how to escape html tags in php
/* EXAMPLE: <p>Bed & Breakfast</p> --> <p>Bed & Breakfast</p>
& &
" " (unless ENT_NOQUOTES is set)
' ' or ' (ENT_QUOTES must be set)
< <
> > */
<?php
$new = htmlspecialchars("<a href='test'>Test</a>", ENT_QUOTES);
echo $new; // <a href='test'>Test</a>
?>