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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
29 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
16 days ago
User 1: The output is 1.
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Tommy
1 months 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
1 months 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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Simona
4 days ago
Definitely a common mistake to make.
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Joanna
8 days ago
Yeah, I fell for that one too. The output is 1.
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Britt
22 days ago
I always forget about passing by reference in PHP.
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Simona
28 days ago
Yeah, I fell for that one too. It's tricky!
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Ashley
2 months ago
Actually, the output is 1 because the increment function is not returning the updated value.
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Yesenia
2 months ago
I think the output is 2 because the increment function should increase the value by 1.
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Colby
2 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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Dusti
36 minutes ago
The function is incrementing the value, but it is not returning the updated value.
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Niesha
2 days ago
Got it, thanks for explaining!
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Shawna
14 days ago
Exactly, that's why the output is still 1.
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Dorothy
15 days ago
Oh, so the value of $val is not being changed outside of the function.
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Twana
17 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
1 months ago
Yes, it will be 2.
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Rachael
1 months ago
No, it will be 1.
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Mary
1 months ago
The output will be 2.
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Dylan
2 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
3 months ago
The output is 1.
upvoted 0 times
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