1 views collected around this technical thread.
URL encoding ensures safe transmission of special and non‑ASCII characters in web requests, and PHP's built‑in urlencode function—illustrated with both English and Chinese examples—demonstrates how to encode strings, handle spaces, and use rawurlencode when a %20 representation is required.
This article explains how to correctly use PHP's session_start function, demonstrates basic session handling, shows how to control session lifetime with session_set_cookie_params, and describes how to destroy a session using session_destroy, providing practical tips for effective backend session management.
This article explains the importance of URL encoding for transmitting special and non-ASCII characters, demonstrates how to use PHP's urlencode function with example code for both English and Chinese strings, and notes the difference with rawurlencode for space handling.
This article explains the importance of URL encoding for transmitting data safely on the internet, demonstrates how to use PHP's built‑in urlencode function with examples for both ASCII and non‑ASCII strings, and highlights considerations such as space handling and the alternative rawurlencode function.
This article explains the PHP file_get_contents() function, covering its syntax, parameters, return values, practical examples for reading local files and remote URLs, common pitfalls, and best practices for reliable file handling in backend development.
This article explains the PHP move_uploaded_file() function, covering its syntax, parameter meanings, internal workflow checks, and provides two practical code examples demonstrating how to safely move uploaded files to a target directory.