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common_functions_v2.php
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common_functions_v2.php
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<?php
date_default_timezone_set("Europe/Copenhagen");
/** Returns a handle to the standard database
@return object
*/
function std_db($user = "cinf_reader"){
//$db = mysql_connect("localhost", "root", "CINF123");
//$db = mysql_connect("localhost", "cinf_reader", "cinf_reader");
$db = mysql_connect("localhost", $user, $user);
mysql_select_db("cinfdata",$db);
return($db);
}
function std_dbi($user = "cinf_reader"){
$mysqli = new mysqli("localhost", $user, $user, "cinfdata");
return $mysqli;
}
function single_sql_value($db,$query,$column){
$result = mysql_query($query,$db);
$row = mysql_fetch_array($result);
$value = $row[$column];
return($value);
}
function latest_sql_row($db, $query){
// Returns the lastest row from the result of the query
if (strpos($query, " desc") == false){
$query .= " desc";
}
if (strpos($query, " limit ") == false){
$query .= " limit 1";
}
$result = mysql_query($query, $db);
$row = mysql_fetch_array($result);
return($row);
}
function get_xy_values($query,$db,$offset=0){
$result = mysql_query($query,$db);
while ($row = mysql_fetch_array($result)){
$data["y"][] = $row[1] + $offset;
$data["x"][] = $row[0];
}
return($data);
}
function xscale($max,$min,$manual,$log){
if ($log){
$max = log10($max);
$min = log10($min);
}
$xscale["max"] = ($max == "") ? 2 : $max; //Default values if no values is given: 2 and 1
$xscale["min"] = ($min == "") ? 1 : $min;
$xscale["manual"] = $manual==="checked"; // If a manual scale is chosen the variable
// $manual will have the value "checked"
return($xscale);
}
/** Returns the default values for a date-xscale or an array of the manually selected scale
If non-default values are provided, these will simply be returned
The return value is formatted as a string suitable for injection into an sql-query
@param string $from The from-value to be returned. If an emptry string is given, the default value will be returned
@param string $to The to-value to be returned. If an emptry string is given, the default value will be returned
@param string $defaulthours The default amount of hours to go back in time if defaults are to be returned
@return array
*/
function date_xscale($from="",$to="",$defaulthours=24){
$xscale["to"] = date('Y-m-d H:i',time() + 60); // Default, 1 minute into the future, to be shure get the whole plot
$xscale["from"] = date('Y-m-d H:i',time() - 60 * 60 * $defaulthours);
$xscale["from"] = ($from == "") ? $xscale["from"] : $from; // If we get an argument, skip the defaults
$xscale["to"] = ($to == "") ? $xscale["to"] : $to;
return($xscale);
}
/** Formats a given number as a scientific number (exponentials of 10 notation) in HTML
@param real $number The number to be html-formatted
@return string
*/
function science_number($number){
if($number == 0){
$result = 0;
}
else {
$exponent = floor(log10($number));
$digits = $number * pow(10,-1*$exponent);
$digits = round($digits,2);
$result = $digits . " × " . "10<sup>" . $exponent . "</sup>";
}
return($result);
}
/** Makes sure that a string only contains a-zA-Z0-9 \{} characters and replace
the string with a warning if that is not the case
$str string
@return string
*/
function weed($str){
$expressions = Array('/\"/', '/&/', '/=/', '/Æ/', '/Ø/','/Å/','/æ/','/ø/',
'/å/');
foreach($expressions as $expr){
$str = preg_replace($expr, "?", $str);
}
return $str;
}
/** Returns strings with standard html-header and -footer
* @return string
*/
function html_header($root="../", $title="Data viewer", $includehead="", $charset="UTF-8", $width=null, $html5=false){
if ($width != null){
$width = " style=\"width:{$width}px\" ";
} else {
$width = " style=\"max-width:95%\" ";
}
if(is_it_christmas()){
$header = html_header_x($root, $title, $includehead, $charset, $width, $html5);
} else {
$header = html_header_normal($root, $title, $includehead, $charset, $width, $html5);
}
return $header;
}
function html_footer($root="../", $valid_html5=false){
if(is_it_christmas()){
$footer = html_footer_x($root, $valid_html5);
} else {
$footer = html_footer_normal($root, $valid_html5);
}
return $footer;
}
function html_header_normal($root, $title, $includehead, $charset, $width, $html5){
$header = "";
if ($html5){
$header = $header . "<!DOCTYPE html>\n";
} else {
$header = $header . "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\">\n";
}
$header = $header . "<html>\n";
$header = $header . " <head>\n";
$header = $header . " <meta http-equiv=\"Content-Type\" content=\"text/html; charset={$charset}\">\n";
$header = $header . " <title>CINF data logging</title>\n";
$header = $header . " <link rel=\"StyleSheet\" href=\"{$root}css/style.css\" type=\"text/css\" media=\"screen\">\n";
if ($root == "../"){
# $header = $header . " <script type=\"text/javascript\" src=\"dygraph/dygraph-dev.js\"></script>\n";
$header = $header . " <script type=\"text/javascript\" src=\"dygraph-combined.js\"></script>\n";
}
$header = $header . " <script type=\"text/javascript\" src=\"{$root}js/update.js\"></script> \n";
$header = $header . " <script type=\"text/javascript\" src=\"{$root}js/toogle.js\"></script>\n";
$header = $header . " <script type=\"text/javascript\" src=\"{$root}js/output.js\"></script>\n";
$header = $header . $includehead . "\n";
$header = $header . " </head>\n";
$header = $header . " <body>\n";
$header = $header . " <div class=\"container\" $width>\n";
$header = $header . " <div class=\"caption\">\n";
$header = $header . " {$title}\n";
$header = $header . " <a href=\"/\"><img class=\"logo\" src=\"{$root}images/cinf_logo_beta_greek.png\" alt=\"CINF data viewer\"></a>\n";
$header = $header . " <div class=\"header_utilities\">\n";
$header = $header . " <a class=\"header_links\" href=\"https://cinfwiki.fysik.dtu.dk/cinfwiki/Software/DataWebPageUserDocumentation\">Help</a><br>\n";
$header = $header . " <a class=\"header_links\" href=\"test_configuration_file.php\">Config</a>\n";
$header = $header . " </div>\n";
$header = $header . " </div>\n";
$header = $header . " <div class=\"plotcontainer\">\n";
return($header);
}
function header_v2(){
$header = "";
$header = $header . "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\">";
$header = $header . "<html>\n";
$header = $header . " <head>\n";
$header = $header . " <title>CINF data logging</title>\n";
$header = $header . " <link rel=\"StyleSheet\" href=\"../css/style.css\" type=\"text/css\" media=\"screen\">\n";
$header = $header . " </head>\n";
$header = $header . " <body>\n";
$header = $header . " <div class=\"container\">\n";
$header = $header . " <div class=\"caption\">Data viewer\n";
$header = $header . " <a href=\"/\"><img class=\"logo\" src=\"../images/cinf_logo_beta_greek.png\"></a>\n";
$header = $header . " <div class=\"header_utilities\">\n";
$header = $header . " <a class=\"header_links\" href=\"https://cinfwiki.fysik.dtu.dk/cinfwiki/Software/DataWebPageUserDocumentation\">Help</a><br>\n";
$header = $header . " <a class=\"header_links\" href=\"test_configuration_file.php\">Config</a>\n";
$header = $header . " </div>\n";
$header = $header . " </div>\n";
return($header);
}
function html_footer_normal($root, $valid_html5){
$footer = "";
$footer = $footer . " </div>\n";
if ($valid_html5){
$footer = $footer . " <div class=\"copyright\" style=\"clear:both\">\n";
$footer = $footer . " <div style=\"float:left;width:100px\"> </div>\n";
$footer = $footer . " <div style=\"float:right;width:100px\"><img src=\"{$root}images/badge-w3c-valid-html5_h30.png\" height=\"20\" style=\"padding:5px\" alt=\"Valid HTML5\" title=\"Valid HTML5\"></div>\n";
$footer = $footer . " <div style=\"margin:0 auto;width:100px\">...</div>\n";
$footer = $footer . " </div>\n";
} else {
$footer = $footer . " <div class=\"copyright\" style=\"clear:both\">...</div>\n";
}
$footer = $footer . " </div>\n";
$footer = $footer . " </body>\n";
$footer = $footer . "</html>\n";
#
return($footer);
}
function html_footer_v2(){
$footer = "";
$footer = $footer . " <div class=\"copyright\">...</div>\n";
$footer = $footer . " </div>\n";
$footer = $footer . " </body>\n";
$footer = $footer . "</html>\n";
return($footer);
}
function html_code_header($file){
$header = "";
$header = $header . "<head><title>CINF data logging</title>\n";
$header = $header . "<link rel=\"StyleSheet\" href=\"../css/screen.css\" type=\"text/css\" media=\"screen\">\n";
$header = $header . "</head>\n";
$header = $header . "<body>\n";
$header = $header . "<div class=\"container\">\n";
$header = $header . "<div class=\"caption\">Code viewer: ".$file."\n";
$header = $header . "<a href=\"/\"><img class=\"logo\" src=\"../images/cinf_logo_beta_greek.png\"></a>\n";
$header = $header . "</div>\n";
return($header);
}
function html_header_x($root, $title, $includehead, $charset, $width, $html5){
$files = Array();
if ($handle = opendir("{$root}images/xmas-shift")) {
while (false !== ($entry = readdir($handle))) {
if ($entry != "." && $entry != "..") {
$files[] = $entry;
}
}
closedir($handle);
}
$rand_img = $files[array_rand($files)];
$header = "";
$header = $header . "<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\" \"http://www.w3.org/TR/html4/loose.dtd\">\n";
$header = $header . "<html>\n";
$header = $header . " <head>\n";
$header = $header . " <meta http-equiv=\"Content-Type\" content=\"text/html; charset={$charset}\">\n";
$header = $header . " <title>CINF data logging</title>\n";
$header = $header . " <link rel=\"StyleSheet\" href=\"{$root}css/style.css\" type=\"text/css\" media=\"screen\">\n";
if ($root == "../"){
#$header = $header . " <script type=\"text/javascript\" src=\"dygraph/dygraph-dev.js\"></script>\n";
$header = $header . " <script type=\"text/javascript\" src=\"dygraph-combined.js\"></script>\n";
}
$header = $header . " <script type=\"text/javascript\" src=\"{$root}js/update.js\"></script> \n";
$header = $header . " <script type=\"text/javascript\" src=\"{$root}js/toogle.js\"></script>\n";
$header = $header . " <script type=\"text/javascript\" src=\"{$root}js/output.js\"></script>\n";
$header = $header . $includehead . "\n";
$header = $header . " </head>\n";
$header = $header . " <body>\n";
$header = $header . " <div class=\"container\" $width>\n";
$header = $header . " <div class=\"caption_alt\">\n";
# $header = $header . " <img src=\"../images/fir_branch_with_cones.png\" height=\"42\" width=\"42\">\n";
$header = $header . " {$title}\n";
$header = $header . " <a href=\"/\"><img class=\"logo_alt\" src=\"{$root}images/cinf_logo_beta_greek.png\" alt=\"CINF data viewer\"></a>\n";
$header = $header . " <div class=\"header_utilities\">\n";
$header = $header . " <a class=\"header_links\" href=\"https://cinfwiki.fysik.dtu.dk/cinfwiki/Software/DataWebPageUserDocumentation\">Help</a><br>\n";
$header = $header . " <a class=\"header_links\" href=\"test_configuration_file.php\">Config</a>\n";
$header = $header . " </div>\n";
$header = $header . " <div class=\"header_decorations_shift\">\n";
$header = $header . " <img class=\"header_img_shift\" src=\"{$root}images/xmas-shift/{$rand_img}\" title=\"Merry Christmas\" alt=\"CINF data viewer\">\n";
$header = $header . " </div>\n";
$header = $header . " <div class=\"header_decorations_static\">\n";
$header = $header . " <img class=\"edition\" src=\"{$root}images/xmas_edition.png\" alt=\"Merry Christmas\">\n";
$header = $header . " </div>\n";
$header = $header . " </div>\n";
$header = $header . " <div class=\"plotcontainer\">\n";
return($header);
}
function html_footer_x($root, $valid_html5){
$footer = "";
$footer = $footer . " </div>\n";
$footer = $footer . " <div class=\"copyright_decorations\" style=\"clear:both\"></div>\n";
$footer = $footer . " </div>\n";
$footer = $footer . " </body>\n";
$footer = $footer . "</html>\n";
return($footer);
}
function indent($level, $str){
foreach (explode("\n", $str) as $line){
echo(str_repeat(" ", $level) . $line) . "\n";
}
}
function right_float_menu($items, $indent){
indent($indent, "" .
"<!-- RIGHT FLOAT MENU -->\n" .
"<div class=\"right_float_menu\">\n" .
" <table cellspacing=0>");
foreach($items as $key => $value){
indent($indent + 4, "" .
"<tr>\n" .
" <td><a href=\"$value\">$key</a></td>\n" .
"</tr>"
);
}
indent($indent, "" .
" </table>\n" .
"</div>\n");
}
function is_it_christmas()
{
/* It is x-mas from 14/11 to 31/12 */
$month = (int) date("n");
switch ($month){
case 12:
return true;
case 11:
$day = (int) date("d");
if ($day >=14){
return true;
} else {
return false;
}
default:
return false;
}
}
function pprint($var){
echo("<pre>");
print_r($var);
echo("</pre>");
}
?>