<?php $keys = [ 'staff_first_name' => null, 'staff_last_name' => null, 'staff_years' => null ]; $submitted_values = [ 'first_name' => 'jon', 'last_name' => 'doe', 'years' => 5 ]; $keyMap = [ 'staff_first_name' => 'first_name', 'staff_last_name' => 'last_name', 'staff_years' => 'years' ]; foreach ($keys as $key => &$value) { $value = $submitted_values[$keyMap[$key] ?? ''] ?? $value; } var_export($keys);
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