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PHP, Drupal & SQL Online Test

About the test:

The PHP, Drupal & SQL Test uses scenario-based MCQs to evaluate candidates on their proficiency in PHP programming language, Drupal content management system, and SQL database. The test assesses candidates' understanding of topics such as module development, theming, database interactions, Drupal architecture, SQL queries, and database design principles. Candidates are evaluated on their ability to use these technologies to develop custom modules, themes, and configurations for Drupal, as well as their proficiency in writing efficient and effective SQL queries for data manipulation and retrieval.

Covered skills:

  • PHP Syntax Basics
  • PHP OOPs
  • SQL Joins and Indexes
  • Drupal routes and controllers
  • PHP Data Structures
  • SQL CRUD Operations
  • Drupal Modules and Themes
  • PHP Programming

9 reasons why
9 reasons why

Adaface PHP, Drupal & SQL Test is the most accurate way to shortlist PHP Developers



Reason #1

Tests for on-the-job skills

The PHP, Drupal & 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:

  • Efficient handling of PHP syntax basics
  • Strong understanding of PHP data structures
  • Proficiency in PHP OOPs concepts
  • Expertise in SQL CRUD operations
  • Deep knowledge of SQL joins and indexes
  • Ability to develop Drupal modules and themes
  • Skilled in Drupal routes and controllers
  • Proficient in PHP programming
  • Capability to write efficient PHP code
  • Strong problem-solving and debugging skills
Reason #2

No trick questions

no trick questions

Traditional assessment tools use trick questions and puzzles for the screening, which creates a lot of frustration among candidates about having to go through irrelevant screening assessments.

View sample questions

The main reason we started Adaface is that traditional pre-employment assessment platforms are not a fair way for companies to evaluate candidates. At Adaface, our mission is to help companies find great candidates by assessing on-the-job skills required for a role.

Why we started Adaface
Reason #3

Non-googleable 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 10,000+ questions. The actual questions on this PHP, Drupal & 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

Access content
Routes
Controllers
Solve
Review the following Drupal code:
 image
 image
Pick the correct statements:

A: When /sample is accessed, access is allowed without checking for permissions and SampleController::content method is invoked
B: When /sample is accessed, ‘access content’ permission is checked on the accessing user and, if access is granted, SampleController::content method is invoked
C: When /sample is accessed, the page outputs ‘A’ on the page with title ‘B’
D: When /sample is accessed, the page outputs ‘B’ on the page with title ‘A’
E: When /sample is accessed, the page outputs ‘A’ on the page with no title
F: When /sample is accessed, the page outputs nothing on the page with title ‘B’

Medium

Insert Queries
Database API
Solve
Review the following Drupal code:
 image
Pick the correct statements:
A: Both the snippets create the queries to run but are not executed until $query→execute() is called
B: When Snippet 2 is run, the insert statements are executed one after the other always. Equivalent to calling →execute() two separate times for each item in $values.
C: When Snippet 2 is run, depending on the database, the insert statements will be executed together in a transaction
D: The return value of $result→execute will be the inserted record entry

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

Access content
Routes
Controllers

2 mins

Drupal
Solve

Medium

Insert Queries
Database API

2 mins

Drupal
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
Access content
Routes
Controllers
Drupal
Medium2 mins
Solve
Insert Queries
Database API
Drupal
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
Reason #4

1200+ customers in 75 countries

customers in 75 countries
Brandon

With Adaface, we were able to optimise our initial screening process by upwards of 75%, freeing up precious time for both hiring managers and our talent acquisition team alike!


Brandon Lee, Head of People, Love, Bonito

Reason #5

Designed for elimination, not selection

The most important thing while implementing the pre-employment PHP, Drupal & SQL Test in your hiring process is that it is an elimination tool, not a selection tool. In other words: you want to use the test to eliminate the candidates who do poorly on the test, not to select the candidates who come out at the top. While they are super valuable, pre-employment tests do not paint the entire picture of a candidate’s abilities, knowledge, and motivations. Multiple easy questions are more predictive of a candidate's ability than fewer hard questions. Harder questions are often "trick" based questions, which do not provide any meaningful signal about the candidate's skillset.

Science behind Adaface tests
Reason #6

1 click candidate invites

Email invites: You can send candidates an email invite to the PHP, Drupal & SQL Test from your dashboard by entering their email address.

Public link: You can create a public link for each test that you can share with candidates.

API or integrations: You can invite candidates directly from your ATS by using our pre-built integrations with popular ATS systems or building a custom integration with your in-house ATS.

invite candidates
Reason #7

Detailed scorecards & benchmarks

View sample scorecard
Reason #8

High completion rate

Adaface tests are conversational, low-stress, and take just 25-40 mins to complete.

This is why Adaface has the highest test-completion rate (86%), which is more than 2x better than traditional assessments.

test completion rate
Reason #9

Advanced Proctoring


Learn more

About the PHP, Drupal & SQL Assessment Test

Why you should use Pre-employment PHP, Drupal & SQL Online Test?

The PHP, Drupal & SQL Test makes use of scenario-based questions to test for on-the-job skills as opposed to theoretical knowledge, ensuring that candidates who do well on this screening test have the relavant skills. The questions are designed to covered following on-the-job aspects:

  • Understanding PHP syntax basics
  • Implementing PHP data structures
  • Applying PHP object-oriented programming principles
  • Performing SQL CRUD operations
  • Utilizing SQL joins and indexes
  • Developing Drupal modules and themes
  • Creating Drupal routes and controllers
  • Demonstrating PHP programming skills
  • Applying advanced PHP concepts like closures and generators
  • Designing scalable PHP applications

Once the test is sent to a candidate, the candidate receives a link in email to take the test. For each candidate, you will receive a detailed report with skills breakdown and benchmarks to shortlist the top candidates from your pool.

What topics are covered in the PHP, Drupal & SQL Online Test?

  • PHP Syntax Basics

    This skill measures the understanding of basic syntax rules and constructs in PHP programming. It includes knowledge of variables, data types, operators, control structures, and functions. Evaluating this skill helps assess the candidate's ability to write syntactically correct PHP code and their familiarity with the core concepts of the language.

  • PHP Data Structures

    This skill assesses the candidate's familiarity with various data structures in PHP, such as arrays, strings, and objects. It includes understanding how to manipulate data in these structures, access elements, perform operations like sorting and filtering, and implement algorithms efficiently. This skill evaluation provides insights into the candidate's ability to work with different types of data and their knowledge of PHP's built-in data structures.

  • PHP OOPs

    This skill measures the candidate's understanding of object-oriented programming concepts in PHP. It includes knowledge of classes, objects, inheritance, polymorphism, and encapsulation. Evaluating this skill helps assess the candidate's ability to design and implement modular, reusable, and maintainable code using object-oriented principles.

  • SQL CRUD Operations

    This skill assesses the candidate's proficiency in performing CRUD (Create, Read, Update, Delete) operations using SQL queries. It includes knowledge of SQL syntax, understanding how to interact with databases, and writing queries for creating, retrieving, updating, and deleting records. Evaluating this skill helps determine the candidate's ability to work with data in a relational database management system.

  • SQL Joins and Indexes

    This skill measures the candidate's understanding of SQL joins and indexes. It includes knowledge of different types of joins like inner, outer, and cross joins, and the ability to formulate and execute complex join queries. Additionally, it involves understanding the concept of indexes and their significance in optimizing database performance. Evaluating this skill helps assess the candidate's ability to incorporate efficient querying and data retrieval techniques in database applications.

  • Drupal Modules and Themes

    This skill assesses the candidate's familiarity with creating and customizing modules and themes in the Drupal content management system. It includes knowledge of Drupal's architecture, hooks, module development, and theme building. Evaluating this skill helps determine the candidate's ability to extend the functionality of Drupal and create visually appealing and user-friendly websites using custom modules and themes.

  • Drupal routes and controllers

    This skill measures the candidate's ability to define routes and implement controllers in the Drupal framework. It includes knowledge of Drupal's routing system, routing configuration, and implementing controller actions. Evaluating this skill helps assess the candidate's ability to create and manage URLs/routes and handle user requests effectively in Drupal.

  • PHP Programming

    This skill evaluates the candidate's overall proficiency in PHP programming. It includes a combination of all the aforementioned skills - syntax, data structures, object-oriented programming, and database interaction. Assessing this skill provides an overall understanding of the candidate's PHP programming abilities and their potential to work effectively on PHP-based projects.

  • Full list of covered topics

    The actual topics of the questions in the final test will depend on your job description and requirements. However, here's a list of topics you can expect the questions for PHP, Drupal & SQL Test to be based on.

    PHP Variables
    PHP Operators
    PHP Control Structures
    PHP Functions
    PHP Arrays
    PHP Strings
    PHP Loops
    PHP Conditionals
    PHP Classes
    PHP Inheritance
    PHP Abstraction
    PHP Encapsulation
    PHP Polymorphism
    SQL Select Query
    SQL Insert Query
    SQL Update Query
    SQL Delete Query
    SQL Joins
    SQL Indexes
    Drupal Hooks
    Drupal Theming
    Drupal Content Types
    Drupal Views
    Drupal Blocks
    Drupal Entities
    Drupal Forms
    Drupal Field API
    Drupal Security
    Drupal Routing
    Drupal Controllers
    Object-Oriented PHP
    Exception Handling in PHP
    Working with Databases in PHP
    PHP File Handling
    PHP Error Handling
    PHP Regular Expressions
    PHP REST API
    PHP Session Handling
    PHP Cookie Handling
    PHP Authentication
    PHP Encryption
    PHP XML Parsing
    PHP JSON Parsing
    PHP Date and Time Functions
    PHP Image Manipulation
    PHP Unit Testing
    PHP Debugging
    PHP Performance Optimization
    Security Best Practices in PHP
    Understanding MVC Architecture
    Software Development Life Cycle
    Git Basics
    Git Branching
    Git Merging
    Git Rebasing
    HTML Basics
    CSS Basics
    JavaScript Basics
    jQuery Basics
    AJAX Fundamentals
    Responsive Web Design
    Cross-Browser Compatibility
    Code Documentation

What roles can I use the PHP, Drupal & SQL Online Test for?

  • PHP Developer
  • Drupal Developer
  • Full Stack Developer

How is the PHP, Drupal & SQL Online Test customized for senior candidates?

For intermediate/ experienced candidates, we customize the assessment questions to include advanced topics and increase the difficulty level of the questions. This might include adding questions on topics like

  • Utilizing design patterns in PHP development
  • Optimizing SQL queries for performance
  • Implementing database normalization techniques
  • Utilizing transaction management in SQL
  • Securing Drupal application through permissions and roles
  • Implementing multilingual support in Drupal
  • Utilizing caching mechanisms in PHP
  • Developing RESTful APIs in Drupal
  • Writing unit tests for PHP code
  • Optimizing database performance through indexing

The coding question for experienced candidates will be of a higher difficulty level to evaluate more hands-on experience.

Singapore government logo

The hiring managers felt that through the technical questions that they asked during the panel interviews, they were able to tell which candidates had better scores, and differentiated with those who did not score as well. They are highly satisfied with the quality of candidates shortlisted with the Adaface screening.


85%
reduction in screening time

PHP, Drupal & SQL Hiring Test FAQs

Can I combine multiple skills into one custom assessment?

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.

Do you have any anti-cheating or proctoring features in place?

We have the following anti-cheating features in place:

  • Non-googleable questions
  • IP proctoring
  • Screen proctoring
  • Web proctoring
  • Webcam proctoring
  • Plagiarism detection
  • Secure browser
  • Copy paste protection

Read more about the proctoring features.

How do I interpret test scores?

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.

What experience level can I use this test for?

Each Adaface assessment is customized to your job description/ ideal candidate persona (our subject matter experts will pick the right questions for your assessment from our library of 10000+ questions). This assessment can be customized for any experience level.

Does every candidate get the same questions?

Yes, it makes it much easier for you to compare candidates. Options for MCQ questions and the order of questions are randomized. We have anti-cheating/ proctoring features in place. In our enterprise plan, we also have the option to create multiple versions of the same assessment with questions of similar difficulty levels.

I'm a candidate. Can I try a practice test?

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

What is the cost of using this test?

You can check out our pricing plans.

Can I get a free trial?

Yes, you can sign up for free and preview this test.

I just moved to a paid plan. How can I request a custom assessment?

Here is a quick guide on how to request a custom assessment on Adaface.

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