WP_Upgrader::flatten_dirlist( array $nested_files, string $path = '' )
Flatten the results of WP_Filesystem::dirlist() for iterating over.
Parameters
- $nested_files
-
(array) (Required) Array of files as returned by WP_Filesystem::dirlist()
- $path
-
(string) (Optional) Relative path to prepend to child nodes. Optional.
Default value: ''
Return
(array) $files A flattened array of the $nested_files specified.
Source
File: wp-admin/includes/class-wp-upgrader.php
protected function flatten_dirlist( $nested_files, $path = '' ) {
$files = array();
foreach ( $nested_files as $name => $details ) {
$files[ $path . $name ] = $details;
// Append children recursively
if ( ! empty( $details['files'] ) ) {
$children = $this->flatten_dirlist( $details['files'], $path . $name . '/' );
// Merge keeping possible numeric keys, which array_merge() will reindex from 0..n
$files = $files + $children;
}
}
return $files;
}
Changelog
| Version | Description |
|---|---|
| WP-4.9.0 | Introduced. |