<?php $array = [ (object)['label' => '3-6 Months'], (object)['label' => '0-3 Months'], (object)['label' => '6-12 Months'], (object)['label' => '12-18 Months'], ]; $foo = function($a, $b) { return strnatcmp($a->label, $b->label); }; var_dump($array); print_r($array); usort($array, $foo); print_r($array);
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