PHP Online Test

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About the test

The PHP online test assesses knowledge of programming in the PHP language through a series of live coding questions.

The assessment includes work-sample tasks such as:

  • Serializing to/from JSON to handle web requests.
  • Using OOP principles in PHP.
  • Working with associative arrays and using common built-in functions.

A good PHP developer needs a solid understanding of the PHP programming language and its specifics, OOP principles, and the ability to take advantage of its rich set of built-in functions.

Sample public questions

Easy
5 min
mca
Public
PHP
Sanitization
Validation

You're maintaining the PHP back-end of a Tree Planting website.

The registerForEvent function is called by the server when interested people fill a form to register for a tree planting event.

The register function it calls performs the registration logic.

Consider the code for the registerForEvent function:

function registerForEvent($name, $seedBagsNeeded)
{
    $sanitizedName = filter_var($name, FILTER_SANITIZE_SPECIAL_CHARS);
    $filteredBagsNeeded = filter_var($seedBagsNeeded, FILTER_VALIDATE_INT);
    register($sanitizedName, $filteredBagsNeeded);
}

What is correct about the filtering and sanitization done in the code above?

Easy
10 min
code
Public
PHP
Associative Arrays

Implement a groupByOwners function that:

  • Accepts an associative array containing the file owner name for each file name.
  • Returns an associative array containing an array of file names for each owner name, in any order.

For example, for associative array ["Input.txt" => "Randy", "Code.py" => "Stan", "Output.txt" => "Randy"] the groupByOwners function should return ["Randy" => ["Input.txt", "Output.txt"], "Stan" => ["Code.py"]].

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33 more premium PHP questions

Last Key, Height, Shipping, Array Sum, Category Tree, Hobbies, Paragraph, Products, Username, View Count, Crop Ratio, Log Parser, Kilometer Converter, String Occurrence, Array Search, Segment, Cookie, Read Write Execute, Read First Line, Filter, Fire Dragon, Unique Numbers, Shipping Service, Action Stack, Flower Shop, PC Parts Seller, Date Transform, Greeter, Chain Link, Numbers To Text, Vectors, Special Actions, Language Teacher.

Skills and topics tested

  • PHP
  • Arrays
  • Arithmetic
  • Language
  • Pass by Reference
  • Associative Arrays
  • Exceptions
  • Iteration
  • Regex
  • Strings
  • JSON
  • Serialization
  • Sorting
  • Bug Fixing
  • Integer Division
  • XML
  • Inheritance
  • Method Overriding
  • OOP
  • Stream
  • Recursion
  • Session
  • Interfaces
  • Algorithmic Thinking
  • Callback
  • Stack
  • Null Coalescing Operator
  • Classes
  • Properties
  • Linked List

For job roles

  • PHP Developer
  • Web Developer

Sample candidate report

What others say

Decorative quote

Simple, straight-forward technical testing

TestDome is simple, provides a reasonable (though not extensive) battery of tests to choose from, and doesn't take the candidate an inordinate amount of time. It also simulates working pressure with the time limits.

Jan Opperman, Grindrod Bank

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