Online PHP editor | rfc for IJrQH

@ 2017-02-17T08:35:16Z

<?php

$data = array(
  array( "name" => "SomeName", "type" => "A"),
  array( "name" => "SomeName", "type" => "A"),
  array( "name" => "SomeName", "type" => "A"),
  array( "name" => "SomeName", "type" => "A"),
  array( "name" => "SomeName", "type" => "A"),
  array( "name" => "SomeName", "type" => "B"),
  array( "name" => "SomeName", "type" => "B"),
  array( "name" => "SomeName", "type" => "B"),
  array( "name" => "SomeName", "type" => "C"),
  array( "name" => "SomeName", "type" => "C")
);

// split data into arrays of distinct type
$buckets = array_reduce($data, function($result, $item) {
	$type = $item["type"];
	if (!isset($result[$type])) {
		$result[$type] = [];
	}
	array_push($result[$type], $item);
	return $result;
}, []);
// sort buckets by size
usort($buckets, function($a, $b) {
	return count($b) - count($a);
});
// merge buckets to single array sorted by type
// and split to chunks of size of the largest bucket
$table = array_chunk(array_merge(...$buckets), count($buckets[0]));
// compute final array by merging each column
$result = [];
foreach (array_keys($table[0]) as $i) {
	$result = array_merge($result, array_column($table, $i));
}
print_r($result);

Output for git.master, git.master_jit, rfc.property-hooks: Array ( [0] => Array ( [name] => SomeName [type] => A ) [1] => Array ( [name] => SomeName [type] => B ) [2] => Array ( [name] => SomeName [type] => A ) [3] => Array ( [name] => SomeName [type] => B ) [4] => Array ( [name] => SomeName [type] => A ) [5] => Array ( [name] => SomeName [type] => B ) [6] => Array ( [name] => SomeName [type] => A ) [7] => Array ( [name] => SomeName [type] => C ) [8] => Array ( [name] => SomeName [type] => A ) [9] => Array ( [name] => SomeName [type] => C ) )

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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