For my final project, i'm trying to make my html tables editable by users, with updating data in MySQL. I've found in web a few js scripts for such case but no one works as needed. My result - editable table, but new entered data are not saved in the sql table. What I'm missing? 

Data for table:

     require("../includes/config.php"); 
        
        $doctors = CS50::query("SELECT id, name, mob, hours FROM doctors");
    
        render("doctors_form.php", ["title" => "Doctors", "doctors" => $doctors]);

This is "saveInlineEdit" script I've used

    <script>
        function saveInlineEdit(editableObj,column,id) {
    	// no change change made then return false
    	if($(editableObj).attr('data-old_value') === editableObj.innerHTML)
    	return false;
    	// send ajax to update value
    	$(editableObj).css("background","#FFF url(loader.gif) no-repeat right");
    	$.ajax({
    		url: "saveInlineEdit.php",
    		cache: false,
    		data:'column='+column+'&value='+editableObj.innerHTML+'&id='+id,
    		success: function(response)  {
    			console.log(response);
    			// set updated value as old value
    			$(editableObj).attr('data-old_value',editableObj.innerHTML);
    			$(editableObj).css("background","#FDFDFD");			
    		}          
       });
    }
    </script>

This is html table (js script is in this file on the top):

    <table>
            <tr>
                <th>Name</th>
                <th>Mob</th>
                <th>Hours</th>
            </tr>
     
    <?php foreach ($doctors as $doctors): ?>
    
        <tr>
            <td contenteditable="true" data-old_value="<?= $doctors["name"]?>"
            onBlur="saveInlineEdit(this,'name','<?=$doctors["id"]?>')"><?=$doctors["name"]?></td>
            <td contenteditable="true" data-old_value="<?= $doctors["mob"]?>"
            onBlur="saveInlineEdit(this,'mob','<?=$doctors["id"]?>')"><?=$doctors["mob"]?></td>
            <td contenteditable="true" data-old_value="<?= $doctors["hours"]?>"
            onBlur="saveInlineEdit(this,'hours','<?= $doctors["id"]?>')"><?=$doctors["hours"]?></td>
        </tr>
    
    <?php endforeach ?>
    
    </table>
And this is php file to update data:

    <?php
    require("../includes/config.php"); 
    CS50::("UPDATE doctors SET ".$_REQUEST["column"]."='".$_REQUEST["value"]."' WHERE  id='".$_REQUEST["id"]."'");
    echo "saved";
    ?>

Thanks for help!