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<?php class ObjPrueba { var $nombre; var $age; function ObjPrueba($nombre, $age) { $this->nombre = $nombre; $this->age = $age; } /* Ésta es la función de comparación estática: */ static function cmp_obj($a, $b) { $al = ($a->age); $bl = ($b->age); if ($al == $bl) { return 0; } return ($al < $bl) ? +1 : -1; } } $a[] = new ObjPrueba("c", 22); $a[] = new ObjPrueba("b", 15); $a[] = new ObjPrueba("d", 2); usort($a, array("ObjPrueba", "cmp_obj")); foreach ($a as $elemento) { echo $elemento->nombre ." -> ". $elemento->age. "\n"; }
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
-> -> ->
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.31, 7.4.0 - 7.4.33
Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; ObjPrueba has a deprecated constructor in /in/8fH9O on line 3 c -> 22 b -> 15 d -> 2
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.3.32 - 7.3.33
c -> 22 b -> 15 d -> 2

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