<?php $data = [ 'weeks' => [ 14 => [ 'some_sku' => 28.5, 'some_sku_1' => 10.8, 'some_sku_2' => 11.21, 'some_sku_3' => 19.98, 'some_sku_4' => 20.79 ], 31 => [ 'some_sku_1' => 28.5, 'some_sku_5' => 10.8, 'some_sku_6' => 11.21, 'some_sku_7' => 19.98, 'some_sku_9' => 20.79 ] ] ]; foreach ($data as $el) { usort($el, function($a, $b) { return $a < $b; }); } echo '<pre>'. print_r($data, 1) .'</pre>';
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