Why this sign '+' is not being displayed when i fetch it from a mysql database

[jd2007]

Why  this sign '+' is not being displayed when i fetch it from a mysql database  ?

[Barand]

By default, the + sign is not printed for positive numbers, but you can force it

 

<?php
$a = array (-20 , 30);

foreach ($a as $num) printf ('%+d<br>', $num) ;
?>

 

-->

-20

+30