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Laravel Articles
Page 5 of 5
How to access the public directory in Laravel?
To get the file list from a public directory you can make use of the File facade class. To work with it you need to include the File class using the following statement – use Illuminate\Support\Facades\File; Assume we have the following files in the public folder − Example 1 Following Program tries to retrieve all the images from the public_folder −
Read MoreHow to validate an array in Laravel?
There are various ways to validate the input data in Laravel. One of those is the Validator class. The first step is that you need to include this class as shown below − use Illuminate\Support\Facades\Validator; When you work with an array you need to mention the keys and the rules to be used in the array. For example, consider the following array. Here, we are adding the keys, firstname, lastname, and address along with the values. Using rules we define all these elements are mandatory and of the data type String. $formData = array( 'firstname' => ...
Read MoreHow to add a new column to an existing table of Laravel in a migration?
The make:migration Artisan in Laravel (9) enables you to generate a database migration. You can find the resultant migration files are the database/migrations directory. Using this command, we can add a new column to a table (in addition to other operations). Syntax First of all let us first create a table using the make:migration command. Following is the syntax to create a new table in Laravel using this command − php artisan make:migration create_yourtablename_table Here, the table name is your_table_name. So let us create a table with the name: students. The command to create table students is as follows ...
Read MoreHow to get the server IP with Laravel?
The server IP will be the IP address of the server you are connected to. When you are working with Laravel to get the server IP you can make use of $_SERVER['SERVER_ADDR']. The $_SERVER variable acts as a global variable in PHP. It holds details like header information, script location, and other miscellaneous details. Example 1 The following example retrieves the details of the $_SERVER global variable.
Read MoreHow to check if a Laravel collection is empty?
Before we answer the above question, let us first understand what collections are in Laravel. Collection in Laravel is an API wrapper that helps you deal with different operations to be performed on arrays. It makes use of the class Illuminate\Support\Collection to deal with arrays in Laravel. To create a collection from a given array you need to make use of the collect() helper method that returns a collection instance. Later you can use a chain of methods like converting to lowercase and sorting on the collection instance. Example The example in this section demonstrates how to create a collection from ...
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