Zend 200-710 Exam - Topic 1 Question 79 Discussion

Actual exam question for Zend's 200-710 exam

Question #: 79
Topic #: 1

[All 200-710 Questions]

What will be the result of the following operation?

$a = array_merge([1,2,3] + [4=>1,5,6]);

echo $a[2];

Dfalse

EParse error

Show Suggested Answer

Suggested Answer: A

by Margurite at Sep 15, 2024, 08:12 AM

Limited Time Offer

25%

Off

Get Premium 200-710 Questions as Interactive Web-Based Practice Test or PDF

Contribute your Thoughts:

Submit Cancel

Mireya

4 months ago

I agree, it should be 3!

upvoted 0 times

...

Hollis

4 months ago

Wait, is that even valid syntax?

upvoted 0 times

...

Bette

4 months ago

I think it might actually return false.

upvoted 0 times

...

Rebbeca

5 months ago

Definitely going to be 3.

upvoted 0 times

...

Elenore

5 months ago

The operation uses array_merge, so it combines arrays.

upvoted 0 times

...

Rebecka

5 months ago

I feel like this might lead to a parse error because of the way the arrays are being combined.

upvoted 0 times

...

Delpha

5 months ago

This question seems similar to one we practiced where we combined arrays, but I can't remember the exact output for this specific case.

upvoted 0 times

...

Stephen

5 months ago

I remember something about array_merge, but I can't recall if it handles numeric keys differently.

upvoted 0 times

...

Serita

6 months ago

I think the operation is trying to merge two arrays, but I'm not sure how the addition works with arrays in PHP.

upvoted 0 times

...

Lajuana

6 months ago

No problem, I've got this. Array merge is a common operation, and accessing array elements by index is straightforward. I'll work through it quickly and move on to the next question.

upvoted 0 times

...

Lucia

6 months ago

Ugh, array operations can be tricky. I'm a bit unsure about how the array merge will affect the final result. I'll need to work through this step-by-step to make sure I don't miss anything.

upvoted 0 times

...

Chanel

6 months ago

Alright, time to put my PHP skills to the test. I'm pretty confident I can figure this out, but I'll make sure to read the question thoroughly before answering.

upvoted 0 times

...

Mitsue

6 months ago

Okay, let's see. We have an array merge operation, and then we're trying to access the element at index 2. I think I know how to approach this, but I want to double-check my work.

upvoted 0 times

...

Mica

6 months ago

Hmm, this looks like it's testing our understanding of array operations. I'll need to carefully think through the steps to get the right answer.

upvoted 0 times

...

Teri

11 months ago

I'd say the result is 'a good time', but that's probably not the right answer for a certification exam.

upvoted 0 times

Felix

9 months ago

E) Parse error

upvoted 0 times

...

Sharan

9 months ago

B) 3

upvoted 0 times

...

Matilda

10 months ago

E) Parse error

upvoted 0 times

...

Vincent

10 months ago

B) 3

upvoted 0 times

...

Arlene

10 months ago

A) 4

upvoted 0 times

...

Katie

11 months ago

E) Parse error. The + operator is not valid for merging arrays in PHP, so this code will result in a syntax error.

upvoted 0 times

Phil

10 months ago

Make sure to use the correct syntax for merging arrays in PHP.

upvoted 0 times

...

Carin

11 months ago

Yes, you're right. The code will result in a syntax error.

upvoted 0 times

...

Donte

11 months ago

I think the answer is E) Parse error.

upvoted 0 times

...

Cherelle

11 months ago

I'm going with D) false. The array_merge function returns a new array, so $a[2] will not be defined, resulting in a false value.

upvoted 0 times

Sheron

9 months ago

I'm not sure, but I'll go with A) 4. It seems like a possible outcome.

upvoted 0 times

...

Yvonne

10 months ago

I agree with B) 3. The value at index 2 in the merged array is 3.

upvoted 0 times

...

France

10 months ago

I believe the correct answer is B) 3. The index 2 in the merged array corresponds to the value 3.

upvoted 0 times

...

Gussie

11 months ago

I think it's E) Parse error because the syntax of array_merge is incorrect.

upvoted 0 times

...

Daniel

11 months ago

The correct answer is C) 2. The + operator will merge the arrays, but it will preserve the keys from the second array, so the element at index 2 will be 2.

upvoted 0 times