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Editorial Team
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Asked: 2026-06-13T00:33:52+00:00

Basically I am trying to multiply values together. I have a ul below that

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Basically I am trying to multiply values together.

I have a ul below that is echo’ing out a numeric value,:

<ul class="TCE">
<li><span>Average drink cost</span>&nbsp;&nbsp;<?php echo the_field('average_drink_price'); ?></li>
<li><span>Average drinks spenditure per night</span>&nbsp;&nbsp;<?php echo the_field('average_drinks_spenditure_per_night'); ?></li>
<li><span>Average drinks spenditure for the year</span>&nbsp;&nbsp;<!-- JAVA BIT --></li>
<li><span>Average drinks spenditure for 3 years</span>&nbsp;&nbsp; <!-- JAVA BIT --></li>
</ul>

I want the third li to get the value of the second li and then multiply that value by exactly 28.

I then want the fourth li to get the value of the third li and multiply that by 3.

So it goes a little like this:

li-2 x 28 = li-3
li-3 x 3 = li-4

If that makes sense? The value’s for li1 and li2 will be generated via that PHP field, any help on this as I have no idea where to start?

Updated PHP testing:

<?php
var_dump(the_field('average_drinks_spenditure_per_night')); 
$li2 = the_field('average_drinks_spenditure_per_night');
$li3 = ($li2 * 28) * 2.1;
$li4 = $li3 * 3;
?>

<ul class="TCE">
<li><span>Average drink cost</span>&nbsp;&nbsp;<?php echo the_field('average_drink_price'); ?></li>
<li><span>Average drinks spenditure per night</span>&nbsp;&nbsp;<?php echo $li2; ?></li>
<li><span>Average drinks spenditure for the year</span>&nbsp;&nbsp;<?php echo $li3;?><!-- JAVA BIT --></li>
<li><span>Average drinks spenditure for 3 years</span>&nbsp;&nbsp; <?php echo $li4;?><!-- JAVA BIT --></li>
</ul>
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1 Answer

  1. Editorial Team

    TRY

    <?php 
$li2 = 1;
if(is_numeric(trim(the_field('average_drinks_spenditure_per_night'))))
 $li2 = trim(the_field('average_drinks_spenditure_per_night'));
$li3 = $li2 * 28;
$li4 = $li3 * 3;

?>

<ul class="TCE">
<li><span>Average drink cost</span>&nbsp;&nbsp;<?php echo   the_field('average_drink_price'); ?></li>
<li><span>Average drinks spenditure per night</span>&nbsp;&nbsp;<?php echo $li2; ?></li>
<li><span>Average drinks spenditure for the year</span>&nbsp;&nbsp;<?php  echo $li3;?><!-- JAVA BIT --></li>
<li><span>Average drinks spenditure for 3 years</span>&nbsp;&nbsp; <!-- JAVA BIT --></li>
</ul>
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