Question

How to move all zeroes to end of array in PHP

Answer 1

function move_zeroes_to_end(&$arr) { 
    $len = sizeof($arr); 
 
    $j = 0;
    for ($i = 0; $i < $len; $i++) {
        if ($arr[$i] > 0) {
            $tmp = $arr[$i];
            $arr[$i] = $arr[$j];
            $arr[$j] = $tmp;
            $j++;
        }
    }
} 
   
 
$arr = array(0, 8, 0, 0, 0, 7, 15, 0, 0, 4, 6, 99); 
   
move_zeroes_to_end($arr); 
   
for ($i = 0; $i < sizeof($arr); $i++) 
    echo $arr[$i] . " "; 
     
   
   
     
/*
run:
 
8 7 15 4 6 99 0 0 0 0 0 0 
 
*/

 

70+ SQL courses for beginners and professionals