php preg_replace问题从帖子标题制作seo链接

Question

i made a function for making a keywords from the post title and replace each word in the full post.

this is my function

function myseonew($title,$text){
$title = stripslashes($title);
$text = stripslashes($text);    
$fburl = 'http://' . $_SERVER['SERVER_NAME'] . $_SERVER['REQUEST_URI'];
$keywords = explode(" ",$title);
$regex = '/('.implode('|', $keywords).')/i';
$output = preg_replace($regex, '<a id="smalltext" href="'.$fburl.'">\\1</a>', $text);
return $output;
}

but i faced a problem for the output the characters all of it comes ( �������� ).

so is there any way to solve this issue

by the way my encoding is UTF-8

regards

Answer 1

try using u modifier in your regexp:

$regex = '/('.implode('|', $keywords).')/iu';