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<?php $customer_data_new = array( 'billing_first_name' => array( '0' =>'Test', '1' => 1 ), 'billing_last_name' => array( '0' =>'Test', '1' => 1 ) ); $newData = array(); foreach( $customer_data_new as $key => $value ) { $newData[$key] = $value[0]; } print_r($newData);
Output for 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
Array ( [billing_first_name] => Test [billing_last_name] => Test )

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