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The best way to understand what a hook does is to look at where it occurs in the source code.
do_action( "hook_name" )apply_filters( "hook_name", "what_to_filter" ).Remember, this hook may occur in more than one file. Moreover, the hook's context may change from version to version.
| Line | Code |
|---|---|
| 2191 | $perms = $stat['mode'] & 0007777; |
| 2192 | $perms = $perms & 0000666; |
| 2193 | @ chmod( $new_file, $perms ); |
| 2194 | clearstatcache(); |
| 2195 | |
| 2196 | // Compute the URL |
| 2197 | $url = $upload['url'] . "/$filename"; |
| 2198 | |
| 2199 | /** This filter is documented in wp-admin/includes/file.php */ |
| 2200 | return apply_filters( 'wp_handle_upload', array( 'file' => $new_file, 'url' => $url, 'type' => $wp_filetype['type'], 'error' => false ), 'sideload' ); |
| 2201 | } |
| 2202 | |
| 2203 | /** |
| 2204 | * Retrieve the file type based on the extension name. |
| 2205 | * |
| 2206 | * @since 2.5.0 |
| 2207 | * |
| 2208 | * @param string $ext The extension to search. |
| 2209 | * @return string|void The file type, example: audio, video, document, spreadsheet, etc. |