PHP Online Test
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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
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?
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
Array Search, Read First Line, Shipping Service, Flower Shop, Greeter, Last Key, Height, Shipping, Array Sum, Category Tree, Hobbies, Products, Username, View Count, Log Parser, Kilometer Converter, Paragraph, String Occurrence, Segment, Cookie, Read Write Execute, Filter, Fire Dragon, Unique Numbers, Action Stack, PC Parts Seller, Date Transform, Chain Link, Numbers To Text, Vectors, Special Actions, Language Teacher, Crop Ratio.
Skills and topics tested
- PHP
- Arrays
- Recursion
- Exceptions
- Callback
- Null Coalescing Operator
- Language
- Arithmetic
- Pass by Reference
- Associative Arrays
- Iteration
- JSON
- Serialization
- Sorting
- Regex
- Strings
- XML
- Inheritance
- Method Overriding
- OOP
- Stream
- Session
- Interfaces
- Algorithmic Thinking
- Stack
- Classes
- Properties
- Linked List
- Bug Fixing
- Integer Division
For job roles
- PHP Developer
- Web Developer
Sample candidate report
What others say
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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