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Zend Exam 200-710 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];

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Suggested Answer: A

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

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Teri
2 months ago
I'd say the result is 'a good time', but that's probably not the right answer for a certification exam.
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Felix
27 days ago
E) Parse error
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Sharan
1 months ago
B) 3
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Matilda
1 months ago
E) Parse error
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Vincent
2 months ago
B) 3
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Arlene
2 months ago
A) 4
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Katie
3 months ago
E) Parse error. The + operator is not valid for merging arrays in PHP, so this code will result in a syntax error.
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Phil
2 months ago
Make sure to use the correct syntax for merging arrays in PHP.
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Carin
2 months ago
Yes, you're right. The code will result in a syntax error.
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Donte
2 months ago
I think the answer is E) Parse error.
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Cherelle
3 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.
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Sheron
30 days ago
I'm not sure, but I'll go with A) 4. It seems like a possible outcome.
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Yvonne
1 months ago
I agree with B) 3. The value at index 2 in the merged array is 3.
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France
1 months ago
I believe the correct answer is B) 3. The index 2 in the merged array corresponds to the value 3.
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Gussie
2 months ago
I think it's E) Parse error because the syntax of array_merge is incorrect.
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Daniel
3 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.
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Floyd
2 months ago
No, it's actually C) 2. The keys from the second array are preserved.
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Tonja
3 months ago
I think the answer is B) 3.
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Dannette
3 months ago
I think the answer is B) 3. The array_merge function will combine the two arrays, and the element at index 2 will be 3 from the first array.
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Vivan
2 months ago
You're welcome!
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Nohemi
2 months ago
Oh, I see. Thanks for clarifying.
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Elmira
3 months ago
No, it's actually A) 4. The keys from the second array will overwrite the keys from the first array.
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Shala
3 months ago
I think the answer is B) 3.
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Ciara
3 months ago
I'm not sure, but I think it might be a parse error.
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Leota
3 months ago
I believe it will be false.
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Wilda
4 months ago
I think the result will be 3.
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