find the area of a parallelogram in php

Here's an example code for finding the area of a parallelogram in PHP:

main.php
<?php
function parallelogram_area($base, $height) {
    $area = $base * $height;
    return $area;
}

// Example usage:
$base = 10;
$height = 5;
$area = parallelogram_area($base, $height);
echo "The area of the parallelogram is: $area";
?>
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In this example, we define a function parallelogram_area which takes two parameters, the base and the height of the parallelogram. The function then calculates the area using the formula base * height and returns the result.

We then provide example values for the base and height, call the function, and print the output to the screen.