If you want to integrate copy to clipboard functionality on button click, JavaScript is the easiest option to do that. The HTML DOM execCommand() method provides a simple way to copy test to the clipboard. Use the copy command with document.execCommand() to copy text content to clipboard using JavaScript.

An API key is required to access Google Maps Geocoding API. You need to specify the API key in Geocoding API request. Go to the Google Cloud Platform Console and create a project to generate an API key for accessing Google Maps Geocoding API.

JavaScript replace() method search and replace the string with a specified value. Generally, JavaScript string replace() method replace only the first occurrence of a string. If you want to replace all the matching string from a string, Use replace() method with regular expression to replace all occurrences of a string in JavaScript.

Bootstrap Modal provides an easy way to display a dialog box on the web page. If you want to perform some functionality when the user closes the modal popup, you need to bind the function to Bootstrap modal close event. Use hide.bs.modal event to attach function to modal close event in Bootstrap using jQuery.

Hide element on click outside, is a must-have functionality for the dropdown menu. You can easily hide div or element when click outside of it using jQuery. Use jQuery mouseup event with target property to detect click event and hide div when clicking outside of the specific element.

Before submitting the selected files to the server-side script, it always a good idea to validate the number of files on the client-side. To implement client-side files number validation, you need to count the number of selected files. You can count selected files using JavaScript and jQuery.

Subtract time (hours, minutes, and seconds) from date can be easily done using date() and strtotime() function in PHP. You can use date() and strtotime() functions together to subtract hours or minutes or seconds form the current DateTime using PHP.

Mostly, the confirmation popup is shown before processing the delete request. You can easily display a confirmation dialog using Window confirm() method in the client-side. You can also use confirm() method to show confirm box on anchor link click with onclick() event.

The SHOW COLUMNS syntax shows the information about columns in a specified table. The INFORMATION_SCHEMA is the best way to get the columns of a table in MySQL. If you want to get the table columns from the PHP script, use INFORMATION_SCHEMA to select column names from a table in MySQL.