<?php $gatos = array( array( "id" => 1, "name" => "Titus", "fecha" => new \DateTime(), ), array( "id" => 2, "name" => "Gato", "fecha" => new \DateTime(), ), ); usort($gatos, function($gato1,$gato2){ return strcmp($gato1["fecha"]->format("md"),$gato2["fecha"]->format("md")); }); var_dump($gatos);
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