add bio format method

src/system/helper/format.php

@@ -45,6 +45,22 @@ class Format {
     }
   }
 
+  public static function bio(string $string) {
+
+    $string = preg_replace("|([\s])\*([\S]+)\*([\s]?)|i", "$1<b>$2</b>$3", $string);
+    $string = preg_replace("|([\s])\~([\S]+)\~([\s]?)|i", "$1<i>$2</i>$3", $string);
+    $string = preg_replace("|([\s])\_([\S]+)\_([\s]?)|i", "$1<u>$2</u>$3", $string);
+    $string = preg_replace("|([\s])\-([\S]+)\-([\s]?)|i", "$1<s>$2</s>$3", $string);
+    $string = preg_replace("|([\s])\`([\S]+)\`([\s]?)|i", "$1<samp>$2</samp>$3", $string);
+
+    $string = preg_replace("|@([a-zA-Z0-9_]+)|i", "<a href=\"people/$1\">@$1</a>", $string);
+    $string = preg_replace("|((https?://)+([\d\w\.-]+\.[\w\.]{2,6})[^\s\]\[\<\>]*/?)|i", "<a href=\"$1\" target=\"_blank\">$3</a>", $string);
+
+    $string = nl2br($string);
+
+    return $string;
+  }
+
   public static function post(string $string) {
 
     $string = html_entity_decode($string, ENT_QUOTES, 'UTF-8');