Online PHP editor | output 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 5.6.38 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6: 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 ) )
Output for 8.3.5: Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 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 ) )

preferences:dark modelive preview