How to obtain url address

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URL address, commonly known as web page address, or web address for short, is a string used to completely describe the address of web pages and other resources on the Internet. It is mainly used in various WWW client programs and server programs; a complete URL address includes the protocol part, web address, File address part. So how to get the url address? PHP Chinese website has brought you relevant tutorials and articles for everyone to learn from. You are welcome to download and read.