@ 2015-10-10T11:22:18Z <?php
function gethashtags($text)
{
//Match the hashtags
preg_match_all('/(^|[^a-z0-9_])#([a-z0-9_]+)/i', $text, $matchedHashtags);
$hashtag = '';
// For each hashtag, strip all characters but alpha numeric
if(!empty($matchedHashtags[0])) {
foreach($matchedHashtags[0] as $match) {
$hashtag[] = preg_replace("/[^a-z0-9]+/i", "", $match);
}
}
//to remove last comma in a string
//return rtrim($hashtag, ',');
return $hashtag;
}
//usage
$text = "dfd'fdfd%#df";
print_R(gethashtags($text));
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Output for 7.1.0 - 7.1.33 , 7.2.0 - 7.2.33 , 7.3.0 - 7.3.33 , 7.4.0 - 7.4.33 , 8.0.0 - 8.0.30 , 8.1.0 - 8.1.28 , 8.2.0 - 8.2.18 , 8.3.0 - 8.3.6 Fatal error: Uncaught Error: [] operator not supported for strings in /in/MAN8N:11
Stack trace:
#0 /in/MAN8N(20): gethashtags('dfd'fdfd%#df')
#1 {main}
thrown in /in/MAN8N on line 11
Process exited with code 255 . Output for 5.4.0 - 5.4.45 , 5.5.0 - 5.5.38 , 5.6.0 - 5.6.40 , 7.0.0 - 7.0.33 Array
(
[0] => df
)
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243.79 ms | 402 KiB | 376 Q