ALTER TABLE tablename AUTO_INCREMENT = 1
Tuesday, 31 May 2022
Friday, 20 May 2022
DataTables warning: table id=example - Invalid JSON response: How to Debug?
- Use
CTRL+SHIFT+I
(or navigate toCurrent Page Control > Developer > Developer Tools
. In the newer versions of Chrome, click the Wrench icon > Tools > Developer Tools.) to enable the Developer Tools. - From within the developer tools click on the
Network
button. - Click the
"XHR"
sub-button. - Initiate an
AJAX call
. - Double click the Name of the page under the
Network
button. It will open a new page with the details of the error.
Wednesday, 11 May 2022
Prevent caching data from database in PhP FullCalendar
<script>
document.addEventListener('DOMContentLoaded', function() {
var calendarEl = document.getElementById('calendar');
var events = [];
var eventsCache = {};
var calendar = new FullCalendar.Calendar(calendarEl, {
headerToolbar: {
left: 'prev,next today',
center: 'title',
right: 'dayGridMonth,timeGridWeek,timeGridDay,listWeek'
},
eventSources: [{
cache: false,
url: 'loadevent.php',
type: 'POST',
extraParams: function() { // Prevent caching data from database in fullcalendar
return {
cachebuster: new Date().valueOf()
};
},
}],
});
calendar.render();
calendar.refetchEvents();
});
</script>
document.addEventListener('DOMContentLoaded', function() {
var calendarEl = document.getElementById('calendar');
var events = [];
var eventsCache = {};
var calendar = new FullCalendar.Calendar(calendarEl, {
headerToolbar: {
left: 'prev,next today',
center: 'title',
right: 'dayGridMonth,timeGridWeek,timeGridDay,listWeek'
},
eventSources: [{
cache: false,
url: 'loadevent.php',
type: 'POST',
extraParams: function() { // Prevent caching data from database in fullcalendar
return {
cachebuster: new Date().valueOf()
};
},
}],
});
calendar.render();
calendar.refetchEvents();
});
</script>
Friday, 6 May 2022
How to configure PHP Calendar with events from database?
Download fullcalendar file from : https://github.com/
PhP Page
Inside <HEAD> Tag
<link href='fullcalendar-5.10.2/lib/
<script src='fullcalendar-5.10.2/lib/
<script>
document.addEventListener(' DOMContentLoaded', function() {
var calendarEl = document.getElementById(' calendar');
var calendar = new FullCalendar.Calendar( calendarEl, {
headerToolbar: {
left: 'prev,next today',
center: 'title',
right: 'dayGridMonth,timeGridWeek, timeGridDay,listWeek'
},
events: 'loadevent.php',
},
displayEventTime: false,
selectHelper:true,
weekNumbers: true,
navLinks: true, // can click day/week names to navigate views
nowIndicator: true,
weekNumbers: true,
dayMaxEventRows: true, // for all non-TimeGrid views
views: {
timeGrid: {
dayMaxEventRows: 6 // adjust to 6 only for timeGridWeek/timeGridDay
}
},
});
calendar.render();
});
</script>
document.addEventListener('
var calendarEl = document.getElementById('
var calendar = new FullCalendar.Calendar(
headerToolbar: {
left: 'prev,next today',
center: 'title',
right: 'dayGridMonth,timeGridWeek,
},
events: 'loadevent.php',
},
displayEventTime: false,
selectHelper:true,
weekNumbers: true,
navLinks: true, // can click day/week names to navigate views
nowIndicator: true,
weekNumbers: true,
dayMaxEventRows: true, // for all non-TimeGrid views
views: {
timeGrid: {
dayMaxEventRows: 6 // adjust to 6 only for timeGridWeek/timeGridDay
}
},
});
calendar.render();
});
</script>
Inside BODY Tag
<body>
<div class="container">
<div class="row">
<div class="col-md-12">
<h1 align="center" style=" padding: 3%;"> Calendar Heading</h1>
<div id='calendar'></div>
</div>
</div>
</div>
</body>
<div class="container">
<div class="row">
<div class="col-md-12">
<h1 align="center" style=" padding: 3%;"> Calendar Heading</h1>
<div id='calendar'></div>
</div>
</div>
</div>
</body>
loadevent.php
--> Database connection establishment
$data = array();
$stmt = $con->prepare(" SQL QUERY ");
$stmt->execute();
$result = $stmt->get_result();
while ($row = $result->fetch_assoc()) {
$data[] = array(
'id' => $row["No"],
'title' => $row["title"], // DB ATTRIBUTE NAME FOR TITLE
$stmt = $con->prepare(" SQL QUERY ");
$stmt->execute();
$result = $stmt->get_result();
while ($row = $result->fetch_assoc()) {
$data[] = array(
'id' => $row["No"],
'title' => $row["title"], // DB ATTRIBUTE NAME FOR TITLE
'start' => $row["DATE1"], // DB START DATE ENTRY in yy-mm-dd 00:00:00 format
'end' => $row["DATE2"], // DB END DATE ENTRY in yy-mm-dd 00:00:00 format
'description' => $row[" Description "], // DB Description attribute
);
//result is in row
}
echo json_encode($data);
'end' => $row["DATE2"], // DB END DATE ENTRY in yy-mm-dd 00:00:00 format
'description' => $row[" Description "], // DB Description attribute
);
//result is in row
}
echo json_encode($data);
Tuesday, 3 May 2022
Warning: mysqli_query() expects parameter 1 to be mysqli, resource given
Reason for the error:
You are mixing mysqli and mysql extensions in the code, which will not work. mysqli has many improvements over the original mysql extension, so it is recommended to use mysqli .
You are mixing mysqli and mysql extensions in the code, which will not work. mysqli has many improvements over the original mysql extension, so it is recommended to use mysqli .
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