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392 lines
11 KiB
392 lines
11 KiB
<?php
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/* For licensing terms, see /license.txt */
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/**
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* This is the statistic utility functions library for Chamilo.
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* Include/require it in your code to use its functionality.
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* @package chamilo.library
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*/
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class StatsUtils
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{
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/**
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* @author Sebastien Piraux <piraux_seb@hotmail.com>
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* @param sql : a sql query (as a string)
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* @desc return one result from a sql query (1 single result)
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*/
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public static function getOneResult($sql)
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{
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$query = Database::query($sql);
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if ($query !== false) {
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$res = @Database::fetch_array($query, 'NUM');
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} else {
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$res = array();
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}
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return $res[0];
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}
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/**
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* @author Sebastien Piraux <piraux_seb@hotmail.com>
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* @param sql : a sql query (as a string)
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* @desc Return many results of a query in a 1 column tab
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*/
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public static function getManyResults1Col($sql)
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{
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$res = Database::query($sql);
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if ($res !== false) {
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$i = 0;
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while ($resA = Database::fetch_array($res, 'NUM')) {
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$resu[$i++] = $resA[0];
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}
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}
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return $resu;
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}
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/**
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* @author Sebastien Piraux <piraux_seb@hotmail.com>
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* @param sql : a sql query (as a string)
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* @desc Return many results of a query
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*/
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public static function getManyResults2Col($sql)
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{
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$res = Database::query($sql);
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if ($res !== false) {
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$i = 0;
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while ($resA = Database::fetch_array($res, 'NUM')) {
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$resu[$i][0] = $resA[0];
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$resu[$i][1] = $resA[1];
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$i++;
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}
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}
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return $resu;
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}
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/**
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* @author Sebastien Piraux <piraux_seb@hotmail.com>
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* @param sql : a sql query (as a string)
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* @desc Return many results of a query in a 3 column tab
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* in $resu[$i][0], $resu[$i][1],$resu[$i][2]
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*/
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public static function getManyResults3Col($sql)
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{
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$res = Database::query($sql);
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if ($res !== false) {
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$i = 0;
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while ($resA = Database::fetch_array($res, 'NUM')) {
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$resu[$i][0] = $resA[0];
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$resu[$i][1] = $resA[1];
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$resu[$i][2] = $resA[2];
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$i++;
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}
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}
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return $resu;
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}
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/**
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* @author Sebastien Piraux <piraux_seb@hotmail.com>
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* @param sql : a sql query (as a string)
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* @desc Return many results of a query in a X column tab
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* in $resu[$i][0], $resu[$i][1],$resu[$i][2],...
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* this function is more 'standard' but use a little
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* more ressources
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* So I encourage to use the dedicated for 1, 2 or 3
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* columns of results
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*/
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public static function getManyResultsXCol($sql, $X)
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{
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$res = Database::query($sql);
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if ($res !== false) {
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$i = 0;
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while ($resA = Database::fetch_array($res, 'NUM')) {
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for ($j = 0; $j < $X; $j++) {
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$resu[$i][$j] = $resA[$j];
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}
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$i++;
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}
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}
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return $resu;
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}
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/**
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* @author Sebastien Piraux <piraux_seb@hotmail.com>
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* @param sql : a sql query (as a string)
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* @return hours_array
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* @desc Return an assoc array. Keys are the hours, values are
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* the number of time this hours was found.
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* key 'total' return the sum of all number of time hours
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* appear
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*/
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public static function hoursTab($sql)
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{
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$hours_array = array('total' => 0);
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$res = Database::query($sql);
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if ($res !== false) {
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$last_hours = -1;
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while ($row = Database::fetch_row($res)) {
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$date_array = getdate($row[0]);
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if ($date_array['hours'] == $last_hours) {
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$hours_array[$date_array['hours']]++;
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} else {
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$hours_array[$date_array['hours']] = 1;
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$last_hours = $date_array['hours'];
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}
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$hours_array['total']++;
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}
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Database::free_result($res);
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}
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return $hours_array;
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}
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/**
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* @author Sebastien Piraux <piraux_seb@hotmail.com>
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* @param sql : a sql query (as a string)
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* @return days_array
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* @desc Return an assoc array. Keys are the days, values are
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* the number of time this hours was found.
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* key "total" return the sum of all number of time days
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* appear
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*/
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public static function daysTab($sql)
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{
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$MonthsShort = api_get_months_short();
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$days_array = array('total' => 0);
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$res = Database::query($sql);
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if ($res !== false) {
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$last_day = -1;
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while ($row = Database::fetch_row($res)) {
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$date_array = getdate($row[0]);
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$display_date = $date_array['mday'] . ' ' . $MonthsShort[$date_array['mon'] - 1] . ' ' . $date_array['year'];
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if ($date_array['mday'] == $last_day) {
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$days_array[$display_date]++;
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} else {
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$days_array[$display_date] = 1;
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$last_day = $display_date;
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}
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$days_array['total']++;
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}
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Database::free_result($res);
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}
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return $days_array;
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}
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/**
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* @author Sebastien Piraux <piraux_seb@hotmail.com>
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* @param sql : a sql query (as a string)
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* @return month_array
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* @desc Return an assoc array. Keys are the days, values are
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* the number of time this hours was found.
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* key "total" return the sum of all number of time days
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* appear
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*/
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public static function monthTab($sql)
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{
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$MonthsLong = api_get_months_long();
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$month_array = array('total' => 0);
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$res = Database::query($sql);
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if ($res !== false) {
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// init tab with all months
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for ($i = 0; $i < 12; $i++) {
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$month_array[$MonthsLong[$i]] = 0;
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}
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while ($row = Database::fetch_row($res)) {
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$date_array = getdate($row[0]);
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$month_array[$MonthsLong[$date_array['mon'] - 1]]++;
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$month_array['total']++;
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}
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Database::free_result($res);
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}
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return $month_array;
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}
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/**
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* @author Sebastien Piraux <piraux_seb@hotmail.com>
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* @param period_array : an array provided by hoursTab($sql) or daysTab($sql)
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* @param periodTitle : title of the first column, type of period
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* @param linkOnPeriod :
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* @desc Display a 4 column array
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* Columns are : hour of day, graph, number of hits and %
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* First line are titles
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* next are informations
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* Last is total number of hits
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*/
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public static function makeHitsTable($period_array, $periodTitle, $linkOnPeriod = '???')
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{
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echo "<table width='100%' cellpadding='0' cellspacing='1' border='0' align=center class='minitext'>";
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// titles
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echo "<tr bgcolor='#E6E6E6' align='center'>
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<td width='15%' >
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<b>$periodTitle</b>
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</td>
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<td width='60%'>
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</td>
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<td width='10%'>
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<b>" . get_lang('Hits') . "</b>
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</td>
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<td width='15%'>
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<b>%</b>
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</td>
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</tr>
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";
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$factor = 4;
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$maxSize = $factor * 100; //pixels
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while (list($periodPiece, $cpt) = each($period_array)) {
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if ($periodPiece != 'total') {
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$pourcent = round(100 * $cpt / $period_array['total']);
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$barwidth = $factor * $pourcent;
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echo "<tr>
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<td align='center' width='15%'>";
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echo $periodPiece;
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echo "</td>
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<td width='60%' style='padding-top: 3px;' align='center'>"
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// display hitbar
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. "<img src='../img/bar_1.gif' width='1' height='12' alt='$periodPiece : $cpt hits – $pourcent %' />";
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if ($pourcent != 0) {
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echo "<img src='../img/bar_1u.gif' width='$barwidth' height='12' alt='$periodPiece : $cpt hits – $pourcent %' />";
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}
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// display 100% bar
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if ($pourcent != 100 && $pourcent != 0) {
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echo "<img src='../img/bar_1m.gif' width='1' height='12' alt='$periodPiece : $cpt hits – $pourcent %' />";
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}
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if ($pourcent != 100) {
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echo "<img src='../img/bar_1r.gif' width='" . ($maxSize - $barwidth) . "' height='12' alt='$periodPiece : $cpt hits – $pourcent %' />";
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}
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echo "<img src='../img/bar_1.gif' width='1' height='12' alt='$periodPiece : $cpt hits – $pourcent %' />
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</td>
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<td align='center' width='10%'>
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$cpt
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</td>
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<td align='center' width='15%'>
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$pourcent %
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</td>
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</tr>
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";
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}
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}
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echo "<tr bgcolor='#E6E6E6'>
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<td width='15%' align='center'>
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" . get_lang('Total') . "
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</td>
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<td align='right' width='60%'>
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</td>
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<td align='center' width='10%'>
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" . $period_array['total'] . "
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</td>
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<td width='15%'>
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</td>
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</tr>
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";
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echo "</table>";
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}
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/**
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* @author Sebastien Piraux <piraux_seb@hotmail.com>
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* @param array_of_results : a 2 columns array
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* @param title1 : string, title of the first column
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* @param title2 : string, title of the ... second column
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* @desc display a 2 column tab from an array
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* @deprecated seem not to be use
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* titles of columns are title1 and title2
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*/
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public static function buildTab2col($array_of_results, $title1, $title2)
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{
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echo "<table cellpadding='2' cellspacing='1' border='1' align='center'>\n";
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echo "<tr>
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<td bgcolor='#E6E6E6'>
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$title1
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</td>
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<td bgcolor='#E6E6E6'>
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$title2
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</td>
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</tr>\n";
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if (is_array($array_of_results)) {
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for ($j = 0; $j < count($array_of_results); $j++) {
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echo '<tr>';
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echo '<td bgcolor="#eeeeee">' . $array_of_results[$j][0] . '</td>';
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echo '<td align="right">' . $array_of_results[$j][1] . '</td>';
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echo "</tr>\n";
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}
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} else {
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echo '<tr>';
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echo '<td colspan="2" align="center">' . get_lang(
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'NoResult'
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) . '</td>';
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echo "</tr>\n";
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}
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echo "</table>\n";
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}
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/**
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* @author Sebastien Piraux <piraux_seb@hotmail.com>
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* @param array_of_results : a 2 columns array
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* @desc display a 2 column tab from an array
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* this tab has no title
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* @deprecated seem not to be use
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*/
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public static function buildTab2ColNoTitle($array_of_results)
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{
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echo "<table cellpadding='3' cellspacing='1' border='0' align='center'>\n";
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if (is_array($array_of_results)) {
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for ($j = 0; $j < count($array_of_results); $j++) {
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echo '<tr>';
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echo '<td bgcolor="#eeeeee">' . $array_of_results[$j][0] . '</td>';
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echo '<td align="right"> ' . $array_of_results[$j][1] . '</td>';
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echo "</tr>\n";
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}
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} else {
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echo '<tr>';
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echo '<td colspan="2" align="center">' . get_lang(
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'NoResult'
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) . '</td>';
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echo "</tr>\n";
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}
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echo "</table>\n";
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}
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/**
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* @author Sebastien Piraux <piraux_seb@hotmail.com>
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* @param array_of_results : a 2 columns array
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* @desc this function is used to display
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* integrity errors in the platform
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* if array_of_results is not an array there is
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* no error, else errors are displayed
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* @deprecated seem not to be use
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*/
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public static function buildTabDefcon($array_of_results)
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{
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echo "<table width='60%' cellpadding='2' cellspacing='1' border='0' align=center class='minitext'>\n";
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if (is_array($array_of_results)) {
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// there are some strange cases...
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echo '<tr>';
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echo '<td colspan="2" align="center" bgcolor="#eeeeee"><font color="#ff0000">' . get_lang(
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'Defcon'
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) . '</font></td>';
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echo "</tr>\n";
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for ($j = 0; $j < count($array_of_results); $j++) {
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if ($array_of_results[$j][0] == "") {
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$key = get_lang('NULLValue');
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} else {
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$key = $array_of_results[$j][0];
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}
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echo '<tr>';
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echo '<td width="70%" class="content">' . $key . '</td>';
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echo '<td width="30%" align="right">' . $array_of_results[$j][1] . '</td>';
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echo "</tr>\n";
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}
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} else {
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// all right
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echo '<tr>';
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echo '<td colspan="2" align="center"><font color="#00ff00">' . get_lang(
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'AllRight'
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) . '</font></td>';
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echo "</tr>\n";
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}
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echo "</table>\n";
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}
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}
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