function report($con, $rollno, $comp_name, $c_id, $from, $till, $type, $schedule, $holid, $chart, $p)
{
$comp_roll = $rollno;
$query2 = "\n SELECT timestamp \n FROM attendance \n WHERE userid='{$rollno}'\tAND DATE(timestamp) BETWEEN '{$from}' AND '{$till}' \n\t\t\t\t\t\t";
$result2 = mysqli_query($con, $query2) or die("Error: " . mysqli_error($con));
//array storing student's TimeStamp in the entered window of $from and $till
$ts = array();
while ($row2 = mysqli_fetch_array($result2)) {
array_push($ts, $row2['timestamp']);
}
//length of array storing student's timestamp
$ts_length = count($ts);
//counter
$i = 0;
// Set timezone
date_default_timezone_set('UTC');
// Start date
$date = $from;
// End date
$end_date = $till;
//finding total expected classes
//outer loop goes from '$from' to '$till'
//in each outer loop inner loop goes from '$ts[0]' to '$ts[$ts_length - 1]
//if students entry time in '$ts' is between scheduled classes then assign present
//no need to asssign absent because it has been done in initialized
//holidays are considered while printing
//so consider
//1.scheduled class
//2.extra class
//3.cancel class
while (strtotime($date) <= strtotime($end_date)) {
$dt = new DateTime($date);
$day = $dt->format('l');
//day
$d = $dt->format('Y-m-d');
//date
//counter
$i = 0;
//will enter the loop only if student is present at-least once
while ($i < $ts_length) {
$user_timestamp = date_create($ts[$i]);
$user_date = date_format($user_timestamp, 'Y-m-d');
$user_time = date_format($user_timestamp, 'H:i:s');
//if only one class on this date
//condition = count + date + start_time + finishing_time
if ($schedule[$day][0] == 1 and $d == $user_date and $user_time >= $schedule[$day][1] and $user_time <= $schedule[$day][2]) {
//in time range of class
if (cancel_check($con, $d, $c_id, $schedule[$day][1], $schedule[$day][2])) {
//if not cancelled then it's scheduled
$chart[$d][5] = "Scheduled";
$chart[$d][6] = $user_time;
$chart[$d][7] = "Present";
} else {
//if cancelled
$chart[$d][5] = "Cancel";
$chart[$d][6] = "";
$chart[$d][7] = "";
}
} else {
if ($schedule[$day][0] == 1 and $d == $user_date and $user_time <= $schedule[$day][1] || $user_time >= $schedule[$day][2]) {
}
}
//if two classes on this date
if ($schedule[$day][0] == 2) {
//if first isn't cancelled
if (cancel_check($con, $d, $c_id, $schedule[$day][1], $schedule[$day][2])) {
if ($d == $user_date and $user_time >= $schedule[$day][1] and $user_time <= $schedule[$day][2]) {
//if student entry time is in scheduled class timing
$chart[$d][5] = "Scheduled";
$chart[$d][6] = $user_time;
$chart[$d][7] = "Present";
} else {
if ($d == $user_date and $user_time <= $schedule[$day][1] || $user_time >= $schedule[$day][2]) {
}
}
} else {
$chart[$d][5] = "Cancelled";
$chart[$d][6] = " ";
$chart[$d][7] = " ";
}
//if second class of the day isn't cancelled
if (cancel_check($con, $d, $c_id, $schedule[$day][3], $schedule[$day][4])) {
//if user entry time is between scheduled class
if ($d == $user_date and $user_time >= $schedule[$day][3] and $user_time <= $schedule[$day][4]) {
$chart[$d][9][0][5] = "Scheduled";
$chart[$d][9][0][6] = $user_time;
$chart[$d][9][0][7] = "Present";
} else {
if ($d == $user_date and $user_time <= $schedule[$day][3] || $user_time >= $schedule[$day][4]) {
}
}
} else {
$chart[$d][9][0][5] = "Cancelled";
$chart[$d][9][0][6] = " ";
$chart[$d][9][0][7] = " ";
}
}
//if three classes on this date
if ($schedule[$day][0] == 3) {
//if first isn't cancelled
if (cancel_check($con, $d, $c_id, $schedule[$day][1], $schedule[$day][2])) {
if ($d == $user_date and $user_time >= $schedule[$day][1] and $user_time <= $schedule[$day][2]) {
//if student entry time is in scheduled class timing
$chart[$d][5] = "Scheduled";
$chart[$d][6] = $user_time;
$chart[$d][7] = "Present";
} else {
if ($d == $user_date and $user_time <= $schedule[$day][1] || $user_time >= $schedule[$day][2]) {
}
}
} else {
$chart[$d][5] = "Cancelled";
$chart[$d][6] = " ";
$chart[$d][7] = " ";
}
//if second class of the day isn't cancelled
if (cancel_check($con, $d, $c_id, $schedule[$day][3], $schedule[$day][4])) {
//if user entry time is between scheduled class
if ($d == $user_date and $user_time >= $schedule[$day][3] and $user_time <= $schedule[$day][4]) {
$chart[$d][9][0][5] = "Scheduled";
$chart[$d][9][0][6] = $user_time;
$chart[$d][9][0][7] = "Present";
} else {
if ($d == $user_date and $user_time <= $schedule[$day][3] || $user_time >= $schedule[$day][4]) {
}
}
} else {
$chart[$d][9][0][5] = "Cancelled";
$chart[$d][9][0][6] = " ";
$chart[$d][9][0][7] = " ";
}
//if third class of the day isn't cancelled
if (cancel_check($con, $d, $c_id, $schedule[$day][6], $schedule[$day][7])) {
//if user entry time is between scheduled class
if ($d == $user_date and $user_time >= $schedule[$day][6] and $user_time <= $schedule[$day][7]) {
$chart[$d][9][1][5] = "Scheduled";
$chart[$d][9][1][6] = $user_time;
$chart[$d][9][1][7] = "Present";
} else {
if ($d == $user_date and $user_time <= $schedule[$day][6] || $user_time >= $schedule[$day][7]) {
}
}
} else {
$chart[$d][9][1][5] = "Cancelled";
$chart[$d][9][1][6] = " ";
$chart[$d][9][1][7] = " ";
}
}
//checking for extra classes
//add to chart and also decide present or absent
$query = "\n SELECT time1_start , time1_end\n FROM alter_class \n WHERE course_id='{$c_id}' AND date='{$d}' AND type='E'\n\t\t\t\t\t\t";
$result = mysqli_query($con, $query) or die("Error: " . mysqli_error($con));
$extra = array();
$count = 0;
$chart[$d][8] = 0;
while ($row = mysqli_fetch_array($result)) {
$chart2[$d][0] = $d;
$chart2[$d][1] = $day;
$chart2[$d][2] = $row['time1_start'];
$chart2[$d][3] = $row['time1_end'];
$chart2[$d][4] = "Extra";
$chart2[$d][5] = "";
$chart2[$d][6] = "Absent";
if ($user_time >= $row['time1_start'] and $user_time <= $row['time1_end']) {
$chart2[$d][5] = $user_time;
$chart2[$d][6] = "Present";
}
$extra[$count] = array($chart2[$d][0], $chart2[$d][1], $chart2[$d][2], $chart2[$d][3], $chart2[$d][4], $chart2[$d][5], $chart2[$d][6]);
$count = $count + 1;
}
$chart[$d][10] = $extra;
$chart[$d][8] = $count;
//next index of $ts[]
$i = $i + 1;
}
//end of inner while loop
//for those students whose $ts_length=0
//chart has been initialized as absent for all scheduled class
//so add information about only extra classes now
if ($ts_length == 0) {
//checking for extra classes
$query1 = "\n SELECT time1_start , time1_end\n FROM alter_class \n WHERE course_id='{$c_id}' AND date='{$d}' AND type='E'\n\t\t\t\t\t\t";
$result1 = mysqli_query($con, $query1) or die("Error: " . mysqli_error($con));
$extraaa = array();
$counttt = 0;
$chart[$d][8] = 0;
while ($row = mysqli_fetch_array($result1)) {
$chart[$d][8] = 1;
$chart2[$d][0] = $d;
$chart2[$d][1] = $day;
$chart2[$d][2] = $row['time1_start'];
$chart2[$d][3] = $row['time1_end'];
$chart2[$d][4] = "Extra";
$chart2[$d][5] = "";
$chart2[$d][6] = "Absent";
$extraaa[$counttt] = array($chart2[$d][0], $chart2[$d][1], $chart2[$d][2], $chart2[$d][3], $chart2[$d][4], $chart2[$d][5], $chart2[$d][6]);
$counttt = $counttt + 1;
}
$chart[$d][10] = $extraaa;
$chart[$d][8] = $counttt;
}
//end of ts=0 condition
$date = date("Y-m-d", strtotime("+1 day", strtotime($date)));
}
//outer while loop ends
//if user wanted to export this data
//variable $_SESSION['Export'] has been set in class_attend file in if(array_exist(export))
if ($_SESSION['Export'] != "Yes") {
print_chart($chart, $from, $till, $type, $holid, $comp_name, $comp_roll, $p);
} else {
export($chart, $from, $till, $type, $holid, $comp_name, $comp_roll, $p);
}
}
function report($con, $rollno, $c_id, $from, $till, $type, $schedule)
{
//intialize holiday array
//$holid[date] = 1 if holiday or else 0
$holid = array();
$holid = initialize_holid($holid, $from, $till, $con);
//$schedule = array();
//$schedule = get_schedule($schedule, $c_id, $con);
/*
//setting default schedule
//setting all values to 00:00:00
//$schedule = array();
//$schedule = initialize_schedule($schedule);
//query for expected scheduling and extra classes
$query1 = "
SELECT count , time1_start , time1_end , time2_start , time2_end , day
FROM course_schedule
WHERE course_id = '$c_id'
";
$result1 = mysqli_query($con, $query1) or die("Error: " . mysqli_error($con));
//scheduled is day wise
//so following thing have been saved
//0 - count - how many classes ?
//1 - time1_start
//2 - time1_end
//3 - time2_start
//4 - time2_end
//5 - day
while ($row1 = mysqli_fetch_array($result1))
{
$schedule[$row1['day']] = array($row1['count'], $row1['time1_start'], $row1['time1_end'], $row1['time2_start'], $row1['time2_end'], $row1['day']);
}//scheduled array for all scheduled slots in week stored
*/
//setting up the chart table
//actual report
$chart = array();
$chart1 = array();
$chart2 = array();
//chart_initialize
$chart = initialize_chart($chart, $chart1, $schedule, $from, $till, $con, $c_id);
//timestamp of student in then given interval (independent of all courses)
$query2 = "\n\t\t\t\t\t\tSELECT timestamp \n\t\t\t\t\t\tFROM attendance \n\t\t\t\t\t\tWHERE userid='{$rollno}'\tAND DATE(timestamp) BETWEEN '{$from}' AND '{$till}' \n\t\t\t\t\t\t";
$result2 = mysqli_query($con, $query2) or die("Error: " . mysqli_error($con));
//array storing student's timestamp
$ts = array();
while ($row2 = mysqli_fetch_array($result2)) {
array_push($ts, $row2['timestamp']);
}
//length of array storing student's timestamp
$ts_length = count($ts);
echo "ts - {$ts_length}<br>";
//counter
$i = 0;
// Set timezone
date_default_timezone_set('UTC');
// Start date
$date = $from;
// End date
$end_date = $till;
//finding total expected classes
while (strtotime($date) <= strtotime($end_date)) {
//outer loop goes from '$from' to '$till' checking for classes and timestamp in $ts
//in ech outer loop inner loop goes from '$ts[0]' to '$ts[$ts_length - 1]
//if students entry time in '$ts' is between scheduled classes then assign present
$dt = new DateTime($date);
$day = $dt->format('l');
//day
$d = $dt->format('Y-m-d');
//date
//counter
$i = 0;
//will enter the loop only if student is present atleast once
while ($i < $ts_length) {
$user_timestamp = date_create($ts[$i]);
$user_date = date_format($user_timestamp, 'Y-m-d');
$user_time = date_format($user_timestamp, 'H:i:s');
//if only one class on this date
//condition = count + date + start_time + finishing_time
if ($schedule[$day][0] == 1 and $d == $user_date and $user_time >= $schedule[$day][1] and $user_time <= $schedule[$day][2]) {
//in time range of class
if (cancel_check($con, $d, $c_id, $schedule[$day][1], $schedule[$day][2])) {
//if not cancelled then it's scheduled
$chart[$d][5] = "Scheduled";
$chart[$d][6] = $user_time;
$chart[$d][7] = "Present";
} else {
//if cancelled
$chart[$d][5] = "Cancel";
$chart[$d][6] = "";
$chart[$d][7] = "";
}
} else {
if ($schedule[$day][0] == 1 and $d == $user_date and $user_time <= $schedule[$day][1] || $user_time >= $schedule[$day][2]) {
}
}
//if two classes on this date
if ($schedule[$day][0] == 2) {
//if first isn't cancelled
if (cancel_check($con, $d, $c_id, $schedule[$day][1], $schedule[$day][2])) {
if ($d == $user_date and $user_time >= $schedule[$day][1] and $user_time <= $schedule[$day][2]) {
//if student entry time is in scheduled class timing
$chart[$d][5] = "Scheduled";
$chart[$d][6] = $user_time;
$chart[$d][7] = "Present";
} else {
if ($d == $user_date and $user_time <= $schedule[$day][1] || $user_time >= $schedule[$day][2]) {
}
}
} else {
$chart[$d][5] = "Cancelled";
$chart[$d][6] = " ";
$chart[$d][7] = " ";
}
//if second class of the day isn't cancelled
if (cancel_check($con, $d, $c_id, $schedule[$day][3], $schedule[$day][4])) {
//if user entry time is between scheduled class
if ($d == $user_date and $user_time >= $schedule[$day][3] and $user_time <= $schedule[$day][4]) {
$chart[$d][9][5] = "Scheduled";
$chart[$d][9][6] = $user_time;
$chart[$d][9][7] = "Present";
} else {
if ($d == $user_date and $user_time <= $schedule[$day][3] || $user_time >= $schedule[$day][4]) {
}
}
} else {
$chart[$d][9][5] = "Cancelled";
$chart[$d][9][6] = " ";
$chart[$d][9][7] = " ";
}
}
//checking for extra classes
$query = "\n SELECT time1_start , time1_end\n FROM alter_class \n WHERE course_id='{$c_id}' AND date='{$d}' AND type='E'\n\t\t\t";
$result = mysqli_query($con, $query) or die("Error: " . mysqli_error($con));
while ($row = mysqli_fetch_array($result)) {
$chart[$d][8] = 1;
$chart2[$d][0] = $d;
$chart2[$d][1] = $day;
$chart2[$d][2] = $row['time1_start'];
$chart2[$d][3] = $row['time1_end'];
$chart2[$d][4] = "Extra";
$chart2[$d][5] = "";
$chart2[$d][6] = "Absent";
if ($user_time >= $row['time1_start'] and $user_time <= $row['time1_end']) {
$chart2[$d][5] = $user_time;
$chart2[$d][6] = "Present";
}
$chart[$d][10] = array($chart2[$d][0], $chart2[$d][1], $chart2[$d][2], $chart2[$d][3], $chart2[$d][4], $chart2[$d][5], $chart2[$d][6]);
}
//next index of $ts[]
$i = $i + 1;
}
//checking for extra finished
//for those students whose $ts_length=0
if ($ts_length == 0) {
//checking for extra classes
$query1 = "\n SELECT time1_start , time1_end\n FROM alter_class \n WHERE course_id='{$c_id}' AND date='{$d}' AND type='E'\n\t\t\t";
$result1 = mysqli_query($con, $query1) or die("Error: " . mysqli_error($con));
while ($row = mysqli_fetch_array($result1)) {
$chart[$d][8] = 1;
$chart2[$d][0] = $d;
$chart2[$d][1] = $day;
$chart2[$d][2] = $row['time1_start'];
$chart2[$d][3] = $row['time1_end'];
$chart2[$d][4] = "Extra";
$chart2[$d][5] = "";
$chart2[$d][6] = "Absent";
$chart[$d][10] = array($chart2[$d][0], $chart2[$d][1], $chart2[$d][2], $chart2[$d][3], $chart2[$d][4], $chart2[$d][5], $chart2[$d][6]);
}
}
$date = date("Y-m-d", strtotime("+1 day", strtotime($date)));
}
//while loop ends
print_chart($chart, $from, $till, $type, $holid);
}