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

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 :...