<?php $array = [ 'mc_gross' => 10.17, 'protection_eligibility' => 'Eligible', 'address_status' => 'unconfirmed', 'payer_id' => 'STTAC7UV2CVJ4' ]; $result = []; foreach ($array as $key => $value) { $result[str_replace('_', '', ucwords($key, '_'))] = $value; } var_export($result);
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