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 PHP interview questions  PHP Interview Questions (658)
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Question
What is the difference between the functions unlink and unset?
 Question Submitted By :: PHP
I also faced this Question!!     Answer Posted By  
 
Answer
# 1
unlink-deletes the file
unset-unsets the variable
 
Is This Answer Correct ?    46 Yes 2 No
Umapathi
 
Answer
# 2
unlink() is used to delete a file
unset() is used to delete a variable
 
Is This Answer Correct ?    43 Yes 5 No
Kiran
 
 
 
Answer
# 3
Unlink() is a function for Delete the file.

unset is a function for delete the variable.
 
Is This Answer Correct ?    8 Yes 2 No
Jeyaprabhu
 
Answer
# 4
UNLINK:unlink-deletes the file.

UNSET:Unset is function which is use the unset (destroys OR
delete) the
specified variable.
 
Is This Answer Correct ?    6 Yes 0 No
N.boopathi
 
Answer
# 5
unlink() is a function for file system handling.
It will simply delete the file in context.


Unset () is used to destroy a variable in PHP. In can be
used to remove a single variable, multiple variables, or an
element from an array. It is phrased as Unset ($remove).
Also Known As: Unset Variable, Destroy Variable
 
Is This Answer Correct ?    4 Yes 0 No
Prahallada
 
Answer
# 6
Unset is function which is use the unset (destroys) the
specified variable but unlink is also a function which is
used to deletes a file.
 
Is This Answer Correct ?    4 Yes 2 No
Manish Kumar
 
Answer
# 7
unlink is used to delete the file where as

unset is used to delete the variable and the content of file.
 
Is This Answer Correct ?    0 Yes 0 No
Pinky
 

 
 
 
Other PHP Interview Questions
 
  Question Asked @ Answers
 
How can you access a COM object from a PHP page?   1
how to maintained the session from one page to another page based on the url and then entered into the first page is logging into instead of secondpage it goes to the another url.ie first login session togoes to the one url and next login session it goes to another url how is it possible in php please give me answer in that question iCynergy 1
List out different arguments in PHP header function?   4
What does PHP stand for?   7
What is PEAR in PHP?   3
What is fulltextsearch A1-Technology 2
How can we know that a session is started or not? Rushmore-Consultancy 3
how we can crop an image and how we can display it.. Satyam 1
Specify pre-defined classes in php ?   1
HOW we can use css IPsoft 3
How to find second highest salary   9
This question is regarding version control. If two developers are committing the same php file at same time what will happen ? What error it will show (if any) ? TCS 2
 
For more PHP Interview Questions Click Here 
 
 
 
 
 


   
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