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Return relative path to an uploaded file.
The path is relative to the current upload dir.
<code style="color: #000000"><span style="color: #0000BB"><?php _wp_relative_upload_path</span><span style="color: #007700">( </span><span style="color: #0000BB">$path </span><span style="color: #007700">); </span><span style="color: #0000BB">?></span></code>
Since: 2.9
_wp_relative_upload_path() is located in wp-includes/post.php