Php: how to extract the url address of a website from a string. url-php Tutorial

Source: Internet
Author: User
Php extracts the url of a website from a string. Php extracts the url of a website from a string. This document describes how php extracts the url of a website from a string. Share it with you for your reference. The specific analysis is as follows: php extracts the url of a website from a string.

This example describes how php extracts the url of a website from a string. Share it with you for your reference. The specific analysis is as follows:

Today, I wrote a Q & A system and found that many people have sent links. as the business department wants us to filter out the website address, I will share with you a function to extract the string url address. the code is as follows:

The code is as follows:

$ PostInfo ['answer2'] = 'Yes, commercial loans can be shared by 36%, and provident fund loans can be shared by 16% ||| you can extract the balance from your account for down payment, then, each month, commercial loans can be shared by 36%, and provident fund loans can be shared by 16% | yes, now the class a provident fund is the proportion of the http://www.bkjia.com is the wage base of 34% | ah yes | can be shared, Class A 34%
';

Preg_match_all ("/http: [\/] {2} [a-z] + [.] {1} [a-z \ d \-] + [.] {1} [a-z \ d] * [\/] * [A-Za-z \ d] * [\/] * [A-Za-z \ d] */", $ postInfo ['answer2'], $ array2 );

Print_r ($ array2 );

If (! Emptyempty ($ array2 [0])
{
Foreach ($ array2 [0] as $ k => $ v ){
$ PostInfo ['answer2'] = str_replace ($ array2 [0] [$ k], '', $ postInfo ['answer2']);
}
}



The running result is:

The code is as follows:

(
[0] => Array
(
Http://www.bkjia.com
)
)

I hope this article will help you with PHP programming.

Examples in this article describes how php extracts the url of a website from a string. Share it with you for your reference. The specific analysis is as follows :...

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.