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This article provides a comprehensive overview of Uniform Resource Identifiers (URIs), covering their historical evolution, the relationship with URLs and URNs, the syntax defined by RFC standards, character sets, component breakdown, and practical encoding and decoding algorithms for web development.
The article explains PHP's rawurlencode() function, detailing its RFC 3986‑based URL encoding behavior, syntax, parameter description, return value, and provides two practical examples showing how special characters are percent‑encoded in FTP and HTTP links, along with a note on decoding functions.
The article explains PHP's rawurlencode() function, detailing its RFC 3986‑based URL encoding behavior, signature, parameter description, return value, and provides two practical code examples demonstrating how to encode special characters in FTP and HTTP URLs.