Float point test

PHP Code Editor

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<?php
echo "<pre>";
$amount   = 0.3;   // $sales_order_item->amount
$quantity = 3;     // $fulfillment_item->quantity
$rate     = 0.1;   // $sales_order_item->rate
$single_unit_price = $amount / $quantity;
var_dump($single_unit_price != (float) $rate);   // bool(true)  -> price is "adapted"
echo $single_unit_price . "\n";                          // 0.1  (looks equal!)
printf("%.20f\n", $single_unit_price);            // 0.09999999999999999167
printf("%.20f\n", (float) $rate);                 // 0.10000000000000000555
 
 
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Execution Result

Ready to execute

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Float point test

PHP Code Editor

Execution Result

Ready to execute

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