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Question
What is the difference between the functions unlink and unset?
 Question Submitted By :: Rajan Vardawaj
I also faced this Question!!     Rank Answer Posted By  
 
  Re: What is the difference between the functions unlink and unset?
Answer
# 1
unlink() is a function for file system handling. It will
simply delete the file in context. unset() is a function for
variable management. It will make a variable undefined.
 
Is This Answer Correct ?    3 Yes 0 No
Rajan Vardawaj
 
  Re: What is the difference between the functions unlink and unset?
Answer
# 2
The function unlink() is to remove a file, where as unset()
is used for destroying a variable that was declared earlier.
unset() empties a variable or contents of file.
 
Is This Answer Correct ?    0 Yes 0 No
Shilpa Yogesh Agrawal
 
 
 
  Re: What is the difference between the functions unlink and unset?
Answer
# 3
unlink() means that to delete the files 
and 
unset() destroys the specified variables.
 
Is This Answer Correct ?    0 Yes 0 No
Rajat Sharma
 
  Re: What is the difference between the functions unlink and unset?
Answer
# 4
unlink() means that to delete the files 
and 
unset() destroys the specified variables.
 
Is This Answer Correct ?    0 Yes 0 No
Rajat Sharma
 

 
 
 
Other PHP Interview Questions
 
  Question Asked @ Answers
 
1.Where are the cookies storing ? 2.What is the drawback of using cookies ? 3. If two site is having same cookie name and different values what will be the output if we echo the cookie name from those sites ? How can we solve this issue (How can we specify the domain name)? TCS5
what is the maximum size of databasi in mysql?  4
hey i m a trainee n jus wanted to ask that initially i was given the opportunity for .NET bt that project is abt to complete , nw i m asked to join a project of php on linux which is about to start , so wt say . is it a wise decision to join this project . will i be having job opportunities when i l complete my training after 4 months ? Plz suggest something ASAP .  1
HOW we can use css IPsoft3
What is fulltextsearch A1-Technology2
What is mem_cache ? How do you put a database query into that ? NIIT5
For printing out strings, there are echo, print and printf. Explain the differences.  3
List out the predefined classes in PHP?  7
How can we encrypt and decrypt a data present in a mysql table using mysql?  1
What is the difference between echo and print statement? Rushmore-Consultancy6
How to communicate with sockets in php?  1
What is the meaning of curl , which is used while connecting with pay pal? and how it works?  2
If the variable $a is equal to 5 and variable $b is equal to character a, what’s the value of $$b? Can anyone explain how's the value of $$b=100 ABC6
What are the different methods of passing data or information between two calls of a web page? What are the advantages/disadvantages of these methods? Patni2
where to change in php.ini file for file uploading?  1
This is regarding file uploading. 1. Who will be the owner of the uploaded file ? 2. What permission you will give for an uploaded file ? 3. What is mean by user, group and others and what kind of permission you will give for each user and explain the reason? IBM1
display selected value in dropdown list through javascript without page refresh  1
I have 10 elements of Array, how can i remove 5 array element, with single function.  11
How to upload a file (may be a .txt or a .doc file) from a php script/file?  1
How many ways we can give the output to a browser?  4
 
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