Question

I am new in PHP

I want to remove last comma of a string, how can i do that.
Here is my code :

<?php
$sub ="economic,maths,science";
$cap = explode(",",$sub);
foreach($cap as $new){
    echo ucfirst($new).",";
    }
?>

any help would be greatly appreciated, thanks in advance.

Answer 1

<?php 
$sub = "economic,maths,science";
$cap = explode(",",$sub);
$count = count($cap);
$i = 1;     
foreach($cap as $newSub){
    if($count>$i){
        echo ucfirst($newSub).",";
    }else{
        echo ucfirst($newSub);
    }
    $i++;
}   
?>