RpcApi.php

<?php

function validateProducts($storeData) {

    // Check to make sure that our valid fields are in there
    $requiredFields = array(
        'price',
        'name',
        'description',
        'type',
    );
    
    $valid = true;

    foreach ($storeData['products'] as $rawProduct) {
	
        $fields = array_keys($rawProduct);
    
    	foreach ($requiredFields as $requiredField) {
            if (!in_array($requiredField, $fields)) {
                $valid = false;
            }
        }
    }

    return $valid;
}
?>

// ---------------- REWRITTEN

<?php

function validateProducts($storeData) {

    // Check to make sure that our valid fields are in there
    $requiredFields = array('price','name','description','type');

    foreach ($storeData['products'] as $rawProduct) {
        if ( ! validateSingleProduct($rawProduct, $requiredFields)) return false;
    }

    return true;
}

function validateSingleProduct($product, $requiredFields)
{

    $fields = array_keys($rawProduct);
    $missingFields = array_diff($requiredFields, $fields);
    
    if (count($missingFields) > 0) return false;

    return true;
}