Php array_merge 到一个结果

Question

How to combine all the arrays into one total result? now the results with echo like 252 299 i need get total result 252+299 and get from echo 551

<?php
    $videoListt = array_merge($topchan1["items"],$topchan2["items"]);
    for( $i= 0 ; $i <= count($videoListt)-1 ; $i++ )
    {
        echo $videoListt[$i]["statistics"]["subscriberCount"];
    }
?>

Answer 1

You can increment a variable from within each iteration of your loop, then output it at the end:

$subscriberCount = 0;
for ($i = 0; $i <= count($videoListt) - 1; $i++) {
    $subscriberCount += $videoListt[$i]['statistics']['subscriberCount'];
}
echo $subscriberCount;