What is the difference between the functions UNLINK
and UNSET?
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Answer / subrat
unlink: is used to delete a file
unset is used to destroy an eralier declared variable
| Is This Answer Correct ? | 31 Yes | 1 No |
Answer / ramse
Unset can be used for empty the value of variable or
contents of file but unlink destroy file.
| Is This Answer Correct ? | 12 Yes | 2 No |
Answer / kirti
Function Unlink is used for deleting a file.
Function Unset is used for variable as to unset the variable
and free d memory allocated.
| Is This Answer Correct ? | 6 Yes | 1 No |
Answer / adarsh katiyar
If you want delete some session data, you can use the
unset() or the session_destroy() function.
The unset() function is used to free the specified session
variable.
| Is This Answer Correct ? | 4 Yes | 1 No |
Answer / ramtej
UNLINK function is used to delete a file,
UNSET function is used to free the specified session variable
| Is This Answer Correct ? | 3 Yes | 0 No |
Answer / raju kumar
unlink used for delete file from directory and unset used
for destroy variable like session.
| Is This Answer Correct ? | 3 Yes | 1 No |
Answer / vineet sharma
unset() function is to destroy the temporary declared variable.
Unlink function is used to remove the link from the file
| Is This Answer Correct ? | 1 Yes | 0 No |
Answer / ramthiraviya
unlink():: is a function for file system handling.it will
simply file in context
unset():: is a function for variable management.it will make
a variable undefined
| Is This Answer Correct ? | 4 Yes | 5 No |
i start a new session with : session_start(); then i set some session variable like this : $_SESSION['name']=$_POST['name'];\ and some another variables. at bottom of page i set header to diffrent page : header('location: index.php'); exit(); now in new page (index.php i can't access to my session variables, like $_SESSION['name']) what's wrong ? thanks. here is my files : a.php ======================================== session_start(); require ('config.inc.php'); if(isset($_POST)) foreach($_POST as $v=>$k) { $items[$v]=$k; } $sql="SELECT * FROM members WHERE username='{$items['user']}' AND pass=MD5('{$items['Password']}') "; $res=mysql_query($sql); $row=mysql_fetch_assoc($res); if($row['username']) { $_SESSION['type']=$row['type']; $_SESSION['name']=$row['name']; $_SESSION['family']=$row['family']; $_SESSION['username']=$row['username']; $_SESSION['date']=$row['date']; } header('location: admin.php'); exit(); ====================================== admin.php ===================================== <?php session_start(); if(!isset($_SESSION['admin'])) { header('location: index.php'); exit(); } require ('config.inc.php'); ?> . . . =================================
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