The php unlink function deletes a file program code.

In php, we can use the unlink function to delete a specified file. The following describes how to delete a specified file by the unlink function, for more information, see.

The unlink () function deletes a file.

If the call succeeds, true is returned. If the call fails, false is returned.

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<? Php Unlink ("test.txt "); ?>

Example

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<? Php $ File = "test.txt"; if (! Unlink ($ file )){ Echo ("Error deleting $ file");} else { Echo ("Deleted $ file ");} ?>

Add judgment

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<? Php $ File = "test.txt "; If (unlink ($ file )) { Echo "file $ file deleted successfully! "; } Else { Echo "file $ file deletion failed! "; } ?> </Body> </Html>

Output result:

The file test.txt is deleted successfully!

The following code checks whether a file exists:

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<? Php $ Myfile = "./test1.txt "; If (file_exists ($ myfile )){ $ Result = unlink ($ myfile ); Echo $ result; } ?>

The rmdir () function deletes a directory and returns TRUE if the directory is successfully deleted. Otherwise, FALSE is returned.

Syntax:

Bool rmdir (string dirname)

Example:

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<? Php $ Dirname = 'testdir '; If (rmdir ($ dirname )){ Echo "directory $ dirname deleted successfully "; } Else { Echo "directory $ dirname deletion failed "; } ?>