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<?php $data = array(array("Price" => 66), array("Price" => 99)); function extractPrice($guestPrices, $priceType) { $modifier = 10; $newArray = array(); foreach($guestPrices as $guestPrice){ $newArray[] = $guestPrice[$priceType]*$modifier; } return $newArray; } var_dump(extractPrice($data, 'Price'));
Output for git.master, git.master_jit, rfc.property-hooks
array(2) { [0]=> int(660) [1]=> int(990) }

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