3v4l.org

run code in 300+ PHP versions simultaneously

@ 2018-04-27T12:12:24Z

<?php
$myarray = array(
                    array(
                    0 => 0,
                    1 => 70, 
                    2 => 19,
                    3 => 0
                    ),
                    array(
                    0 => 0,
                    1 => 24,
                    2 => 14
                    ),
                    array(
                    0 => 0,
                    1 => 15,
                    2 => 11,
                    3 => 0
                    ),
                    array(
                    0 => 0,
                    1 => 15,
                    2 => 27,
                    3 => 0
                    )
                );

foreach($myarray as $k => $values) {
    if (isset($myarray[$k+1])){
        $max = max(sizeof($values), sizeof($myarray[$k+1]));
        for($i = 0; $i < $max; ++$i) {
            $result[$k][$i] = (isset($values[$i]) ? $values[$i] : 0) - (isset($myarray[$k+1][$i]) ? $myarray[$k+1][$i] : 0);
        }
    } else {
        $result[$k] = $values;
    }
}

var_export($result);

var_export: documentation ( source)
max: documentation ( source)

preferences:dark modelive preview

37.14 ms | 402 KiB | 5 Q