/** * Remove HTML tags, including invisible text such as style and * script code, and embedded objects. Add line breaks around * block-level tags to prevent word joining after tag removal. */ public function strip_html_tags( $text ) { $text = preg_replace( array( // Remove invisible content '@<head[^>]*?>.*?</head>@siu', '@<style[^>]*?>.*?</style>@siu', '@<script[^>]*?.*?</script>@siu', '@<object[^>]*?.*?</object>@siu', '@<embed[^>]*?.*?</embed>@siu', '@<applet[^>]*?.*?</applet>@siu', '@<noframes[^>]*?.*?</noframes>@siu', '@<noscript[^>]*?.*?</noscript>@siu', '@<noembed[^>]*?.*?</noembed>@siu', // Add line breaks before and after blocks '@</?((address)|(blockquote)|(center)|(del))@iu', '@</?((div)|(h[1-9])|(ins)|(isindex)|(p)|(pre))@iu', '@</?((dir)|(dl)|(dt)|(dd)|(li)|(menu)|(ol)|(ul))@iu', '@</?((table)|(th)|(td)|(caption))@iu', '@</?((form)|(button)|(fieldset)|(legend)|(input))@iu', '@</?((label)|(select)|(optgroup)|(option)|(textarea))@iu', '@</?((frameset)|(frame)|(iframe))@iu', ), array( ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', ' ', "/n/$0", "/n/$0", "/n/$0", "/n/$0", "/n/$0", "/n/$0", "/n/$0", "/n/$0", ), $text ); return strip_tags( $text ); }
