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@ 2019-01-17T19:51:26Z

<?php

$arr = array (
  0 => 
  array (
    'N_127y4Gral' => 
    array (
      0 => '302',
    ),
  ),
  1 => 
  array (
    'N_127y4Gral' => 
    array (
      0 => '288',
    ),
  ),
  2 => 
  array (
    'N_144y4Gral' => 
    array (
      0 => '317',
    ),
  ),
  3 => 
  array (
    'N_144y4Gral' => 
    array (
      0 => '307',
    ),
  ),
  4 => 
  array (
    'N_144y4Gral' => 
    array (
      0 => '332',
    ),
  ));


foreach($arr as $sub){
    foreach($sub as $key => $val){
        $res[$key][] = $val[0];
        if(!isset($count[$key])){
            $count[$key] = 1;
        }else{
            $count[$key]++;
        }
    }
}
$max = max($count);
foreach($res as &$subarray){
    $subarray = array_merge($subarray, array_fill(0,$max-count($subarray), 0));
}
var_dump($res);

Output for git.master, git.master_jit, rfc.property-hooks: array(2) { ["N_127y4Gral"]=> array(3) { [0]=> string(3) "302" [1]=> string(3) "288" [2]=> int(0) } ["N_144y4Gral"]=> &array(3) { [0]=> string(3) "317" [1]=> string(3) "307" [2]=> string(3) "332" } }

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2020-03-21 RFC: Is_Literal - declined
2020-12-04 Enumerations - included in PHP 8.1
2018-06-15 Typed Properties v2 - implemented in PHP 7.4
2016-08-12 Object typehint - included in PHP 7.2
2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn
2016-04-19 Lexical scope support for anonymous classes - suspended
2016-04-17 Functional Interfaces - declined
2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0
2015-08-27 Callable Prototypes - declined
2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions
2015-02-18 Scalar type hints v5 - included in PHP 7
2015-02-14 Union Types - declined
2013-09-22 Anonymous classes - included in PHP 7

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