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Every company needs a calendar on the WordPress website. This plugin shows a calendar to website visitors. This plugin is very easy to use. In WordPress admin page, what you see is what website visitors will see. Of course, website visitors can only see your schedule. They can not change your schedule. Database is MySQL.
By default, when you activate this plugin, it will automatically create a calendar landing page for you. You do not need to copy the template-calendarfree.php file to this folder: wordpress\wp-content\themes\twentytwenty\templates if you are using the twentytwenty theme. For some themes, if it does not automatically create a calendar landing page for you, you still need to add this plugin root folder template-calendarfree.php file to your template folder.
To create a landing page, add this plugin root folder template-calendarfreexxxx.php files to your template folder. For example, if you are using theme twentytwenty, then add the template-calendarfreexxxx.php files to this folder: wordpress\wp-content\themes\twentytwenty\templates. Then you can create a new page (not a new post) using these templates.
When you use the template method to create a new landing page, do not set the page title to “calendar”. If you set the page title to “calendar”, it could conflict with the page automatically created when you activate this plugin.
You can use shortcode [showcalendar] to add this calendar into your web pages. Plus, you can also use the shortcode [showcalendar] in some page builders such as Elementor.
Documentation file is in the root folder with the name documentation_dragoncalendarfree.pdf. Please follow the instructions in the file to install this plugin.
If you want to add some text above or below the calendar on the landing page, you can just manually add it with HTML tags into template-calendarfree.php and/or template-calendarfreexxx.php files in the plugin root folder.
Donate URL link: 
https://paypal.me/mingsitservices?country.x=CA&locale.x=en_US
demo website:
https://mingsitservicesfree.infinityfreeapp.com/calendar/
admin page:
https://mingsitservicesfree.infinityfreeapp.com/wp-admin
Log in WordPress admin page using
username:
admin_order
password:
m8Yl*KWKq4nEa5JUDk
Then, go to
https://mingsitservicesfree.infinityfreeapp.com/wp-admin/options-general.php?page=Dragon+Calendar+Free+Version
to set up the admin page.
Now we have provided 12 templates for you to use in 12 different scenarios. You can add this calendar as an iframe into another page. Please see the root folder file documentation_dragoncalendarfree.docx for details.
There is an advanced version on sale here: 
https://www.codester.com/items/22073/dragon-calendar-wordpress-plugin 
Every event can belong to a group. Each group is shown in different color.

Multi Days Events and Multi Events in One Day Calendar

This calendar can have several events in one day. And it can have an event lasting for several days. Very elegant and neat design. I already recommended it to my friends.

Nice calendar for multiple-events in a day

Every company needs a calendar on the WordPress website. This plugin shows a calendar to website visitors. This plugin is very easy to use.

Your company is still using paper log sheets for office visitors? Everything is digital and paperless now. Being paperless can also save trees and protect the environment. We provide you an efficient plugin for your company office visitors to sign in and sign out. Data is saved in the same MySQL database for your WordPress website.
You do not need paper office visit logbook any more! And you can search office visit history easily. So efficient and easy to use.
This office visits logbook plugin is for the sign-in and sign-out of office interview, business, meeting, etc. You can add any new visit type categories and new visit types if you want. For example, for hospitals and clinics, you can add new visit types such as surgery, emergency, ICU. For dental offices, you can add new visit types such as wash teeth, root canal, dental implants, wisdom tooth extraction, reconstructive surgery, and cosmetic surgery.
By default, this plugin uses Bootstrap (https://getbootstrap.com/) for the formatting. But sometimes you already have your own formatting css files. So you may need to remove these Bootstrap css and javascript files when you use this plugin. If this is the case, you can choose not to use Bootstrap’s css and javascript files by changing the values of USE_BOOTSTRAP_JS and USE_BOOTSTRAP_CSS to no (0) in the constant table.
If you did not find USE_BOOTSTRAP_JS and USE_BOOTSTRAP_CSS in your constant table, please deactivate this plugin and activate it again. Then USE_BOOTSTRAP_JS and USE_BOOTSTRAP_CSS will be automatically added to your constant table.
If you find out that the search result is not showing all the fields’ data, you can try to re-create stored procedures in the admin plugin page. Go to admin page, click “Settings”, and then click “Office Visits Logbook”. Then click tab “Re-create stored procedures”, and press the button to re-create all the stored procedures again.
This plugin has the web accessibility feature for the disabled people to listen to the screen reader. The disabled people just need to press the tab key to access the elements on the page. Then use keyboard to input. Then press enter key for submit, reset and cancel. To use this feature, you can download and use any screen reader software such as NVDA (for Windows), VoiceOver (for Apple), etc. Most of this kind of software is free to download and use.
By default, the landing page shows all the visits. But sometimes you want to protect other visitors’ privacy and hide other visits’ details when a new visitor is using this landing page. To do this, just set the value of SHOW_ALL_VISITS_WHEN_NOT_SEARCH in your constant table to no (0).
If you did not find SHOW_ALL_VISITS_WHEN_NOT_SEARCH in your constant table, please deactivate this plugin and activate it again. Then SHOW_ALL_VISITS_WHEN_NOT_SEARCH will be automatically added to your constant table.
A visit record can be updated only when it is active and timeout is empty. Deleted visits and finished visits are not available for editing.
This plugin has an access restriction feature. You can give a user access to the visit landing page by adding the user to the wp_dragonvisitzyx987_users table.
After you are added to the wp_dragonvisitzyx987_users table, you must log in WordPress website to access this plugin’s landing page. On the admin setting page, admin and assigned users can access admin setting page to see table lists.
This plugin uses a responsive design. You can use it from your cellphone, tablet, laptop, and PC. The layout will change accordingly.
For the best user experience, we recommend you to use this plugin in a desktop computer with three monitors. Two monitors share the same content. The visitor uses one monitor, keyboard and mouse. The receptionist uses another monitor to watch the visitor’s input and behavior. The receptionist also uses a third monitor showing the dashboard’s plugin setting page. The third monitor is for the receptionist to verify visitor’s input after visitor finishes input.
For this plugin to get your company’s current local date, you must set the timezone value correctly. You can edit the timezone at Dashboard -> Settings -> General -> Timezone -> check if the value has been set correctly.
After plugin activation, go to the “Settings” menu to find the plugin admin page. By default, when you activate this plugin, it will automatically create a visit landing page for you. For some themes, if it does not automatically create a visit landing page for you, add this plugin root folder template-officevisitslogbook.php file to your template folder. For example, if you are using theme twentytwenty, then add the template-officevisitslogbook.php file to this folder: wordpress\wp-content\themes\twentytwenty\templates. Then you can create a new page (not a new post) using this template.
When you use the template method to create a new visit page, do not set the page title to “officevisitslogbook”. If you set the page title to “officevisitslogbook”, it could conflict with the page automatically created when you activate this plugin.
Documentation file is in the root folder with the name documentation_officevisitslogbook.pdf. Please follow the instructions in the file to install this plugin.
Donate URL link: 
https://paypal.me/mingsitservices?country.x=CA&locale.x=en_US
demo website:
https://www.mingsitservices.ca/officevisitslogbook
Log in WordPress admin page using
username:
user1
password:
user1
This user can not access the plugin setting page to change settings.
Documentation:
<a href="https://www.mingsitservices.ca/wp-content/plugins/officevisitslogbookfree/documentation_officevisitslogbook.pdf" target="_blank" rel="noopener noreferrer nofollow ugc">Click to access documentation_officevisitslogbook.pdf</a>

Platform and Database:
You can run it on any platform: Windows, Mac, Linux.
Database is MySQL. It’s free.
PHP version: PHP >= 5.4
Attention: PHP version and WordPress version may have compatibility issues. For example, WordPress 5.4 may not match PHP 8. Check this website for details: 
https://make.wordpress.org/core/handbook/references/php-compatibility-and-wordpress-versions/
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PHP has support for the mysqli extension (to used for prepared statement)
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Must use HTTPS, not http. If website use HTTP, tell the website admin – can not use the dragon ecommerce plugin.
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Since PHP 5.4 there are constants which can be used by json_encode() to format the json reponse how you want. To remove backslashes use: JSON_UNESCAPED_SLASHES. Like so: json_encode($response, JSON_UNESCAPED_SLASHES);
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There is an advanced version on sale here: 
https://www.codester.com/items/39162/office-visits-logbook-plugin-for-wordpress 
It can export visit records into an Excel file for download. It can also backup your database. The advanced version and this free version have the same database tables and stored procedures. It’s easy to migrate from this free version to the advanced version. Remember to backup your free version database before migration.
The visitor management system market is increasing fast. According to this website https://www.globenewswire.com/news-release/2023/06/27/2695465/0/en/Global-Visitor-Management-System-Market-Size-To-Grow-USD-2-7-Billion-By-2032-CAGR-of-18-4.html, 
Spherical Insights & Consulting published a report saying the global visitor management system market size was valued at USD 1.5 billion in 2022 and the worldwide visitor management system market size is expected to reach USD 2.7 billion by 2032.
This plugin is very popular. It has been downloaded over 1000 times in several months: 
https://wordpress.org/plugins/office-visits-logbook/advanced/

Office Visits Logbook Plugin for WordPress

I do not need paper office visit logbook any more! And I can search office visit history easily. So efficient and easy to use.

Office visit logbook works.

Your company is still using paper log sheets for office visitors? Everything is digital and paperless now. Being paperless can also save trees and pro …

Multi Days Events and Multi Events in One Day Calendar vs Office Visits Logbook Plugin for WordPress