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Zend 200-710 Exam - Topic 8 Question 50 Discussion

What is the output of the following code?function increment ($val){++$val;}$val = 1;increment ($val);echo $val;
A) 1

Zend 200-710 Exam - 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;

Show Suggested Answer Hide Answer
Suggested Answer: B

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

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Jutta
10 months ago
That's correct, just a local increment.
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Ulysses
10 months ago
Yup, it's passed by value, so it stays the same.
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Marylyn
11 months ago
Wait, are you sure? I thought it would increment it!
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Tony
11 months ago
Totally agree, it doesn't change the original variable.
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Silvana
11 months ago
The output will be 1.
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Rosio
11 months ago
Wait, does the function modify the variable outside its scope? I'm confused if it affects the original value or not.
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Roselle
11 months ago
I practiced a question like this before, and I believe it also returned the original value. So, I'm leaning towards 1.
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Laurel
12 months ago
I'm not entirely sure, but I remember something similar where the original variable didn't change after the function call.
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Ludivina
12 months ago
I think the output will be 1 because the function increments a copy of the variable, not the original.
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Viva
12 months ago
This is a tricky one. I'm not entirely sure which option is the best fit, but I'll carefully consider each choice and try to eliminate the ones that don't seem to address the requirement.
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Mozell
12 months ago
I think the maximum tenant name length is 64 characters, but I'm not entirely sure. I need to double-check my notes.
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Therese
1 year ago
This reminds me of a practice question where we had to determine the best way to handle duplicate code. I think that creating a reusable service candidate could really streamline the process.
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Colette
1 year ago
Okay, let's think this through. The question mentions an "application-aware firewall", so that suggests it's looking at Layer 7 inspection. And the options talk about stateful vs. stateless inspection for TCP and UDP. I'm leaning towards option B, but I'll double-check my understanding.
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Sabina
1 year 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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Stefan
1 year ago
Jani: Exactly, it's important to remember how functions work in PHP.
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Meaghan
1 year ago
User 3: So the original value of $val remains unchanged.
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Jani
1 year ago
User 2: Yeah, the function just increments the value but doesn't return it.
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Daren
1 year ago
User 1: The output is 1.
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Tommy
1 year 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 year 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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Joanna
1 year ago
I got tricked by that as well. It's 1.
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Simona
1 year ago
Definitely a common mistake to make.
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Joanna
1 year ago
Yeah, I fell for that one too. The output is 1.
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Britt
1 year ago
I always forget about passing by reference in PHP.
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Simona
1 year ago
Yeah, I fell for that one too. It's tricky!
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Ashley
1 year ago
Actually, the output is 1 because the increment function is not returning the updated value.
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Yesenia
1 year ago
I think the output is 2 because the increment function should increase the value by 1.
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Colby
1 year 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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Raymon
1 year ago
That's why the output is still 1.
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Nana
1 year ago
So when you echo $val outside the function, it remains unchanged.
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Ruthann
1 year ago
The function is only changing the value locally within the function.
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Dusti
1 year ago
The function is incrementing the value, but it is not returning the updated value.
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Niesha
1 year ago
Got it, thanks for explaining!
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Shawna
1 year ago
Exactly, that's why the output is still 1.
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Dorothy
1 year ago
Oh, so the value of $val is not being changed outside of the function.
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Twana
1 year ago
The function is incrementing the value, but it's not returning the updated value.
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Ashley
1 year ago
The output is 1.
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Linette
1 year ago
Actually, the output is 1 because the function is not returning the incremented value.
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Georgeanna
1 year 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 year ago
Yes, it will be 2.
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Rachael
1 year ago
No, it will be 1.
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Mary
1 year ago
The output will be 2.
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Dylan
1 year ago
The output will be 1.
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Lura
1 year ago
I think the output will be 2 because the function is incrementing the value.
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Linette
1 year ago
The output is 1.
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