Online PHP editor | rfc for 0F1IM

@ 2020-03-08T14:41:55Z

<?php
$input = <<<STR
Maths
Maths|Algebre
Maths|Algebre|Algebre 1
Maths|Algebre|Algebre 2
Maths|Algebre|Algebre 3
Maths|Analyse
Maths|Analyse|Analyse 1
Maths|Analyse|Analyse 2
Maths|Probabilité
physics
STR;

function cleanupLines(array $lines): array
{
  foreach ($lines as $index => $line) {
    if ($index > 0 && strpos($line, $lines[$index - 1]) === 0) {
      unset($lines[$index - 1]);
    }
  }
  return $lines;
}

function lineToArray(array $lineParts): array
{
  if (count($lineParts) > 1) {
    return [$lineParts[0] => lineToArray(array_slice($lineParts, 1))];
  }
  return $lineParts;
}

$lines = preg_split('/\r?\n/', $input);
$lines = cleanupLines($lines);

$result = array_reduce($lines, static function (array $result, string $line): array {
  $lineParts = explode('|', $line);
  $arrayPart = lineToArray($lineParts);
  return array_merge_recursive($result, $arrayPart);
}, []);

print_r($result);

Output for git.master, git.master_jit, rfc.property-hooks: Array ( [Maths] => Array ( [Algebre] => Array ( [0] => Algebre 1 [1] => Algebre 2 [2] => Algebre 3 ) [Analyse] => Array ( [0] => Analyse 1 [1] => Analyse 2 ) [0] => Probabilité ) [0] => physics )

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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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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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