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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 |
|---|---|
| 1322 | $files = array(); |
| 1323 | |
| 1324 | /** |
| 1325 | * Filters the array of excluded directories and files while scanning theme folder. |
| 1326 | * |
| 1327 | * @since 4.7.4 |
| 1328 | * |
| 1329 | * @param string[] $exclusions Array of excluded directories and files. |
| 1330 | */ |
| 1331 | $exclusions = (array) apply_filters( 'theme_scandir_exclusions', array( 'CVS', 'node_modules', 'vendor', 'bower_components' ) ); |
| 1332 | |
| 1333 | foreach ( $results as $result ) { |
| 1334 | if ( '.' == $result[0] || in_array( $result, $exclusions, true ) ) { |
| 1335 | continue; |
| 1336 | } |
| 1337 | if ( is_dir( $path . '/' . $result ) ) { |
| 1338 | if ( ! $depth ) { |
| 1339 | continue; |
| 1340 | } |