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问题描述
我正在为预订目的开发日历控件。我想禁用已预订的时间段，我的程序只是UNSETting那个时段，需要帮助;这是下面的整个日历类：
I am developing a calendar controll for booking purpose. I want to disable the already booked timeslot,my program is just UNSETting that time slot,need a helping hand;here is the whole calendar class below:
<?php
class booking_diary {
// Mysqli connection
function __construct($link) {
$this->link = $link;
}
/*
Settings you can change:
$booking_start_time: The time of the first slot
$booking_end_time: The time of the last slot
$booking_frequency: The amount of slots per hour, expressed in minutes
$booking_slots_per_day: The total number of slots avaliable in one day
*/
public $booking_start_time = "09:00";
public $booking_end_time = "21:00";
public $booking_frequency = 180;
public $booking_slots_per_day = 4;
public $day, $month, $year, $selected_date, $first_day, $back, $back_month, $back_year, $forward, $forward_month, $forward_year, $bookings, $count, $days;
/*========================================================================================================================================================*/
function make_calendar($selected_date, $first_day, $back, $forward, $day, $month, $year) {
// Add a value to these public variables
$this->day = $day;
$this->month = $month;
$this->year = $year;
$this->selected_date = $selected_date;
$this->first_day = $first_day;
$this->back = $back;
$this->back_month = date("m", $back);
$this->back_year = date("Y", $back); // Minus one month back arrow
$this->forward = $forward;
$this->forward_month = date("m", $forward);
$this->forward_year = date("Y", $forward); // Add one month forward arrow
// Make the booking array
$this->make_booking_array($year, $month);
}
function make_booking_array($year, $month) {
$query = "SELECT * FROM bookings WHERE date LIKE '$year-$month%' and approved='YES'";
$result = mysqli_query($this->link, $query) or die(mysqli_error($this->link));
$this->count = mysqli_num_rows($result);
$this->bookings = '';
while ($row = mysqli_fetch_array($result)) {
$this->bookings[] = array(
"name" => $row['name'],
"date" => $row['date'],
"start" => $row['start'],
"comments" => $row['comments'],
);
}
$this->make_days_array($year, $month);
} // Close function
function make_days_array($year, $month) {
// Create an array of days in the month
$num_days_month = cal_days_in_month(CAL_GREGORIAN, $month, $year);
// Make array called $day with the correct number of days
for ($i = 1; $i <= $num_days_month; $i++) {
$d = mktime(0, 0, 0, $month, $i, $year);
$this->days[] = array("daynumber" => $i, "dayname" => date("l", $d));
}
// Add blank elements to start of array if the first day of the month is not a Monday.
for ($j = 1; $j <= $this->first_day; $j++) {
array_unshift($this->days, '0');
}
// Add blank elements to end of array if required.
$pad_end = 7 - (count($this->days) % 7);
if ($pad_end < 7) {
for ($j = 1; $j <= $pad_end; $j++) {
array_push($this-> days, '|'); }
} // Close if
$this->make_table_top();
} // Close function
function make_table_top() {
echo "
<div class='left'>
<table border='0' cellpadding='0' cellspacing='0' id='calendar'>
<tr id='week'>
<td align='left'><a href='?month=" . date("m", $this->back) . "&year=" . date("Y", $this->back) . "'>«</a></td>
<td colspan='5' id='center_date'>" . date("F, Y", $this->selected_date) . "</td>
<td align='right'><a href='?month=" . date("m", $this->forward) . "&year=" . date("Y", $this->forward) . "'>»</a></td>
</tr>
<tr>
<th>M</th><th>T</th><th>W</th><th>T</th><th>F</th><th>S</th><th>S</th>";
$this->make_day_boxes($this->days, $this->bookings, $this->month, $this->year);
} // Close function
function make_day_boxes() {
$i=0;
foreach ($this->days as $row) {
$tag = '';
if($i % 7 == 0)
echo "</tr><tr>"; // Use modulus to give us a <tr> after every seven <td> cells
if(isset($row['daynumber']) && $row['daynumber'] != 0) { // Padded days at the start of the month will have a 0 at the beginning
echo "<td width='21' valign='top' class='days'>";
if ($this->count > 0) {
$day_count = 0;
foreach ($this->bookings as $booking_date) {
if ($booking_date['date'] == $this->year . '-' . $this->month . '-' . sprintf("%02s", $row['daynumber'])) {
$day_count++;
} // Close if
} // Close foreach
} // Close if $count
// Work out which colour day box to show
if ($row['dayname'] == 'Sunday')
$tag = 2; // It's a Sunday
if (mktime(0, 0, 0, $this->month, sprintf("%02s", $row['daynumber']) + 1, $this->year) < strtotime("now"))
$tag = 4; // Past Day
if ($day_count >= $this->booking_slots_per_day && $tag == '')
$tag = 3;
if ($day_count >0 && $tag == '')
$tag = 1;
echo $this->day_switch($tag, $row['daynumber']) .
"<span>" . str_replace('|', ' ', $row['daynumber']) . "</span></td>";
} else {
echo "<td width='21' valign='top' class='days'><img src='images/block_null.gif' title='This day is unavailable' alt=''></td>";
}
$i++;
} // Close foreach
$this->make_key();
} // Close function
function day_switch($tag, $daynumber) {
switch ($tag) {
case (1): // Part booked day
$txt = "<a href='index.php?month=" . $this->month . "&year=" . $this->year . "&day=" . sprintf("%02s", $daynumber) . "'>
<img src='images/block_part.gif' title='This day is part booked' border='0' alt=''></a>\r\n";
break;
case (2): // Sunday
$txt = "<img src='images/block_sunday.gif' title='This day is not available' border='0' alt=''>\r\n";
break;
case (3): // Fully booked day
$txt= "<img src='images/block_fully_booked.gif' title='This day is fully booked' border='0' alt=''>\r\n";
break;
case (4): // Past day
$txt = "<img src='images/block_past.gif' title='This day is not available' border='0' alt=''></a>\r\n";
break;
case (5): // Block booked out day
$txt= "<img src='images/block_fully_booked.gif' title='This day is not available' border='0' alt=''>\r\n";
break;
default: // FREE
$txt = "<a href='index.php?month=" . $this->month . "&year=" . $this->year . "&day=" . sprintf("%02s", $daynumber) . "'>
<img src='images/block_free.gif' title='This day is free' border='0' alt=''></a>\r\n";
break;
}
return $txt;
} // Close function
function make_key() {
// This key is displayed below the calendar to show what the colours represent
echo "</tr></table>
<table border='0' id='key' cellpadding='2' cellspacing='6'>
<tr>
<td id='key_1'> </td>
<td id='key_2'> </td>
<td id='key_3'> </td>
<td id='key_4'> </td>
<td id='key_5'> </td>
</tr>
<tr>
<td>Fully Booked</td>
<td>Sunday</td>
<td>Part Booked</td>
<td>Available</td>
<td>Past Date</td>
</tr>
</table></div>";
$this->make_booking_slots();
} // Close function
function make_booking_slots() {
/*
Variable $day has a default value of 0. If a day has been clicked on, display it.
If there is no date selected, show a msg. Otherwise show the booking form.
*/
if($this->day == 0) {
$this->select_day();
} else {
$this->make_form();
}
} // Close function
function select_day() {
echo "<form method='post' action=''><div id='selected_date'>Please select a day</div>";
}
function make_form() {
// Create array of the booking times
for($i = strtotime($this->booking_start_time); $i<= strtotime($this->booking_end_time); $i = $i + $this->booking_frequency * 60) {
$slots[] = date("H:i:s", $i);
}
echo "\r\n\r\n<form method='post' action=''><div id='selected_date'>Selected Date is: " . date("d F Y", mktime(0, 0, 0, $this->month, $this->day)) ."</div>";
$opt = "<select id='select' name='booking_time'><option value='selectvalue'>Please select a booking time</option>";
if($this->count >= 1) {
foreach($this->bookings as $row) {
// Check for bookings and remove any previously booked slots
//this is where the condition will come for payment approved or not.
foreach($slots as $i => $r) {
if($row['start'] == $r && $row['date'] == $this->year . '-' . $this->month . '-' . $this->day) {
unset($slots[$i]);
}
} // Close foreach
} // Close foreach
} // If count bookings
// Make select box from $slots array
foreach($slots as $booking_time) {
$finish_time = strtotime($booking_time)+ $this->booking_frequency * 60; // Calculate finish time
$opt .= "<option value='" . $booking_time . "'>" . $booking_time . " - " . date("H:i:s", $finish_time) . "</option>";
}
echo $opt. "</select>";
echo "
<table width='300' border='0' id='booking'>
<tr>
<td class='details'>Name</td>
<td><input class='input' type='text' name='name' size='32'"; if(isset($_POST['name'])) echo " value='" . $_POST['name'] . "'"; echo "></td>
</tr>
<tr>
<td class='details'>Email</td>
<td><input class='input' type='text' name='email' size='32'"; if(isset($_POST['email'])) echo " value='" . $_POST['email'] . "'"; echo "></td>
</tr>
<tr>
<td class='details'>Telephone</td>
<td><input class='input' type='text' name='phone' size='32'"; if(isset($_POST['phone'])) echo " value='" . $_POST['phone'] . "'"; echo "></td>
</tr>
<tr>
<td class='details'>Details:</td>
<td><textarea rows='3' cols='30' name='comments' onclick='make_blank();'>";
if(isset($_POST['comments'])) echo $_POST['comments'];
echo "</textarea></td>
</tr>
<tr>
<td> </td>
<td>
<input type='submit' value='' id='book'></td>
</tr>
</table></form>";
}
function after_post($month, $day, $year) {
$alert=''; $msg=0;
if(isset($_POST['name']) && empty($_POST['name'])) { $msg = 1; $alert .= "Please fill in the name box<br>"; }
if(isset($_POST['email']) && empty($_POST['email'])) { $msg = 1; $alert .= "Please fill in the email box<br>"; }
if(isset($_POST['phone']) && empty($_POST['phone'])) { $msg = 1; $alert .= "Please add a contact number<br>"; }
if(isset($_POST['booking_time']) && $_POST['booking_time'] == 'selectvalue') { $msg = 1; $alert .= "Please select a booking time"; }
if($msg == 1) {
echo "<div class='error'>" . $alert . "</div>";
} elseif($msg == 0) {
$booking_date = date("Y-m-d", mktime(0, 0, 0, $month, $day, $year));
$booking_time = $_POST['booking_time'];
$query = "INSERT INTO bookings (date, start, name, email, phone, comments,approved) VALUES ('$booking_date', '$booking_time', '$_POST[name]', '$_POST[email]', '$_POST[phone]', '$_POST[comments]','YES')";
$result = mysqli_query($this->link, $query) or die(mysqli_error($this->link));
$this->confirm();
//after booking an email wiil be sent from here
$to =$_POST[email];
$subject = "Firstlook Booking Confirmation";
$txt = "Hello ".$_POST[name]." !\nYour booking has been done,following are the details:\nBooked Date: ".$booking_date." and time: ".$booking_time."\nThanks \n FirstLook Team";
$headers = "From: [email protected]" . "\r\n" .
"CC: [email protected]";
mail($to,$subject,$txt,$headers); //email ends here
} // Close else
} // Close function
function confirm() {
echo "<div class='success'>Booking has been done...</div>";
}
// Close function
} // Close Class
?>
I need to disable that time slot..
I need to disable that time slot..
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