清理Genericons示例文件。

原型

_upgrade_422_remove_genericons()

源文件

路径:wp-admin/includes/update-core.php

<?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, '' );
		}
	}
}
...
?>

其他

英文文档:https://developer.wordpress.org/reference/functions/_upgrade_422_remove_genericons/