<?php
/**
* View that can be used to generate previews URLs contained within a text
*
* @uses $vars['value'] STR Text to analyze
* @uses $vars['limit'] INT Max number of links to display. 0 for no limit
* @uses $vars['params'] ARR Params to pass to the embed view
*/
$value = elgg_extract('value', $vars, '');
$limit = elgg_extract('limit', $vars, 0);
$params = elgg_extract('params', $vars, array());
$i = 0;
$tokens = hypeapps_extract_tokens($value);
$urls = elgg_extract('urls', $tokens, []);
if (empty($urls)) {
return;
}
foreach ($urls as $url) {
if ($limit > 0 && $i >= $limit) {
continue;
}
$params['href'] = $url;
echo elgg_view('output/card', $params);
$i++;
}
/**
* Extract qualifiers such as hashtags, usernames, urls, and emails
*
* @param string $hook Equals 'extract:qualifiers'
* @param string $type Equals 'scraper'
* @param array $return Qualifiers
* @param array $params Hook params
* @return array
*/
public static function extractTokens($hook, $type, $return, $params)
{
$source = elgg_extract('source', $params);
return hypeapps_extract_tokens($source);
}