I have a wordpress loop returning a table as follows:

I want to check if this name repeats, and if so, then add up the partial values to show the total. In my screenshot, the 1st and 3rd lines have the same "nome", so the global value should be 85, can anyone tell me how to do this?
my php:
<?php while( have_rows('wallet_repeater') ): the_row();
echo '<div class="promotoras_item_wallet"> ';
echo '<div class="promnames_wallet"> ';
$adicionados = get_sub_field('wallet_promotora');
foreach($adicionados as $post) :
$nome = simple_fields_values("pname1");
$im = simple_fields_values("ftotop");
$cp=$adicionados ;
$imatop = $im;
$data=get_sub_field('wallet_data');
$evento=get_sub_field('wallet_evento');
$obs=get_sub_field("wallet_obs");
$numeros_horas = get_sub_field("Wallet_n_horas");
$valor_horas = get_sub_field("wallet_valorh");
$evento = get_sub_field("wallet_evento");
$horarios = get_sub_field("wallet_horario");
$total_parcial = $valor_horas * $numeros_horas."€";
$ii = wp_get_attachment_image($imatop[0]);
?>
<table id="wallet_table1" width="900px" border="0" cellspacing="2" cellpadding="0">
<tbody>
<tr>
<tr onmouseover="this.style.backgroundColor='#ffff66';" onmouseout="this.style.backgroundColor='#d4e3e5';">
<td class="wallet_data_img" width="5"><div class="w_promotora_images"><?php echo wp_get_attachment_image($imatop[0]); ?></td>
<td class="wallet_data_data" width="20"><?php echo the_sub_field('wallet_data'); ?> </td>
<td class="wallet_data_nome" width="200"><?php echo $nome[0];$nomes[]=$nome[0];?></td>
<td class="wallet_data_evento" width="10"> <?php echo the_sub_field("wallet_evento"); ?></td>
<td class="wallet_data_horarios" width="10"><?php echo the_sub_field("wallet_horario"); ?></td>
<td class="wallet_data_obs" width="10"><?php echo the_sub_field("wallet_obs"); ?></td>
<td class="wallet_data_horas" width="10"><?php echo the_sub_field("Wallet_n_horas")."h"; ?></td>
<td class="wallet_data_valorh" width="5"><?php echo the_sub_field("wallet_valorh")."€"; ?></td>
<td class="wallet_data_props" width="5"><?php echo the_sub_field("wallet_props"); ?></td>
<td class="wallet_data_total" width="5">Parcial: <?php echo $total_parcial; ?> global:
</td> </tr></tbody></table>
<?php
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