WP_Filesystem( array|false $args = false, string|false $context = false, bool $allow_relaxed_file_ownership = false )

Initialises and connects the ClassicPress Filesystem Abstraction classes.


Description

This function will include the chosen transport and attempt connecting.

Plugins may add extra transports, And force ClassicPress to use them by returning the filename via the ‘filesystem_method_file’ filter.


Parameters

$args

(Optional) Connection args, These are passed directly to the WP_Filesystem_*() classes.

Default value: false

$context

(Optional) Context for get_filesystem_method().

Default value: false

$allow_relaxed_file_ownership

(Optional) Whether to allow Group/World writable.

Default value: false


Return

(null|bool) false on failure, true on success.


Source

File: wp-admin/includes/file.php

function WP_Filesystem( $args = false, $context = false, $allow_relaxed_file_ownership = false ) {
	global $wp_filesystem;

	require_once(ABSPATH . 'wp-admin/includes/class-wp-filesystem-base.php');

	$method = get_filesystem_method( $args, $context, $allow_relaxed_file_ownership );

	if ( ! $method )
		return false;

	if ( ! class_exists( "WP_Filesystem_$method" ) ) {

		/**
		 * Filters the path for a specific filesystem method class file.
		 *
		 * @since WP-2.6.0
		 *
		 * @see get_filesystem_method()
		 *
		 * @param string $path   Path to the specific filesystem method class file.
		 * @param string $method The filesystem method to use.
		 */
		$abstraction_file = apply_filters( 'filesystem_method_file', ABSPATH . 'wp-admin/includes/class-wp-filesystem-' . $method . '.php', $method );

		if ( ! file_exists($abstraction_file) )
			return;

		require_once($abstraction_file);
	}
	$method = "WP_Filesystem_$method";

	$wp_filesystem = new $method($args);

	//Define the timeouts for the connections. Only available after the construct is called to allow for per-transport overriding of the default.
	if ( ! defined('FS_CONNECT_TIMEOUT') )
		define('FS_CONNECT_TIMEOUT', 30);
	if ( ! defined('FS_TIMEOUT') )
		define('FS_TIMEOUT', 30);

	if ( is_wp_error($wp_filesystem->errors) && $wp_filesystem->errors->get_error_code() )
		return false;

	if ( !$wp_filesystem->connect() )
		return false; //There was an error connecting to the server.

	// Set the permission constants if not already set.
	if ( ! defined('FS_CHMOD_DIR') )
		define('FS_CHMOD_DIR', ( fileperms( ABSPATH ) & 0777 | 0755 ) );
	if ( ! defined('FS_CHMOD_FILE') )
		define('FS_CHMOD_FILE', ( fileperms( ABSPATH . 'index.php' ) & 0777 | 0644 ) );

	return true;
}


Changelog

Changelog
Version Description
WP-2.5.0 Introduced.