Tag: print_r

For day 17 of 21 in the “PHP Function of the day” series, I’m going to look at print_r(). We have already used print_r() on days 4, 5, and 11. Let’s take a look. <?php $num = 123; $str = “Joe”; $arr = array(1, 2, 3); print_r($num); print_r($str); print_r($arr); ?>   See the output   As you …