PHP

In this article, you will find LinkedIn Assessment, Questions and Answers for PHP.

The ternary operator is a shorter version of an if...else expression. It allows us to execute an expression if a condition is satisfied and another expression if the condition is not satisfied.

This article, guide you through the retrieval of last array element in different ways in Laravel and also in PHP.

This tutorial explains with syntax and an example of how to create a collection instance from provided array with Laravel collect() helper method in the framework.

This tutorial explains with syntax and an example of how to flatten a multi-dimensional array based on the value of depth specified in the Laravel framework.

This tutorial explains with an example of how to move a record from one database table to another in PHP Laravel framework.

This tutorial explains how to create and drop composite keys with migration in PHP Laravel framework with syntax and example

This tutorial explains how to create composite keys with migration in PHP Laravel framework with syntax and example

Laravel allows developers to declare unsigned columns in different ways. As it’s required to handle the relationship between tables by just associating models with each other.

PHP has built in function http_build_query that can be used to prepare a query string from an array. Instead of explicitly appending elements to string, this function comes handy, which takes cares of generating URL-encoded query string either from an associative or indexed array.

Laravel provide a helper Arr::query() to build query string from an array, an alternative to core php http_build_query() method. Tested with Laravel versions 5.8, 6 and 7. Kindly check for your version on official helpers page.

Convert hexadecimal color to rgb or rgba in php