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 PHP interview questions  PHP Interview Questions (659)
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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 ?    47 Yes 2 No
Umapathi
 
Answer
# 2
unlink() is used to delete a file
unset() is used to delete a variable
 
Is This Answer Correct ?    44 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
 

 
 
 
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What is the salary for php developer(Fresher)?   1
1.What are the difference between echo , print , print_r ? else this 3 can we show output to a client in some other way? Leeway-Hertz 15
Is there any way to call a JAVASCRIPT function in PHP in AJAX   4
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Make a "dynamic drop down list" with using only PHP,HTML and MySQL..   2
what is interface in java.   4
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What are Sub routines?   1
what do you mean by webserver's document root?   3
Explain different types of errors in PHP (i.e. arguments in errorreporting function)? Microsoft 8
 
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