How does php determine whether a file was deleted successfully?

This article mainly explains "php how to judge whether the deletion of files is successful or not". Interested friends may wish to take a look at it. The method introduced in this paper is simple, fast and practical. Now let the editor take you to learn "how to judge whether the deletion of files is successful or not" by php.

In php, you can use the if statement and the unlink () function to determine whether the file was deleted successfully. The syntax "if (unlink ($file)) {echo 'file deletion succeeded!;} else {file deletion failed!;}".

Operating environment of this tutorial: windows7 system, PHP7.1 version, DELL G3 computer

In php, to delete a file, you need to use the unlink () function.

The unlink () function deletes the specified file, returns TRUE when the function executes successfully (deletes the file successfully), and returns FALSE if it fails.

To determine whether the file was deleted successfully, you can use the if statement. How the unlink () function returns TRUE outputs a prompt that the file was deleted successfully; if it returns FALSE, it outputs a prompt of failure to delete the file.

Implementation code:

Output result:

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