i want to add this code where ossn show post in home,timeline,group sir please help me

<?php
         $words = explode(" ",ossn_print("post"));
         foreach($words as $word){

			 if(substr($word, 0, 1)=== "@"){
			echo "<a href="ossn_site_url(substr($word, 1))">".htmlspecialchars($word)."</a> ";
		 }
         elseif(substr($word,0,1)==="+"){
			echo "<a href="tel:" .substr($word, 1).""target="_blank">".escape($word)."</a> ";
		}
		 elseif(substr($word,0,1)==="$"){
			echo "<a href="https://www.google.com#q=" .substr($word, 1)."">".escape($word)."</a> ";
		}
		 elseif(substr($word,0,1)==="!"){
		//code for open article in wikipedia
		}
		 elseif(substr($word,0,1)==="#"){
			//code for hashtag
		 }

		 else{
			 echo " $word ";
		 }
		 }

		?>