_upgrade_422_remove_genericons() │ WP 4.2.2

Cleans up Genericons example files.

Internal function — this function is designed to be used by the kernel itself. It is not recommended to use this function in your code.

No Hooks.

Returns

null. Nothing (null).

Usage

_upgrade_422_remove_genericons();

Notes

  • Global. String[]. $wp_theme_directories
  • Global. WP_Filesystem_Base. $wp_filesystem

Changelog

Since 4.2.2 Introduced.

_upgrade_422_remove_genericons() code WP 7.0

wp-admin/includes/update-core.php 
function _upgrade_422_remove_genericons() {
	global $wp_theme_directories, $wp_filesystem;

	// A list of the affected files using the filesystem absolute paths.
	$affected_files = array();

	// Themes.
	foreach ( $wp_theme_directories as $directory ) {
		$affected_theme_files = _upgrade_422_find_genericons_files_in_folder( $directory );
		$affected_files       = array_merge( $affected_files, $affected_theme_files );
	}

	// Plugins.
	$affected_plugin_files = _upgrade_422_find_genericons_files_in_folder( WP_PLUGIN_DIR );
	$affected_files        = array_merge( $affected_files, $affected_plugin_files );

	foreach ( $affected_files as $file ) {
		$gen_dir = $wp_filesystem->find_folder( trailingslashit( dirname( $file ) ) );

		if ( empty( $gen_dir ) ) {
			continue;
		}

		// The path when the file is accessed via WP_Filesystem may differ in the case of FTP.
		$remote_file = $gen_dir . basename( $file );

		if ( ! $wp_filesystem->exists( $remote_file ) ) {
			continue;
		}

		if ( ! $wp_filesystem->delete( $remote_file, false, 'f' ) ) {
			$wp_filesystem->put_contents( $remote_file, '' );
		}
	}
}