Digital Marketing Certification Course Exam Questions & Answers (DMCCEQA)

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Assuming that $first_name and $family_name are valid strings, which statement is invalid?

echo $first_name. ‘ ‘. $familiy_name;
print $first_name, ‘ ‘, $familiy_name;
print $first_name. ‘ ‘. $familiy_name;
echo $first_name, ‘ ‘, $familiy_name;

Correct Answer:

print $first_name, ‘ ‘, $familiy_name;

LinkedIn PHP Skill Quiz Assessment Answers 2023

The topics in the PHP assessment include: Utility Functions, Control Structures, Classes, Language Basics, Syntax, Arrays, Functions, Sessions and Cookies, Databases, Strings, Math, Dates, Operator Precedence, LinkedIn PHP Skill Quiz Assessment Answers

A PDO object called $db has been set up to use for database operations, including user authentication. All user-related properties are set. The script line public function construct(&$db) shows a constructor that initializes all user-related properties to __ if no user has logged in. These parameters will be properly set by the login functions when a user logs in.

All variables in PHP start with which symbol?

Assuming that $first_name and $family_name are valid strings, which statement is invalid?

Assuming the Horse class exists, which is a valid example of inheritance in PHP?

Both self and this are keywords that can be used to refer to member variables of an enclosing class. The difference is that $this->member should be used for members and self::$member should be used for members.

Both triple === and double == can be used to _ variables in php. If you want to hear that string “33” and the number 33 are equal, you would use . If you want to check if an array contains a particular string value at a particular index, you would use ___

For the HTML form below, what is the correct functioning script that checks the input “mail” to be sure it is filled before proceeding?

How might you troubleshoot a “call to undefined function” error?

In a conditional statement, you want to execute the code only if both value are true. Which comparison operator should you use?

In the following script, which line(s) will cause an error(s)?

PHP supports multiple types of loops. If you wanted to loop through a block of code if and as long a specified condition is true, which type of loop would you use?

The _ operator is useful for sorting operations. It compares two values and returns an integer less than, equal to, or greater than 0 depending on whether on whether the value on the _is less than, equal to, or greater than the other.

The following XML document is in books.xml. Which code will output “Historical”?

The ignore_user_abort( ) function sets whether a client disconnect should abort a script execution. In what scenario would you, as a web developer, use this function?

The PHP function array_reduce() takes a callback function that accepts a value carried over each iteration and the current item in the array, and reduces an array to a single value. Which code sample will sum and output the values in the provided array?

The php not operator is !. Given the snippet, is there an out put and what is it?

What displays in a browser when the following code is written?

What does this code output?

What does this script do?

What is a key difference between GET and POST?

What is missing from this code, which is supposed to create a test cookies?

What is the best way to explain what this script does?

What is the cause of ‘Cannot modify header information – headers already sent’?

What is the job of the controller as a component in MVC?

What is the purpose of adding a lowercase “u” as a modifier after the final delimiter in a Perl-compatible regular expression?

What is the significance of the three dots in this function signature?

What is the value of ‘$result’ in this calculation?

What is the value of $total in this calculation?

What will this code print?

Which are valid PHP error handling keywords?

Which code snippet demonstrates encapsulation?

Which code snippet uses the correct syntax for creating an instance of the Pet class?

Which code would you use to print all the elements in an array called $cupcakes?

Which is the correct format for adding a comment to a PHP script?

Which is the most secure way to avoid storing a password in clear text in database?

Which is the way to create an array of “seasons”?

Which line could you NOT use to comment out “Space: the final frontier”?

Which operator would you use to find the remainder after division?

Which php control structure is used inside a loop to skip the rest of the current loops code and go back to the start of the loop for the next iteration

Which PHP script uses a constructor to display the string “Winter is almost over!”?

Which value equates to true?

Why does this code trigger an error? $string = ‘Shylock in a Shakespeare’s “Merchangt of Venice” demands his pound of flesh.’;

You are using the following code to find a users band, but it is returning false. Which step(s) would solve the problem?

You want to list the modules available in your PHP installation. What command should you run?

Your php page is unexpectedly rendering as totally blank. Which step will shed light on the problem?

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