UNLINK(3) 1 UNLINK(3)unlink - Deletes a fileSYNOPSIS
bool unlink (string $filename, [resource $context])
DESCRIPTION
Deletes $filename. Similar to the Unix C unlink() function. An E_WARNING level error will be generated on failure.
PARAMETERS
o $filename
- Path to the file.
o $context
-
Note
Context support was added with PHP 5.0.0. For a description of contexts, refer to "Streams".
RETURN VALUES
Returns TRUE on success or FALSE on failure.
CHANGELOG
+--------+---------------------------------------------------+
|Version | |
| | |
| | Description |
| | |
+--------+---------------------------------------------------+
| 5.0.0 | |
| | |
| | As of PHP 5.0.0 unlink(3) can also be used with |
| | some URL wrappers. Refer to "Supported Protocols |
| | and Wrappers" for a listing of which wrappers |
| | support unlink(3). |
| | |
+--------+---------------------------------------------------+
EXAMPLES
Example #1
Basic unlink(3) usage
<?php
$fh = fopen('test.html', 'a');
fwrite($fh, '<h1>Hello world!</h1>');
fclose($fh);
unlink('test.html');
?>
SEE ALSO rmdir(3).
PHP Documentation Group UNLINK(3)
Check Out this Related Man Page
IS_EXECUTABLE(3) 1 IS_EXECUTABLE(3)is_executable - Tells whether the filename is executableSYNOPSIS
bool is_executable (string $filename)
DESCRIPTION
Tells whether the filename is executable.
PARAMETERS
o $filename
- Path to the file.
RETURN VALUES
Returns TRUE if the filename exists and is executable, or FALSE on error.
EXAMPLES
Example #1
is_executable(3) example
<?php
$file = '/home/vincent/somefile.sh';
if (is_executable($file)) {
echo $file.' is executable';
} else {
echo $file.' is not executable';
}
?>
ERRORS /EXCEPTIONS
Upon failure, an E_WARNING is emitted.
NOTES
Note
The results of this function are cached. See clearstatcache(3) for more details.
Tip
As of PHP 5.0.0, this function can also be used with some URL wrappers. Refer to "Supported Protocols and Wrappers" to determine
which wrappers support stat(3) family of functionality.
SEE ALSO is_file(3), is_link(3).
PHP Documentation Group IS_EXECUTABLE(3)
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Hi,
I saw this C program on Unix with
unlink("tmp.log");
unlink("time.log");
at the end of the file.
What's the purpose of doing this?
Thanks a lot! (1 Reply)
Hi,
I have a two lines of code both intend to perform the same task.
unlink $CtrFile;
system ("rm $CtrFile");
Both of which try to delete a certain file. However when I use the unlink command the file does not get deleted. When I use the "rm" system... (2 Replies)
I wish to unlink multiple links, but man pages shows
unlink - call the unlink function to remove the specified file
let's linked are in number sequence and I'm doing
unlink `echo {1..500}`
This fails..
Is their any other command to execute it or I need to call the unlink function that... (1 Reply)