21 Best Practices for Writing Secure PHP Code Developing secure PHP code is essential to protect web applications from various threats such as SQL injection, cross-site scripting (XSS), and unauthorized access. By following a set of best practices, developers can significantly enhance the security of their PHP applications. This article outlines 21 best practices that can help in writing secure PHP code, covering areas such as input validation, authentication, session management, secure file handling, and more. Here's a list of 21 best practices for writing secure PHP code: 1. Enable Error Reporting and Handle Errors Appropriately: Enabling error reporting during development helps identify potential vulnerabilities. Handle errors gracefully, avoiding the display of sensitive information that could aid attackers. 2. Validate and Sanitize User Input: Implement thorough validation and sanitization techniques to prevent attacks such as SQL injection and cross-site scripting (XSS). Uti...
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