Summary of common php url processing functions

This article mainly introduces common php url processing functions. The example summarizes some commonly used URL processing functions, such as parse_url, rawurldecode, urlencode, and urldecode, which are of great practical value, you can refer to the example below to summarize several url encoding parsing functions in php, such as parse_url, rawurldecode, rawurlencode, urldecode, and urlencode. share it with you for your reference. The usage is as follows:

The following describes the introduction and examples: parse_url ($ str url );

Convert a url to an array: print_r (parse_url ("www.bitsCN.com"). parse the url and return an array. the url-specific format string is restored to a normal string.

Syntax: string rawurldecode (string str );

Return value: string

Function type: encoding

Description: This function decodes a string from the special format of the url string to a normal string. for detailed encoding and decoding information and specification files, refer to rfc 1738. the code is as follows:

The code is as follows:

Echo rawurldecode ('foo % 20bar % 40baz'); // output foo bar @ baz
String rawurlencode (string str)

Returns a string -_. all other non-alphanumeric characters will be replaced with a semicolon (%) followed by two hexadecimal numbers, which is the encoding described in rfc 1738, it is to protect the original characters from being interpreted as special url delimiters, and protect the url format to prevent them from being transmitted to media. for example, in some mail systems, character conversion is messy. for example, if you want to include the password in the ftp url:

The code is as follows:

$ Str = "http://www.bitsCN.com"; // defines a string
$ Result = rawurlencode ($ str); // Encode the specified string
Echo $ result;
/*
Urldecode ()
Url decoding
* /// Output result
$ Str = "http % 3a % 2f % 2fwww.bitsCN.com ";
$ Result = urldecode ($ str );
Echo $ result;
/*
Urlencode ()
Url encoding
*/
$ Str = "http://www.bitsCN.com"; // defines a string
$ Result = urlencode ($ str); // Encode the specified string
Echo $ result; // output result

I hope this article will help you with PHP programming.