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The HTML/CSS, JavaScript, PHP, and SQL online test assesses candidates' knowledge across the whole Web stack from HTML, CSS, and JavaScript on the Web front-end over PHP on the back-end to SQL for data access.
It's an ideal test for pre-employment screening. A good full stack PHP developer needs to be able to use a wide range of technologies.
This online test requires candidates to solve coding problems and find and fix bugs in multiple technologies.
Every user on your website has an image avatar that is displayed when they post a comment. You want to style these images differently from other images on your site. Add a CSS class named avatar that fulfils the following requirements:
For example, the avatar in the template should look like:
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 the ensure function so that it throws an error if called without arguments or the argument is undefined. Otherwise it should return the given value.
Given the following data definition, write a query that returns the number of students whose first name is John.
TABLE students id INTEGER PRIMARY KEY, firstName VARCHAR(30) NOT NULL, lastName VARCHAR(30) NOT NULL
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