تابع ()wordwrap در PHP

<?php
$str = "An example of a long word is: Supercalifragulistic";
echo wordwrap($str,15,"<br>\n");
?>
<?php
$str = "An example of a long word is: Supercalifragulistic";
echo wordwrap($str,15,"<br>\n");
?>اجرای کد

wordwrap(string,width,break,cut)