When users upload images, it’s helpful to let them see a preview before sending it to the server. This way, they can quickly spot mistakes and remove or change any wrong images. You can implement this seamlessly with jQuery. In this tutorial, we will show how to show image preview using jQuery with a simple
In this example, we will generate random string in PHP using multiple methods. PHP does not provide a built-in function for random strings, but we can create them using random numbers. PHP has three different functions to generate random numbers. These functions accept minimum and maximum values and return a random number from that range.
Knowing how to generate QR code in PHP and allow users to download it as an image is an essential skill for developers. QR codes play a major role in industries like online payments, eCommerce, ticket booking, and even on visiting cards. A QR code stores information such as serial numbers or website addresses. When
When working with files, it’s important to check file exists or not using PHP before attempting to access them. This prevents errors and improves the user experience by handling missing files gracefully. PHP offers several built-in functions to manage file operations efficiently. In this tutorial, we will explore these functions and demonstrate how to check
In this example, we will check the database connection in Laravel. Before starting to create a new Laravel application start your database services like XAMPP or WAMPP and change database credentials in the .env file. Here, we will check database is connected and get an active database name using DB helper. To check database exists
Sometimes retrieving data in Laravel can return incorrect results or unexpected values. To debug or optimize these cases, we often need to get SQL query in Laravel and inspect the exact query executed. Laravel provides multiple ways to convert Eloquent queries into raw SQL queries, making it easier to analyze and troubleshoot database operations. Using
When working with files in Laravel, it’s often necessary to get file list from directory in Laravel to manage or display them efficiently. Using the Storage Facade, we can easily retrieve all files from a directory or sub-directories. While PHP offers multiple methods to list files, Laravel’s built-in approach simplifies the process and keeps the
In Laravel, you can create a custom method in Laravel model to handle specific logic like formatting dates or manipulating attributes. This approach keeps your code organized and reusable whenever you access model data. For instance, we will define a custom method in the model to convert date objects using Carbon and apply type casting,
In many applications, we often need to clear all records from a database table. For example, tables storing temporary data like session logs, cache records, or daily reports require regular cleanup to maintain performance. In Laravel, we can delete all data from an Eloquent model easily. This removes all rows while keeping the table structure
In Laravel, collections are a common way to store and work with data. Sometimes, we need to check collection is empty or not in Laravel before performing operations to avoid errors or unexpected results. The Collection class provides many methods similar to array functions, making it easy to manipulate and access data. There are several
