<?php$max = "1000"; // Max resources$userid = $_SESSION['id'];$row = mysql_query("SELECT * FROM resource WHERE userid='$userid'") or die(mysql_error());$row_resource = mysql_fetch_assoc($row); // Get record$currentValue = $row_resource['value']; // Current value$LUT = $row_resource['lut']; // Last Update time$currentTime = Time(); // Current time$TD = $currentTime-$LUT; // Time difference$ADD = $TD*1; // Resources to add per secound.$CH = $currentValue+$ADD; // New Resource (change to - if subtract).if ($CH > $max) { // If new value exceeds max new value is max$CH = $max;} else { // If new value is lower then max update DB $result = mysql_query("UPDATE resource SET value='$CH' WHERE userid='$userid'")or die(mysql_error()); $result = mysql_query("UPDATE resource SET lut='$currentTime' WHERE userid='$userid'")or die(mysql_error()); }echo "Resources = " . $CH; //Show updated value.?>