A program to compute the sum, difference, and product of two numbers in PHP programming language.
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$sum = ($a+$b);
$difference = ($a-$b);
$product = ($a*$b);
echo "<h3>Sum, Difference and Product in PHP </h3>";
echo "The sum between $a and $b is $sum. <br>";
echo "The difference between $a and $b is $difference. <br>";
echo "The product between $a and $b is $product. <br>";