PHP unlink Function Delete a file program code _php Tutorial

In PHP we want to delete a specified file we can use the unlink function to implement, below I give you detailed description of the unlink function to delete a specified file of the specific method, there is a need to know the friend can refer to.

The unlink () function deletes the file.

If successful, returns True, which returns false if it fails.

The code is as follows	Copy Code
Unlink ("test.txt"); ?>

Cases

The code is as follows	Copy Code
$file = "Test.txt", if (!unlink ($file)) { Echo ("Error deleting $file"); }else { Echo ("Deleted $file"); } ?>

Plus judgment.

The code is as follows	Copy Code
$file = "Test.txt"; if (unlink ($file)) { echo "File $file deleted successfully! "; } Else { echo "File $file Delete failed! "; } ?>

Output Result:

File Test.txt deleted successfully!

The following is added to determine whether the file exists:

The code is as follows	Copy Code
$myfile = "./test1.txt"; if (file_exists ($myfile)) { $result =unlink ($myfile); echo $result; } ?>

The rmdir () function deletes a directory, returns TRUE successfully, or returns FALSE.

Grammar:

BOOL RmDir (String dirname)

Example:

The code is as follows	Copy Code
$dirname = ' TestDir '; if (RmDir ($dirname)) { echo "Directory $dirname deleted successfully"; } else { echo "Directory $dirname delete failed"; } ?>

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