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PHP, Laravel and SQL Online Test

The PHP, Laravel and SQL Online Test uses scenario-based MCQs to evaluate candidates on their knowledge and proficiency in PHP programming language, Laravel framework, and SQL database. The test assesses candidates' understanding of topics such as object-oriented programming, Laravel routing, database migrations, Eloquent ORM, SQL queries, and database design principles. Candidates are evaluated on their ability to solve real-world programming problems using PHP and Laravel, as well as their proficiency in writing efficient and effective SQL queries.

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Screen candidates with a 50 mins test

Test duration:  50 mins
Difficulty level:  Moderate
Availability:  Ready to use
Questions:
  • 5 PHP MCQs
  • 5 Laravel MCQs
  • 5 SQL MCQs
  • 1 PHP Coding Question
Covered skills:
PHP Syntax Basics
PHP Data Structures
PHP OOPs
SQL CRUD Operations
SQL Joins and Indexes
Laravel Templates and Components
Laravel routes and controllers
Database migrations and relationships
PHP Programming
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Use the PHP, Laravel and SQL Test to shortlist qualified candidates

The PHP, Laravel and SQL Online Test helps recruiters and hiring managers identify qualified candidates from a pool of resumes, and helps in taking objective hiring decisions. It reduces the administrative overhead of interviewing too many candidates and saves time by filtering out unqualified candidates at the first step of the hiring process.

The test screens for the following skills that hiring managers look for in candidates:

  • Ability to write PHP code that follows correct syntax and conventions
  • Understanding and knowledge of PHP data structures such as arrays and strings
  • Proficiency in object-oriented programming concepts in PHP
  • Ability to perform basic CRUD operations in SQL
  • Understanding and implementation of SQL joins and indexes
  • Familiarity with Laravel templates and components
  • Knowledge of Laravel routes and controllers
  • Understanding and experience with database migrations and relationships
  • Problem-solving and logical thinking skills in PHP programming
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Screen candidates with the highest quality questions

We have a very high focus on the quality of questions that test for on-the-job skills. Every question is non-googleable and we have a very high bar for the level of subject matter experts we onboard to create these questions. We have crawlers to check if any of the questions are leaked online. If/ when a question gets leaked, we get an alert. We change the question for you & let you know.

How we design questions

These are just a small sample from our library of 15,000+ questions. The actual questions on this PHP, Laravel & SQL Test will be non-googleable.

🧐 Question

Medium

Dynamic Function Calls
Arrays
Strings
Functions
Solve
Consider the following PHP pseudo code:
 image
The processArray function processes the $data array based on the transformation operations defined in the $operations array. The operations array dictates which transformation function to call for each sub-array key. What will be the output of the above code?
 image

Hard

Alter and Change
OOPs
Solve
What does the following code output?
 image

Hard

Exceptions
Exceptions
Solve
What does the following code output?
 image

Easy

PDO MySQL
Database Connections
Solve
Consider the following table data and PHP code. What is the result?
 image

Medium

Session Management and Object Serialization
Sessions
Serialization
Solve
Consider the following PHP script:
 image
Assuming you run the script twice in a row without clearing the session data, what will be the output on the second run?

Medium

Applying Middleware to Resource Routes
Middleware
Routing
Solve
You are developing a Laravel application that has a PostController for managing blog posts. The routes for this controller are set up as a resource route in your web.php file:
 image
You have already created a middleware called EnsureAdminRole to restrict access to certain routes for admin users. Now, you want to apply this middleware to the create, edit, update, and delete routes for the PostController, but not the index or show routes.

Which of the following ways would correctly apply the EnsureAdminRole middleware to these routes?
 image

Medium

Custom Validation Rule
Validation
Request Handling
Custom Rules
Solve
In your Laravel application, you are implementing a registration form where users enter their birthdate as a string in the 'Y-m-d' format. You want to ensure that only users aged 18 years or older can register. To achieve this, you decide to write a custom validation rule. Consider the following implementation of the custom rule and a function to handle the registration request:
 image
Which of the following code snippets correctly fills the passes method in the AgeRestriction class to ensure that only users aged 18 or older can register, given that the birthdate is a string in the 'Y-m-d' format?
 image

Medium

Eloquent Relationship Handling
ORM
Relationships
Database Operations
Solve
Consider the following code snippet in a Laravel application:
 image
Assume the user 'John Doe' is the first user in the User table. You want to retrieve all comments belonging to a post made by this user ('John Doe'). Which of the following Eloquent expressions is the correct way to achieve this?
 image

Medium

Route Model Binding
Routing
Controllers
Eloquent
Solve
In your Laravel application, you're making use of route model binding to handle retrieving models based on the incoming request. You have a route defined as follows:
 image
In your PostController, the show method looks like this:
 image
Now, imagine that instead of using the ID, you want to retrieve posts by their 'slug' for SEO purposes. Which of the following changes should you make in order to achieve this?
A: Modify the route to Route::get('/posts/{slug}', 'PostController@show'); and change the show method to public function show($slug).
B: Modify the getRouteKeyName method in the Post model to return 'slug'.
C: Change the show method to public function show(Post $slug).
D: No changes are needed, Laravel will automatically use the 'slug' if it exists.

Medium

Service Container
Service Container
Dependency Injection
Solve
In a Laravel application, the Service Container is a powerful tool for managing class dependencies and performing dependency injection. You're building a payment feature and created an interface PaymentGatewayInterface and two concrete classes, StripePaymentGateway and PaypalPaymentGateway, which implement this interface.

The application should use StripePaymentGateway for users located in the US, and PaypalPaymentGateway for users located in Europe.

Which of the following approach would you use to register these bindings in the Service Container?
A: Use App::bind(PaymentGatewayInterface::class, StripePaymentGateway::class) for US users and App::bind(PaymentGatewayInterface::class, PaypalPaymentGateway::class) for European users.

B: Use App::singleton(PaymentGatewayInterface::class, StripePaymentGateway::class) for US users and App::singleton(PaymentGatewayInterface::class, PaypalPaymentGateway::class) for European users.

C: Use a conditional statement within the binding closure of App::bind to check the user's location and bind the appropriate concrete class.

D: Use App::instance(PaymentGatewayInterface::class, new StripePaymentGateway) for US users and App::instance(PaymentGatewayInterface::class, new PaypalPaymentGateway) for European users.

E: Use App::when('App\\Http\\Controllers\\PaymentController')->needs(PaymentGatewayInterface::class)->give(StripePaymentGateway::class) for US users and the same method with PaypalPaymentGateway::class for European users.

Medium

Multi Select
JOIN
GROUP BY
Solve
Consider the following SQL table:
 image
How many rows does the following SQL query return?
 image

Medium

nth highest sales
Nested queries
User Defined Functions
Solve
Consider the following SQL table:
 image
Which of the following SQL commands will find the ‘nth highest Sales’ if it exists (returns null otherwise)?
 image

Medium

Select & IN
Nested queries
Solve
Consider the following SQL table:
 image
Which of the following SQL queries would return the year when neither a football or cricket winner was chosen?
 image

Medium

Sorting Ubers
Nested queries
Join
Comparison operators
Solve
Consider the following SQL table:
 image
What will be the first two tuples resulting from the following SQL command?
 image

Hard

With, AVG & SUM
MAX() MIN()
Aggregate functions
Solve
Consider the following SQL table:
 image
How many tuples does the following query return?
 image

Easy

Registration Queue
Logic
Queues
Solve
We want to register students for the next semester. All students have a receipt which shows the amount pending for the previous semester. A positive amount (or zero) represents that the student has paid extra fees, and a negative amount represents that they have pending fees to be paid. The students are in a queue for the registration. We want to arrange the students in a way such that the students who have a positive amount on the receipt get registered first as compared to the students who have a negative amount. We are given a queue in the form of an array containing the pending amount.
For example, if the initial queue is [20, 70, -40, 30, -10], then the final queue will be [20, 70, 30, -40, -10]. Note that the sequence of students should not be changed while arranging them unless required to meet the condition.
⚠️⚠️⚠️ Note:
- The first line of the input is the length of the array. The second line contains all the elements of the array.
- The input is already parsed into an array of "strings" and passed to a function. You will need to convert string to integer/number type inside the function.
- You need to "print" the final result (not return it) to pass the test cases.

For the example discussed above, the input will be:
5
20 70 -40 30 -10

Your code needs to print the following to the standard output:
20 70 30 -40 -10

Medium

Visitors Count
Strings
Logic
Solve
A manager hires a staff member to keep a record of the number of men, women, and children visiting the museum daily. The staff will note W if any women visit, M for men, and C for children. You need to write code that takes the string that represents the visits and prints the count of men, woman and children. The sequencing should be in decreasing order. 
Example:

Input:
WWMMWWCCC

Expected Output: 
4W3C2M

Explanation: 
‘W’ has the highest count, then ‘C’, then ‘M’. 
⚠️⚠️⚠️ Note:
- The input is already parsed and passed to a function.
- You need to "print" the final result (not return it) to pass the test cases.
- If the input is- “MMW”, then the expected output is "2M1W" since there is no ‘C’.
- If any of them have the same count, the output should follow this order - M, W, C.
🧐 Question🔧 Skill

Medium

Dynamic Function Calls
Arrays
Strings
Functions

2 mins

PHP
Solve

Hard

Alter and Change
OOPs

2 mins

PHP
Solve

Hard

Exceptions
Exceptions

2 mins

PHP
Solve

Easy

PDO MySQL
Database Connections

2 mins

PHP
Solve

Medium

Session Management and Object Serialization
Sessions
Serialization

2 mins

PHP
Solve

Medium

Applying Middleware to Resource Routes
Middleware
Routing

2 mins

Laravel
Solve

Medium

Custom Validation Rule
Validation
Request Handling
Custom Rules

3 mins

Laravel
Solve

Medium

Eloquent Relationship Handling
ORM
Relationships
Database Operations

3 mins

Laravel
Solve

Medium

Route Model Binding
Routing
Controllers
Eloquent

2 mins

Laravel
Solve

Medium

Service Container
Service Container
Dependency Injection

2 mins

Laravel
Solve

Medium

Multi Select
JOIN
GROUP BY

2 mins

SQL
Solve

Medium

nth highest sales
Nested queries
User Defined Functions

3 mins

SQL
Solve

Medium

Select & IN
Nested queries

3 mins

SQL
Solve

Medium

Sorting Ubers
Nested queries
Join
Comparison operators

3 mins

SQL
Solve

Hard

With, AVG & SUM
MAX() MIN()
Aggregate functions

2 mins

SQL
Solve

Easy

Registration Queue
Logic
Queues

30 mins

Coding
Solve

Medium

Visitors Count
Strings
Logic

30 mins

Coding
Solve
🧐 Question🔧 Skill💪 Difficulty⌛ Time
Dynamic Function Calls
Arrays
Strings
Functions
PHP
Medium2 mins
Solve
Alter and Change
OOPs
PHP
Hard2 mins
Solve
Exceptions
Exceptions
PHP
Hard2 mins
Solve
PDO MySQL
Database Connections
PHP
Easy2 mins
Solve
Session Management and Object Serialization
Sessions
Serialization
PHP
Medium2 mins
Solve
Applying Middleware to Resource Routes
Middleware
Routing
Laravel
Medium2 mins
Solve
Custom Validation Rule
Validation
Request Handling
Custom Rules
Laravel
Medium3 mins
Solve
Eloquent Relationship Handling
ORM
Relationships
Database Operations
Laravel
Medium3 mins
Solve
Route Model Binding
Routing
Controllers
Eloquent
Laravel
Medium2 mins
Solve
Service Container
Service Container
Dependency Injection
Laravel
Medium2 mins
Solve
Multi Select
JOIN
GROUP BY
SQL
Medium2 mins
Solve
nth highest sales
Nested queries
User Defined Functions
SQL
Medium3 mins
Solve
Select & IN
Nested queries
SQL
Medium3 mins
Solve
Sorting Ubers
Nested queries
Join
Comparison operators
SQL
Medium3 mins
Solve
With, AVG & SUM
MAX() MIN()
Aggregate functions
SQL
Hard2 mins
Solve
Registration Queue
Logic
Queues
Coding
Easy30 minsSolve
Visitors Count
Strings
Logic
Coding
Medium30 minsSolve

Test candidates on core PHP, Laravel and SQL Hiring Test topics

PHP Syntax Basics: PHP Syntax Basics refers to the fundamental rules and conventions of writing PHP code, including its syntax, variables, data types, operators, and control structures. It is important to measure this skill in the test to ensure that candidates have a strong foundation in PHP programming, which is necessary for successfully working with PHP frameworks like Laravel and performing database operations using SQL queries.

PHP Data Structures: PHP Data Structures involve the organization and storage of data in PHP, such as arrays, strings, objects, and maps. Assessing this skill allows recruiters to evaluate a candidate's ability to manipulate and manage data effectively, which is crucial for developing complex web applications and working with databases in PHP.

PHP OOPs: PHP OOPs, or PHP Object-Oriented Programming, is a programming paradigm that focuses on the creation and interaction of objects. This skill is essential for developing modular, reusable, and scalable code using concepts such as classes, objects, inheritance, encapsulation, and polymorphism. By measuring this skill, recruiters can assess a candidate's proficiency in writing object-oriented code, a fundamental aspect of PHP and Laravel development.

SQL CRUD Operations: SQL CRUD Operations refer to the Create, Read, Update, and Delete operations performed on a database using SQL queries. This skill is essential for developers working with databases in PHP and Laravel, as it allows them to interact with and manipulate data stored in the database. Assessing this skill helps recruiters determine a candidate's ability to perform basic database operations efficiently and accurately.

SQL Joins and Indexes: SQL Joins and Indexes are crucial components of database management and optimization. SQL Joins enable developers to combine data from multiple tables based on common columns, while SQL Indexes enhance query performance by providing faster data access. Measuring this skill ensures that candidates can effectively retrieve and manipulate data from a relational database, improving the overall efficiency and performance of their PHP and Laravel applications.

Laravel Templates and Components: Laravel Templates and Components are essential for designing and building user interfaces in Laravel applications. Templates provide a consistent layout for web pages, while Components encapsulate reusable UI elements. Assessing this skill allows recruiters to evaluate a candidate's ability to create visually appealing and interactive interfaces using Laravel's powerful templating system.

Laravel routes and controllers: Laravel routes and controllers form the backbone of the application's logic and request handling. Routes define the URL structure and map it to corresponding controller methods, which handle the incoming requests. Evaluating this skill helps recruiters gauge a candidate's understanding of routing and controller implementation in Laravel, ensuring they can effectively handle and process user requests.

Database migrations and relationships: Database migrations in Laravel are used to manage changes to the database schema and structure over time. They allow developers to version control and easily deploy these changes across different environments. Assessing this skill ensures that candidates can confidently design and implement database migrations, as well as establish relationships between different database tables, ensuring efficient data organization and retrieval in Laravel applications.

PHP Programming: PHP Programming refers to the overall proficiency in the PHP programming language, encompassing all the skills mentioned above, along with knowledge of best practices, error handling, debugging, and performance optimization. Evaluating this skill provides recruiters with a comprehensive assessment of a candidate's ability to develop scalable and maintainable PHP applications using Laravel and SQL.

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Have questions about the PHP, Laravel and SQL Hiring Test?

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Can I customize the test?

Yes, absolutely. Custom assessments are set up within 48 hours based on your job description, and will include questions on all must-have skills you specify. Here's a quick guide on how you can request a custom test. You can also customize a test by uploading your own questions.

Can I combine multiple skills into one test?

Yes, absolutely. Custom assessments are set up based on your job description, and will include questions on all must-have skills you specify. Here's a quick guide on how you can request a custom test.

What roles can I use the PHP, Laravel and SQL Test for?

Here are few roles for which we recommend this test:

  • PHP Developer
  • Laravel Developer
  • Full Stack Developer
  • API Developer
  • Backend Developer
Can I see a sample test, or do you have a free trial?

Yes!

The free trial includes one sample technical test (Java/ JavaScript) and one sample aptitude test that you will find in your dashboard when you sign up. You can use it to review the quality of questions and the candidate experience of giving a test on Adaface.

You can preview any of the 500+ tests and see the sample questions to decide if it would be a good fit for your requirements.

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The primary thing to keep in mind is that an assessment is an elimination tool, not a selection tool. A skills assessment is optimized to help you eliminate candidates who are not technically qualified for the role, it is not optimized to help you find the best candidate for the role. So the ideal way to use an assessment is to decide a threshold score (typically 55%, we help you benchmark) and invite all candidates who score above the threshold for the next rounds of interview.

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No. Unfortunately, we do not support practice tests at the moment. However, you can use our sample questions for practice.

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