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@ 2013-06-19T02:19:21Z

<?php
$arr=Array(Array("segments" => Array(1=>"Gcia de Auditoría Interna",0 => "Auditoria Interna 1"),"groups" => Array("estados" => "sp","cidade" => "sumpaulo")), Array("segments" => Array(2 => "Gerencia Recursos Humanos",1 => "Gcia Dpto Admin de Pers. y Rel. Laboral",0 => "SubGcia Administración de Personal"),"groups" => Array("estados" => "sp","cidade" => "")), Array("segments" => Array(2 => "Gerencia Recursos Humanos",1 => "Gcia Dpto Admin de Pers. y Rel. Laboral",0 => "SubGcia Administración de Personal"),"groups" => Array("estados" => "sp","cidade" => "")));
usort($arr,function($a,$b){
	return strcmp(json_encode($a),json_encode($b));
});
$rst=array();
$cache=array();
while($p=array_shift($arr))
{
	if(empty($cache))
	{
		$cache[]=$p;
	}
	elseif($cache[0]==$p)
	{
		$cache[]=$p;
	}
	else
	{
		$rst[]=array_merge($cache[0],array("total"=>count($cache)));
		$cache=array();
		$cache[]=$p;
	}
}
if(!empty($cache))
{
	$rst[]=array_merge($cache[0],array("total"=>count($cache)));
}
print_r($rst);

Output for git.master, git.master_jit, rfc.property-hooks: Array ( [0] => Array ( [segments] => Array ( [1] => Gcia de Auditoría Interna [0] => Auditoria Interna 1 ) [groups] => Array ( [estados] => sp [cidade] => sumpaulo ) [total] => 1 ) [1] => Array ( [segments] => Array ( [2] => Gerencia Recursos Humanos [1] => Gcia Dpto Admin de Pers. y Rel. Laboral [0] => SubGcia Administración de Personal ) [groups] => Array ( [estados] => sp [cidade] => ) [total] => 2 ) )

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2016-08-14 Arrow functions - withdrawn
2016-05-29 array_change_keys() - withdrawn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2016-03-16 Typed Properties - superseded in favor of Typed Properties 2.0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2015-05-01 Short Closures - declined / withdrawn in favor of Arrow Functions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