shiny

<?php
    $a = [ 'Date','Media','Geo' ];
    $b = [ 'Num' ];
    $subject = [ 'Date'=>'2019-04-26','Media'=>'AAA','Geo'=>'CN','Num'=>105 ];
  
    // 多维数组的最后一项
    $value = array_intersect_key($subject, array_fill_keys($b, 1));
    // 生成多维数组
    $res = createMultiArray($a, $value, $subject);
    var_dump([