Summary of usage of php parse_url() function to parse URLs
The parse_url() function in php parses the URL and returns the components of the URL. However, it should be noted that this function is not used to verify the legitimacy of the given URL, but only decomposes it into the parts listed below. Incomplete URLs are also accepted and parse_url() will try to parse them as correctly as possible. This article collects several articles about the parse_url() function to parse URLs. I hope it will be helpful for everyone to understand the parse_url() function.
1.Detailed explanation of the definition and usage of php parse_url() function
The parse_url() function in php parses the URL and returns the components of the url. Its syntax is as follows:
array parse_url(string $url,int component)
The parameter $url is the URL to be parsed, and invalid characters will be replaced with _. $component Specify one of PHP_URL_SCHEME, PHP_URL_HOST, PHP_URL_PORT, PHP_URL_USER, PHP_URL_PASS, PHP_URL_PATH, PHP_URL_QUERY or PHP_URL_FRAGMENT to get the string of the specified part of the URL. (Except when specified as PHP_URL_PORT, an integer value will be returned).
If the $component parameter is omitted, an associative array array will be returned
2.Introduction to the usage of the parse_url() function in php
This article introduces the usage of parse_url() function in php. Friends who need to use parse_url() function can refer to this article. A useful function in PHP is parse_url. The parse_url() function parses the URL and returns the components of the URL. It is especially convenient for analysis of information capture. Examples are as follows:
3.Implementation code for using parse_url() in php to parse URLs (detailed explanation of parse_url)
Often we will send a large list of URLs and then parse them , we can only continue to cut tokens to parse. But in PHP, you must learn to use functions written by predecessors, so that the development speed will be faster than others. Of course, if you want to parse a URL, you have to find relevant instructions. What I want to introduce today is the parse_url function in PHP. This function is mainly used to parse URLs. First, let’s take a look at the prototype of this function. Its official description is as follows:
4.Use php pathinfo(), parse_url(), basename() functions Examples of parsing URLs
PHP functions pathinfo(), parse_url() and basename(). These three are all functions for parsing URLs, but there are some differences. This article lists some examples. , I hope that these examples will help everyone understand the usage and techniques of these three functions more easily. Let’s take a look: The pathinfo function is to obtain the path, directory or file name of the file. The parse_url() function is used to parse URLs and return an associative array of parsed components. This function will not detect whether the URL is legal, but will only try to parse it correctly. The basename() function returns the file name in the path
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The above is the detailed content of Summary of usage of php parse_url() function to parse URLs. For more information, please follow other related articles on the PHP Chinese website!
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