Core Function
View Source on Trac ↗ wp_unique_filename()
wp_unique_filename( mixed $dir, mixed $filename, mixed $unique_filename_callback = null ) Gets a filename that is sanitized and unique for the given directory.
Parameters 2 required
| Name / Type | Description |
|---|---|
| $dir string | Directory. Required |
| $filename string | File name. Required |
| $unique_filename_callback callable | Callback. Default null. |
Return Value
(string)
New filename, if given wasn't unique.
Function Information
Since Version
2.5.0
Source File
wp-includes/functions.php
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