$query = "SELECT * FROM records WHERE `uts` > " . $uts_l_b . " AND `uts` < " . $uts_l_t . " ORDER BY uts ASC"; $result = mysql_query($query) or die("Query 2 failed with error: " . mysql_error()); if (mysql_num_rows($result) == 0) { die; } $row2 = mysql_fetch_array($result) or die(mysql_error()); db_disconnect(); $press_data = array(); $uts_data = array(); while ($row2 = mysql_fetch_array($result)) { array_push($press_data, $row2['pressure']); array_push($uts_data, $row2['uts']); } //if (count($press_data) > 0){ $g = 1000 * calculateRegression($uts_data, $press_data); $r = calculatePMCC($uts_data, $press_data); $lpress = number_format($row['pressure'], 0, ".", ""); $fast = $c_pressure_change_fast; $slow = $c_pressure_change_slow; if ($g >= $fast) { $img_str = "pressure_imgs/pressure_rise_2.gif"; $image1 = imagecreatefromgif($img_str); $txt_color = ImageColorAllocate($image1, 255, 0, 0); } else { if ($g >= $slow) { $img_str = "pressure_imgs/pressure_rise_1.gif"; $image1 = imagecreatefromgif($img_str); $txt_color = ImageColorAllocate($image1, 255, 0, 0); } else { if ($g >= -$slow) { $img_str = "pressure_imgs/pressure_same.gif";
<?php define("IN_MODULE", true); require_once "../includes/config.inc.php"; require_once "../includes/functions.inc.php"; $x_data[0] = 1; $x_data[1] = 2; $x_data[2] = 3; $x_data[3] = 4; $x_data[4] = 5; $y_data[0] = 1; $y_data[1] = 3; $y_data[2] = 5; $y_data[3] = 7; $y_data[4] = 9; echo calculateRegression($x_data, $y_data) . " " . calculatePMCC($x_data, $y_data);