<?php
$newArray = array();
$total    = 30;
$m        = 4;
$skip     = 4;
for ($i = 1; $i <= $total; $i++) {
    $newArray[$i] = $i;
}
unset($i);
echo "<pre>";
print_r($newArray);
echo "</pre>";
$count = count($newArray);
 
 
 
 
for ($k = 1; $k <= $count - $m; $k++) {
 
    for ($i = 1; $i < $skip; $i++) {
        next($newArray);
        $d = current($newArray);
 
        if (!isset($newArray[$d])) {
            $z = $skip - $i - 1; //2
 
            reset($newArray);
 
 
            for ($s = 1; $s < $z; $s++) {
                next($newArray);
            }
            $d = current($newArray);
        }
    }
 
    unset($newArray[$d]);
 
 
}
 
 
echo "<pre>";
print_r($newArray);
echo "</pre>";
 

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