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Zend Exam 200-710 Topic 8 Question 50 Discussion

Actual exam question for Zend's 200-710 exam
Question #: 50
Topic #: 8
[All 200-710 Questions]

What is the output of the following code?

function increment ($val)

{

++$val;

}

$val = 1;

increment ($val);

echo $val;

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Suggested Answer: B

by Franklyn at Jul 28, 2023, 04:19 PM

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Sabina
14 days ago
Oh, I see. So the function is like a black box that just does its thing and doesn't give me back the new value. Time to brush up on my PHP function basics!
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Daren
1 days ago
User 1: The output is 1.
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Tommy
20 days ago
I got this one! The output is 1 because the increment() function only modifies the local copy of $val, not the original variable. The echo statement outside the function still prints the original value of 1.
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Judy
24 days ago
Haha, this is a classic gotcha question! I remember seeing something similar in my last exam. The key is that the function doesn't return the incremented value, it just modifies the original variable. So the output will be 1.
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Britt
7 days ago
I always forget about passing by reference in PHP.
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Simona
13 days ago
Yeah, I fell for that one too. It's tricky!
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Ashley
1 months ago
Actually, the output is 1 because the increment function is not returning the updated value.
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Yesenia
1 months ago
I think the output is 2 because the increment function should increase the value by 1.
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Colby
1 months ago
Wait, why is the output not 1? Isn't the function just incrementing the value and then returning it? I'm confused.
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Twana
2 days ago
The function is incrementing the value, but it's not returning the updated value.
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Ashley
2 months ago
The output is 1.
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Linette
2 months ago
Actually, the output is 1 because the function is not returning the incremented value.
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Georgeanna
2 months ago
The output will be 2. The increment operator (++) increments the value of $val by 1, so after calling the increment() function, the value of $val should be 2.
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Weldon
15 days ago
Yes, it will be 2.
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Rachael
20 days ago
No, it will be 1.
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Mary
24 days ago
The output will be 2.
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Dylan
1 months ago
The output will be 1.
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Lura
2 months ago
I think the output will be 2 because the function is incrementing the value.
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Linette
2 months ago
The output is 1.
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