仅筛选字母字符-PHP

Posted 2021-02-24

Replace non alpha-numeric characters with php

/**
 * Used to give the full hyperlink for news/events items
 *
 * @param $type string - events/news
 * @param $id int - ID of item for link 
 * @param $title string - item title for link to strip bad chars
 **/
public function seo_slug ( $type, $id, $title ) 
{
	// strip bad chars
	$slug = trim(strtolower(preg_replace("/[^a-zA-Z0-9s]/", "", $title)));
	$slug = str_replace('  ','-', $slug);
	$slug = str_replace(' ','-', $slug);
 
	$url = '/'.$type.'/d/'.$id.'/'.$slug.'/';
 
	return $url;
}