ohctech_p8/save_waste_category.php

<?php 
include('includes/config/config.php');
include ('includes/functions.php');
include ('log_entry.php');
error_log ( "Start Printing Request Attributes" );
$requestStr="";
foreach ( $_REQUEST as $key => $value ) {
    $requestStr.=$key . " : " . $value . "\n";
    error_log ( $key . " : " . $value . "<br />\r\n" );
}
error_log ( "End Printing Request Attributes" );
save_log($requestStr,'Bio Waste','SAVE','save_waste_category.php');
$query_initial="";
$endquery="";
$waste_category_id=$_REQUEST['waste_category_id'];
if(!empty($waste_category_id)){
	$query_initial="update ";
	$endquery=" where waste_category_id = '".$waste_category_id."' ";
}else{
	$query_initial="insert into ";
}                                                                                                                          

$query=$query_initial." waste_category set waste_category_name='".$_REQUEST['waste_category_name']."', waste_category_desc='".$_REQUEST['waste_category_desc']."'".$endquery;
		

echo $query;

if (!$result = @mysqli_query($conn,$query)) {
	die(mysqli_error($conn));
}