Online PHP editor | rfc for gGKeH

@ 2017-02-13T07:58:02Z

<?php

$rows = [
  ['name' => 'name_one', 'y' => '2016', 'q' => '2', 'st' => 1],
  ['name' => 'name_one', 'y' => '2017', 'q' => '3', 'st' => 2],
  ['name' => 'name_two', 'y' => '2017', 'q' => '1', 'st' => 1],
  ['name' => 'name_two', 'y' => '2017', 'q' => '2', 'st' => 2],
];

$data = [];

$names = [];
$years = [];
$qs = [];

foreach ($rows as $row) {
  $link = &$data;
  foreach (['name', 'y'] as $field) {
      if (!isset($link[$row[$field]])) $link[$row[$field]] = [];
      $link = &$link[$row[$field]];
  }
  $link[$row['q']] = $row['st'];
  unset($link);
  //
  $names[$row['name']] = true;
  $years[$row['y']] = true;
  $qs[$row['q']] = true;
}
// Опционально сортируем
$names = array_keys($names); sort($names);
$years = array_keys($years); sort($years);
$qs = array_keys($qs); sort($qs);

?>

<table>
  <tr>
      <th>Name
      <?foreach($years as $y):?>
        <th colspan="<?=count($qs)?>"><?=$y?>
      <?endforeach?>
  <tr>
      <th>&nbsp;
      <?foreach($years as $y):?>
        <?foreach($qs as $q):?>
          <th>q<?=$q?>
        <?endforeach?>
      <?endforeach?>
      
  <?foreach($names as $name):?>
    <tr>
      <td><?=$name?>
    <?foreach($years as $y):?>
      <?foreach($qs as $q):?>
        <td><?=isset($data[$name][$y][$q]) ? $data[$name][$y][$q] : '' ?></td>
      <?endforeach?>
    <?endforeach?>
  <?endforeach?>
</table>

Output for git.master, git.master_jit, rfc.property-hooks: <table> <tr> <th>Name <?foreach($years as $y):?> <th colspan="3"> Warning: Undefined variable $y in /in/gGKeH on line 40 <?endforeach?> <tr> <th>  <?foreach($years as $y):?> <?foreach($qs as $q):?> <th>q Warning: Undefined variable $q in /in/gGKeH on line 46 <?endforeach?> <?endforeach?> <?foreach($names as $name):?> <tr> <td> Warning: Undefined variable $name in /in/gGKeH on line 52 <?foreach($years as $y):?> <?foreach($qs as $q):?> <td> Warning: Undefined variable $name in /in/gGKeH on line 55 Warning: Undefined variable $y in /in/gGKeH on line 55 Warning: Undefined variable $q in /in/gGKeH on line 55 </td> <?endforeach?> <?endforeach?> <?endforeach?> </table>

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2022-12-01 RFC: Property hooks - included in PHP 8.4
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2016-08-14 Arrow functions - withdrawn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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