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POCheck which form fields were updated in PHP/jQuery
 

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  1. POCheck which form fields were updated in PHP/jQuery
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    <p>I have a form with ~20 fields to update a record. When a user submits the form, I would like to log which fields were updated (changed) in my <code>update_log</code> table along with the updated value, the username, and time. (Ex: "Andrew updated 'Supplier' to 'Acme Inc.' on November 22nd at 3:00 pm)</p> <p>Previously, I've had success in instances where a single field auto-saves because as soon as the single field updates I can log it. But with a form with 20 fields, this is more difficult because I'm updating the entire form at once and do not want to log fields which didn't change.</p> <p>Here's the Javascript I'm using to <code>POST</code> the update to a PHP file, which runs an update query using the <code>$_POST</code> data:</p> <pre><code>$("body").on('click', "#update-shipment-button", function(e){ e.preventDefault(); var shipment_id= $("#update-shipment-button").attr('data-shipment-id'); var clientName = $("#form-client-name").val(); var poNumber = $("#form-po-number").val(); var shipmentStatus = $("#form-shipment-status").val(); var supplier = $("#form-supplier").val(); var shipper = $("#form-shipper").val(); var departureDate = $("#form-departure-date").val(); var arrivalDate = $("#form-arrival-date").val(); var freightForwarder = $("#form-freight-forwarder").val(); var shippingMethod = $("#form-shipping-method").val(); var originCountry = $("#form-origin-country").val(); var data = { shipment_id: shipment_id, clientName: clientName, poNumber: poNumber, shipmentStatus: shipmentStatus, supplier: supplier, shipper: shipper, departureDate: departureDate, arrivalDate: arrivalDate, freightForwarder: freightForwarder, shippingMethod: shippingMethod, originCountry: originCountry, } // Deliver the payload! $.ajax({ type: "POST", url: "st_update_shipment_query.php", dataType:"JSON", data: data, success:function(response){ console.log("Successfully updated."); }, error:function (xhr, ajaxOptions, thrownError){ console.log(xhr.status); console.log(ajaxOptions); console.log(thrownError); } }); }); </code></pre> <p>What is the best way to approach this? Any help is appreciated :) I can clarify the question if needed.</p>
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