WP_Upgrader::flatten_dirlist() WordPress Method
The flatten_dirlist() method of the WP_Upgrader class is used to flatten an array of file paths into a single list of files. The method accepts an array of file paths as its only argument and returns a flattened array of file paths.
WP_Upgrader::flatten_dirlist( array $nested_files, string $path = '' ) #
Flatten the results of WP_Filesystem_Base::dirlist() for iterating over.
Parameters
- $nested_files
(array)(Required)Array of files as returned by WP_Filesystem_Base::dirlist().
- $path
(string)(Optional)Relative path to prepend to child nodes. Optional.
Default value: ''
Return
(array) A flattened array of the $nested_files specified.
Source
File: wp-admin/includes/class-wp-upgrader.php
357 358 359 360 361 362 363 364 365 366 367 368 369 370 371 372 373 | 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;} |
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Changelog
| Version | Description |
|---|---|
| 4.9.0 | Introduced. |