and still occupies an important position in the field of modern programming. 1) PHP's simplicity and powerful community support make it widely used in web development; 2) Its flexibility and stability make it outstanding in handling web forms, database operations and file processing; 3) PHP is constantly evolving and optimizing, suitable for beginners and experienced developers.
PHP vs. Python: Understanding the Differences
Apr 11, 2025 am 12:15 AM
PHP and Python each have their own advantages, and the choice should be based on project requirements. 1.PHP is suitable for web development, with simple syntax and high execution efficiency. 2. Python is suitable for data science and machine learning, with concise syntax and rich libraries.
