从PHP中的帖子数据中获取属性

Question

I'm using laravel to create a simple social network. Users can type @ in the post area to get a list of their friends to mention them. Every mention in a link like this (using zurb/tribute from github)

<a type="mention" href="/user/Jordan" title="Jordan">Jordan</a>

Normal links other than mentions won't have type='mention'

Now when I get the post and insert it into the database I need to get a list of users mentioned in the post. I'm looking for links which have the type ='mention' and if there's any I want to get the title of everyone to insert into the notification system. What PHP code do I need to add in this if statement?

if(stristr(request('post'),' type="mention" ')){

}

Answer 1

Aside from using an AST (Abstract Syntax Tree), your best bet would be to either use DOM on PHP Side, e.g.:

$string = '<a type="mention" href="/user/Jordan" title="Jordan">Jordan</a>';
$doc = new \DOMDocument();
$doc->loadHTML($string);
$xpath = new \DOMXPath($doc);
foreach ($xpath->query("//a[@type='mention']") as $a) {
    $href = $a->getAttribute('href');
    $title = $a->getAttribute('title');
    echo sprintf("Found mention of %s with href of %s
", $title, $href);
}

However, I probably wouldn't be sending the A node back to the server. You should consider working out some way to make it a display-only feature implemented on the browser side, and simply send the "@jordan" string back to the server.