FM / includes

/var/www/vhosts/ihelp.ro/ajutam.ro/wp-admin/includes/

/var/www/vhosts/ihelp.ro/ajutam.ro/wp-admin/includes

Name	Size	Mode	Actions
admin-filters.php	8034	0644	edit dl rm
admin.php	3628	0644	edit dl rm
ajax-actions.php	151895	0644	edit dl rm
bookmark.php	11725	0644	edit dl rm
class-automatic-upgrader-skin.php	3663	0644	edit dl rm
class-bulk-plugin-upgrader-skin.php	2590	0644	edit dl rm
class-bulk-theme-upgrader-skin.php	2660	0644	edit dl rm
class-bulk-upgrader-skin.php	6753	0644	edit dl rm
class-core-upgrader.php	15191	0644	edit dl rm
class-custom-background.php	21685	0644	edit dl rm
class-custom-image-header.php	49287	0644	edit dl rm
class-file-upload-upgrader.php	4163	0644	edit dl rm
class-ftp-pure.php	5426	0644	edit dl rm
class-ftp-sockets.php	8479	0644	edit dl rm
class-ftp.php	27370	0644	edit dl rm
class-language-pack-upgrader-skin.php	2870	0644	edit dl rm
class-language-pack-upgrader.php	15561	0644	edit dl rm
class-pclzip.php	196695	0644	edit dl rm
class-plugin-installer-skin.php	12053	0644	edit dl rm
class-plugin-upgrader-skin.php	3278	0644	edit dl rm
class-plugin-upgrader.php	23444	0644	edit dl rm
class-theme-installer-skin.php	13078	0644	edit dl rm
class-theme-upgrader-skin.php	4176	0644	edit dl rm
class-theme-upgrader.php	26904	0644	edit dl rm
class-walker-category-checklist.php	5091	0644	edit dl rm
class-walker-nav-menu-checklist.php	5707	0644	edit dl rm
class-walker-nav-menu-edit.php	14263	0644	edit dl rm
class-wp-ajax-upgrader-skin.php	4193	0644	edit dl rm
class-wp-application-passwords-list-table.php	6949	0644	edit dl rm
class-wp-automatic-updater.php	61902	0644	edit dl rm
class-wp-comments-list-table.php	33179	0644	edit dl rm
class-wp-community-events.php	18681	0644	edit dl rm
class-wp-debug-data.php	67592	0644	edit dl rm
class-wp-filesystem-base.php	24410	0644	edit dl rm
class-wp-filesystem-direct.php	18143	0644	edit dl rm
class-wp-filesystem-ftpext.php	23255	0644	edit dl rm
class-wp-filesystem-ftpsockets.php	18479	0644	edit dl rm
class-wp-filesystem-ssh2.php	23310	0644	edit dl rm
class-wp-importer.php	7512	0644	edit dl rm
class-wp-internal-pointers.php	4616	0644	edit dl rm
class-wp-links-list-table.php	9241	0644	edit dl rm
class-wp-list-table-compat.php	1497	0644	edit dl rm
class-wp-list-table.php	53004	0644	edit dl rm
class-wp-media-list-table.php	25899	0644	edit dl rm
class-wp-ms-sites-list-table.php	22133	0644	edit dl rm
class-wp-ms-themes-list-table.php	28438	0644	edit dl rm
class-wp-ms-users-list-table.php	15719	0644	edit dl rm
class-wp-plugin-install-list-table.php	25127	0644	edit dl rm
class-wp-plugins-list-table.php	57794	0644	edit dl rm
class-wp-post-comments-list-table.php	1453	0644	edit dl rm
class-wp-posts-list-table.php	65190	0644	edit dl rm
class-wp-privacy-data-export-requests-list-table.php	5563	0644	edit dl rm
class-wp-privacy-data-removal-requests-list-table.php	5715	0644	edit dl rm
class-wp-privacy-policy-content.php	32665	0644	edit dl rm
class-wp-privacy-requests-table.php	14791	0644	edit dl rm
class-wp-screen.php	37348	0644	edit dl rm
class-wp-site-health-auto-updates.php	14337	0644	edit dl rm
class-wp-site-health.php	124812	0644	edit dl rm
class-wp-site-icon.php	6414	0644	edit dl rm
class-wp-terms-list-table.php	21232	0644	edit dl rm
class-wp-theme-install-list-table.php	15599	0644	edit dl rm
class-wp-themes-list-table.php	10388	0644	edit dl rm
class-wp-upgrader-skin.php	7110	0644	edit dl rm
class-wp-upgrader-skins.php	1477	0644	edit dl rm
class-wp-upgrader.php	47977	0644	edit dl rm
class-wp-users-list-table.php	19058	0644	edit dl rm
comment.php	6231	0644	edit dl rm
continents-cities.php	20540	0644	edit dl rm
credits.php	5870	0644	edit dl rm
dashboard.php	69817	0644	edit dl rm
deprecated.php	41776	0644	edit dl rm
edit-tag-messages.php	1478	0644	edit dl rm
export.php	25862	0644	edit dl rm
file.php	98244	0644	edit dl rm
image-edit.php	44157	0644	edit dl rm
image.php	42736	0644	edit dl rm
import.php	6617	0644	edit dl rm
list-table.php	3802	0644	edit dl rm
media.php	119100	0644	edit dl rm
menu.php	9618	0644	edit dl rm
meta-boxes.php	65886	0644	edit dl rm
misc.php	45804	0644	edit dl rm
ms-admin-filters.php	1296	0644	edit dl rm
ms-deprecated.php	3770	0644	edit dl rm
ms.php	34337	0644	edit dl rm
nav-menu.php	50017	0644	edit dl rm
network.php	26983	0644	edit dl rm
noop.php	1148	0644	edit dl rm
options.php	4290	0644	edit dl rm
plugin-install.php	39110	0644	edit dl rm
plugin.php	93519	0644	edit dl rm
post.php	82324	0644	edit dl rm
privacy-tools.php	33457	0644	edit dl rm
revision.php	16569	0644	edit dl rm
schema.php	45529	0644	edit dl rm
screen.php	6378	0644	edit dl rm
taxonomy.php	8423	0644	edit dl rm
template.php	99287	0644	edit dl rm
theme-install.php	6990	0644	edit dl rm
theme.php	47742	0644	edit dl rm
translation-install.php	11075	0644	edit dl rm
update-core.php	86142	0644	edit dl rm
update.php	34437	0644	edit dl rm
upgrade.php	116018	0644	edit dl rm
user.php	23758	0644	edit dl rm
widgets.php	10912	0644	edit dl rm

Edit: /var/www/vhosts/ihelp.ro/ajutam.ro/wp-admin/includes/class-wp-filesystem-base.php (24410B)

<?php
/**
 * Base WordPress Filesystem
 *
 * @package WordPress
 * @subpackage Filesystem
 */

/**
 * Base WordPress Filesystem class which Filesystem implementations extend.
 *
 * @since 2.5.0
 */
#[AllowDynamicProperties]
class WP_Filesystem_Base {

/**
	 * Whether to display debug data for the connection.
	 *
	 * @since 2.5.0
	 * @var bool
	 */
	public $verbose = false;

/**
	 * Cached list of local filepaths to mapped remote filepaths.
	 *
	 * @since 2.7.0
	 * @var array
	 */
	public $cache = array();

/**
	 * The Access method of the current connection, Set automatically.
	 *
	 * @since 2.5.0
	 * @var string
	 */
	public $method = '';

/**
	 * @var WP_Error
	 */
	public $errors = null;

/**
	 */
	public $options = array();

/**
	 * Returns the path on the remote filesystem of ABSPATH.
	 *
	 * @since 2.7.0
	 *
	 * @return string The location of the remote path.
	 */
	public function abspath() {
		$folder = $this->find_folder( ABSPATH );

/*
		 * Perhaps the FTP folder is rooted at the WordPress install.
		 * Check for wp-includes folder in root. Could have some false positives, but rare.
		 */
		if ( ! $folder && $this->is_dir( '/' . WPINC ) ) {
			$folder = '/';
		}

return $folder;
	}

/**
	 * Returns the path on the remote filesystem of WP_CONTENT_DIR.
	 *
	 * @since 2.7.0
	 *
	 * @return string The location of the remote path.
	 */
	public function wp_content_dir() {
		return $this->find_folder( WP_CONTENT_DIR );
	}

/**
	 * Returns the path on the remote filesystem of WP_PLUGIN_DIR.
	 *
	 * @since 2.7.0
	 *
	 * @return string The location of the remote path.
	 */
	public function wp_plugins_dir() {
		return $this->find_folder( WP_PLUGIN_DIR );
	}

/**
	 * Returns the path on the remote filesystem of the Themes Directory.
	 *
	 * @since 2.7.0
	 *
	 * @param string|false $theme Optional. The theme stylesheet or template for the directory.
	 *                            Default false.
	 * @return string The location of the remote path.
	 */
	public function wp_themes_dir( $theme = false ) {
		$theme_root = get_theme_root( $theme );

// Account for relative theme roots.
		if ( '/themes' === $theme_root || ! is_dir( $theme_root ) ) {
			$theme_root = WP_CONTENT_DIR . $theme_root;
		}

return $this->find_folder( $theme_root );
	}

/**
	 * Returns the path on the remote filesystem of WP_LANG_DIR.
	 *
	 * @since 3.2.0
	 *
	 * @return string The location of the remote path.
	 */
	public function wp_lang_dir() {
		return $this->find_folder( WP_LANG_DIR );
	}

/**
	 * Locates a folder on the remote filesystem.
	 *
	 * @since 2.5.0
	 * @deprecated 2.7.0 use WP_Filesystem_Base::abspath() or WP_Filesystem_Base::wp_*_dir() instead.
	 * @see WP_Filesystem_Base::abspath()
	 * @see WP_Filesystem_Base::wp_content_dir()
	 * @see WP_Filesystem_Base::wp_plugins_dir()
	 * @see WP_Filesystem_Base::wp_themes_dir()
	 * @see WP_Filesystem_Base::wp_lang_dir()
	 *
	 * @param string $base    Optional. The folder to start searching from. Default '.'.
	 * @param bool   $verbose Optional. True to display debug information. Default false.
	 * @return string The location of the remote path.
	 */
	public function find_base_dir( $base = '.', $verbose = false ) {
		_deprecated_function( __FUNCTION__, '2.7.0', 'WP_Filesystem_Base::abspath() or WP_Filesystem_Base::wp_*_dir()' );
		$this->verbose = $verbose;
		return $this->abspath();
	}

/**
	 * Locates a folder on the remote filesystem.
	 *
	 * @since 2.5.0
	 * @deprecated 2.7.0 use WP_Filesystem_Base::abspath() or WP_Filesystem_Base::wp_*_dir() methods instead.
	 * @see WP_Filesystem_Base::abspath()
	 * @see WP_Filesystem_Base::wp_content_dir()
	 * @see WP_Filesystem_Base::wp_plugins_dir()
	 * @see WP_Filesystem_Base::wp_themes_dir()
	 * @see WP_Filesystem_Base::wp_lang_dir()
	 *
	 * @param string $base    Optional. The folder to start searching from. Default '.'.
	 * @param bool   $verbose Optional. True to display debug information. Default false.
	 * @return string The location of the remote path.
	 */
	public function get_base_dir( $base = '.', $verbose = false ) {
		_deprecated_function( __FUNCTION__, '2.7.0', 'WP_Filesystem_Base::abspath() or WP_Filesystem_Base::wp_*_dir()' );
		$this->verbose = $verbose;
		return $this->abspath();
	}

/**
	 * Locates a folder on the remote filesystem.
	 *
	 * Assumes that on Windows systems, Stripping off the Drive
	 * letter is OK Sanitizes \\ to / in Windows filepaths.
	 *
	 * @since 2.7.0
	 *
	 * @param string $folder the folder to locate.
	 * @return string|false The location of the remote path, false on failure.
	 */
	public function find_folder( $folder ) {
		if ( isset( $this->cache[ $folder ] ) ) {
			return $this->cache[ $folder ];
		}

if ( stripos( $this->method, 'ftp' ) !== false ) {
			$constant_overrides = array(
				'FTP_BASE'        => ABSPATH,
				'FTP_CONTENT_DIR' => WP_CONTENT_DIR,
				'FTP_PLUGIN_DIR'  => WP_PLUGIN_DIR,
				'FTP_LANG_DIR'    => WP_LANG_DIR,
			);

// Direct matches ( folder = CONSTANT/ ).
			foreach ( $constant_overrides as $constant => $dir ) {
				if ( ! defined( $constant ) ) {
					continue;
				}

if ( $folder === $dir ) {
					return trailingslashit( constant( $constant ) );
				}
			}

// Prefix matches ( folder = CONSTANT/subdir ),
			foreach ( $constant_overrides as $constant => $dir ) {
				if ( ! defined( $constant ) ) {
					continue;
				}

if ( 0 === stripos( $folder, $dir ) ) { // $folder starts with $dir.
					$potential_folder = preg_replace( '#^' . preg_quote( $dir, '#' ) . '/#i', trailingslashit( constant( $constant ) ), $folder );
					$potential_folder = trailingslashit( $potential_folder );

if ( $this->is_dir( $potential_folder ) ) {
						$this->cache[ $folder ] = $potential_folder;

return $potential_folder;
					}
				}
			}
		} elseif ( 'direct' === $this->method ) {
			$folder = str_replace( '\\', '/', $folder ); // Windows path sanitization.

return trailingslashit( $folder );
		}

$folder = preg_replace( '|^([a-z]{1}):|i', '', $folder ); // Strip out Windows drive letter if it's there.
		$folder = str_replace( '\\', '/', $folder ); // Windows path sanitization.

if ( isset( $this->cache[ $folder ] ) ) {
			return $this->cache[ $folder ];
		}

if ( $this->exists( $folder ) ) { // Folder exists at that absolute path.
			$folder                 = trailingslashit( $folder );
			$this->cache[ $folder ] = $folder;

return $folder;
		}

$return = $this->search_for_folder( $folder );

if ( $return ) {
			$this->cache[ $folder ] = $return;
		}

return $return;
	}

/**
	 * Locates a folder on the remote filesystem.
	 *
	 * Expects Windows sanitized path.
	 *
	 * @since 2.7.0
	 *
	 * @param string $folder The folder to locate.
	 * @param string $base   The folder to start searching from.
	 * @param bool   $loop   If the function has recursed. Internal use only.
	 * @return string|false The location of the remote path, false to cease looping.
	 */
	public function search_for_folder( $folder, $base = '.', $loop = false ) {
		if ( empty( $base ) || '.' === $base ) {
			$base = trailingslashit( $this->cwd() );
		}

$folder = untrailingslashit( $folder );

if ( $this->verbose ) {
			/* translators: 1: Folder to locate, 2: Folder to start searching from. */
			printf( "\n" . __( 'Looking for %1$s in %2$s' ) . "<br />\n", $folder, $base );
		}

$folder_parts     = explode( '/', $folder );
		$folder_part_keys = array_keys( $folder_parts );
		$last_index       = array_pop( $folder_part_keys );
		$last_path        = $folder_parts[ $last_index ];

$files = $this->dirlist( $base );

foreach ( $folder_parts as $index => $key ) {
			if ( $index === $last_index ) {
				continue; // We want this to be caught by the next code block.
			}

/*
			 * Working from /home/ to /user/ to /wordpress/ see if that file exists within
			 * the current folder, If it's found, change into it and follow through looking
			 * for it. If it can't find WordPress down that route, it'll continue onto the next
			 * folder level, and see if that matches, and so on. If it reaches the end, and still
			 * can't find it, it'll return false for the entire function.
			 */
			if ( isset( $files[ $key ] ) ) {

// Let's try that folder:
				$newdir = trailingslashit( path_join( $base, $key ) );

if ( $this->verbose ) {
					/* translators: %s: Directory name. */
					printf( "\n" . __( 'Changing to %s' ) . "<br />\n", $newdir );
				}

// Only search for the remaining path tokens in the directory, not the full path again.
				$newfolder = implode( '/', array_slice( $folder_parts, $index + 1 ) );
				$ret       = $this->search_for_folder( $newfolder, $newdir, $loop );

if ( $ret ) {
					return $ret;
				}
			}
		}

/*
		 * Only check this as a last resort, to prevent locating the incorrect install.
		 * All above procedures will fail quickly if this is the right branch to take.
		 */
		if ( isset( $files[ $last_path ] ) ) {
			if ( $this->verbose ) {
				/* translators: %s: Directory name. */
				printf( "\n" . __( 'Found %s' ) . "<br />\n", $base . $last_path );
			}

return trailingslashit( $base . $last_path );
		}

/*
		 * Prevent this function from looping again.
		 * No need to proceed if we've just searched in `/`.
		 */
		if ( $loop || '/' === $base ) {
			return false;
		}

/*
		 * As an extra last resort, Change back to / if the folder wasn't found.
		 * This comes into effect when the CWD is /home/user/ but WP is at /var/www/....
		 */
		return $this->search_for_folder( $folder, '/', true );
	}

/**
	 * Returns the *nix-style file permissions for a file.
	 *
	 * From the PHP documentation page for fileperms().
	 *
	 * @link https://www.php.net/manual/en/function.fileperms.php
	 *
	 * @since 2.5.0
	 *
	 * @param string $file String filename.
	 * @return string The *nix-style representation of permissions.
	 */
	public function gethchmod( $file ) {
		$perms = intval( $this->getchmod( $file ), 8 );

if ( ( $perms & 0xC000 ) === 0xC000 ) { // Socket.
			$info = 's';
		} elseif ( ( $perms & 0xA000 ) === 0xA000 ) { // Symbolic Link.
			$info = 'l';
		} elseif ( ( $perms & 0x8000 ) === 0x8000 ) { // Regular.
			$info = '-';
		} elseif ( ( $perms & 0x6000 ) === 0x6000 ) { // Block special.
			$info = 'b';
		} elseif ( ( $perms & 0x4000 ) === 0x4000 ) { // Directory.
			$info = 'd';
		} elseif ( ( $perms & 0x2000 ) === 0x2000 ) { // Character special.
			$info = 'c';
		} elseif ( ( $perms & 0x1000 ) === 0x1000 ) { // FIFO pipe.
			$info = 'p';
		} else { // Unknown.
			$info = 'u';
		}

// Owner.
		$info .= ( ( $perms & 0x0100 ) ? 'r' : '-' );
		$info .= ( ( $perms & 0x0080 ) ? 'w' : '-' );
		$info .= ( ( $perms & 0x0040 ) ?
					( ( $perms & 0x0800 ) ? 's' : 'x' ) :
					( ( $perms & 0x0800 ) ? 'S' : '-' ) );

// Group.
		$info .= ( ( $perms & 0x0020 ) ? 'r' : '-' );
		$info .= ( ( $perms & 0x0010 ) ? 'w' : '-' );
		$info .= ( ( $perms & 0x0008 ) ?
					( ( $perms & 0x0400 ) ? 's' : 'x' ) :
					( ( $perms & 0x0400 ) ? 'S' : '-' ) );

// World.
		$info .= ( ( $perms & 0x0004 ) ? 'r' : '-' );
		$info .= ( ( $perms & 0x0002 ) ? 'w' : '-' );
		$info .= ( ( $perms & 0x0001 ) ?
					( ( $perms & 0x0200 ) ? 't' : 'x' ) :
					( ( $perms & 0x0200 ) ? 'T' : '-' ) );

return $info;
	}

/**
	 * Gets the permissions of the specified file or filepath in their octal format.
	 *
	 * @since 2.5.0
	 *
	 * @param string $file Path to the file.
	 * @return string Mode of the file (the last 3 digits).
	 */
	public function getchmod( $file ) {
		return '777';
	}

/**
	 * Converts *nix-style file permissions to an octal number.
	 *
	 * Converts '-rw-r--r--' to 0644
	 * From "info at rvgate dot nl"'s comment on the PHP documentation for chmod()
	 *
	 * @link https://www.php.net/manual/en/function.chmod.php#49614
	 *
	 * @since 2.5.0
	 *
	 * @param string $mode string The *nix-style file permissions.
	 * @return string Octal representation of permissions.
	 */
	public function getnumchmodfromh( $mode ) {
		$realmode = '';
		$legal    = array( '', 'w', 'r', 'x', '-' );
		$attarray = preg_split( '//', $mode );

for ( $i = 0, $c = count( $attarray ); $i < $c; $i++ ) {
			$key = array_search( $attarray[ $i ], $legal, true );

if ( $key ) {
				$realmode .= $legal[ $key ];
			}
		}

$mode  = str_pad( $realmode, 10, '-', STR_PAD_LEFT );
		$trans = array(
			'-' => '0',
			'r' => '4',
			'w' => '2',
			'x' => '1',
		);
		$mode  = strtr( $mode, $trans );

$newmode  = $mode[0];
		$newmode .= $mode[1] + $mode[2] + $mode[3];
		$newmode .= $mode[4] + $mode[5] + $mode[6];
		$newmode .= $mode[7] + $mode[8] + $mode[9];

return $newmode;
	}

/**
	 * Determines if the string provided contains binary characters.
	 *
	 * @since 2.7.0
	 *
	 * @param string $text String to test against.
	 * @return bool True if string is binary, false otherwise.
	 */
	public function is_binary( $text ) {
		return (bool) preg_match( '|[^\x20-\x7E]|', $text ); // chr(32)..chr(127)
	}

/**
	 * Changes the owner of a file or directory.
	 *
	 * Default behavior is to do nothing, override this in your subclass, if desired.
	 *
	 * @since 2.5.0
	 *
	 * @param string     $file      Path to the file or directory.
	 * @param string|int $owner     A user name or number.
	 * @param bool       $recursive Optional. If set to true, changes file owner recursively.
	 *                              Default false.
	 * @return bool True on success, false on failure.
	 */
	public function chown( $file, $owner, $recursive = false ) {
		return false;
	}

/**
	 * Connects filesystem.
	 *
	 * @since 2.5.0
	 * @abstract
	 *
	 * @return bool True on success, false on failure (always true for WP_Filesystem_Direct).
	 */
	public function connect() {
		return true;
	}

/**
	 * Reads entire file into a string.
	 *
	 * @since 2.5.0
	 * @abstract
	 *
	 * @param string $file Name of the file to read.
	 * @return string|false Read data on success, false on failure.
	 */
	public function get_contents( $file ) {
		return false;
	}

/**
	 * Reads entire file into an array.
	 *
	 * @since 2.5.0
	 * @abstract
	 *
	 * @param string $file Path to the file.
	 * @return array|false File contents in an array on success, false on failure.
	 */
	public function get_contents_array( $file ) {
		return false;
	}

/**
	 * Writes a string to a file.
	 *
	 * @since 2.5.0
	 * @abstract
	 *
	 * @param string    $file     Remote path to the file where to write the data.
	 * @param string    $contents The data to write.
	 * @param int|false $mode     Optional. The file permissions as octal number, usually 0644.
	 *                            Default false.
	 * @return bool True on success, false on failure.
	 */
	public function put_contents( $file, $contents, $mode = false ) {
		return false;
	}

/**
	 * Gets the current working directory.
	 *
	 * @since 2.5.0
	 * @abstract
	 *
	 * @return string|false The current working directory on success, false on failure.
	 */
	public function cwd() {
		return false;
	}

/**
	 * Changes current directory.
	 *
	 * @since 2.5.0
	 * @abstract
	 *
	 * @param string $dir The new current directory.
	 * @return bool True on success, false on failure.
	 */
	public function chdir( $dir ) {
		return false;
	}

/**
	 * Changes the file group.
	 *
	 * @since 2.5.0
	 * @abstract
	 *
	 * @param string     $file      Path to the file.
	 * @param string|int $group     A group name or number.
	 * @param bool       $recursive Optional. If set to true, changes file group recursively.
	 *                              Default false.
	 * @return bool True on success, false on failure.
	 */
	public function chgrp( $file, $group, $recursive = false ) {
		return false;
	}

/**
	 * Changes filesystem permissions.
	 *
	 * @since 2.5.0
	 * @abstract
	 *
	 * @param string    $file      Path to the file.
	 * @param int|false $mode      Optional. The permissions as octal number, usually 0644 for files,
	 *                             0755 for directories. Default false.
	 * @param bool      $recursive Optional. If set to true, changes file permissions recursively.
	 *                             Default false.
	 * @return bool True on success, false on failure.
	 */
	public function chmod( $file, $mode = false, $recursive = false ) {
		return false;
	}

/**
	 * Gets the file owner.
	 *
	 * @since 2.5.0
	 * @abstract
	 *
	 * @param string $file Path to the file.
	 * @return string|false Username of the owner on success, false on failure.
	 */
	public function owner( $file ) {
		return false;
	}

/**
	 * Gets the file's group.
	 *
	 * @since 2.5.0
	 * @abstract
	 *
	 * @param string $file Path to the file.
	 * @return string|false The group on success, false on failure.
	 */
	public function group( $file ) {
		return false;
	}

/**
	 * Copies a file.
	 *
	 * @since 2.5.0
	 * @abstract
	 *
	 * @param string    $source      Path to the source file.
	 * @param string    $destination Path to the destination file.
	 * @param bool      $overwrite   Optional. Whether to overwrite the destination file if it exists.
	 *                               Default false.
	 * @param int|false $mode        Optional. The permissions as octal number, usually 0644 for files,
	 *                               0755 for dirs. Default false.
	 * @return bool True on success, false on failure.
	 */
	public function copy( $source, $destination, $overwrite = false, $mode = false ) {
		return false;
	}

/**
	 * Moves a file.
	 *
	 * @since 2.5.0
	 * @abstract
	 *
	 * @param string $source      Path to the source file.
	 * @param string $destination Path to the destination file.
	 * @param bool   $overwrite   Optional. Whether to overwrite the destination file if it exists.
	 *                            Default false.
	 * @return bool True on success, false on failure.
	 */
	public function move( $source, $destination, $overwrite = false ) {
		return false;
	}

/**
	 * Deletes a file or directory.
	 *
	 * @since 2.5.0
	 * @abstract
	 *
	 * @param string       $file      Path to the file or directory.
	 * @param bool         $recursive Optional. If set to true, deletes files and folders recursively.
	 *                                Default false.
	 * @param string|false $type      Type of resource. 'f' for file, 'd' for directory.
	 *                                Default false.
	 * @return bool True on success, false on failure.
	 */
	public function delete( $file, $recursive = false, $type = false ) {
		return false;
	}

/**
	 * Checks if a file or directory exists.
	 *
	 * @since 2.5.0
	 * @abstract
	 *
	 * @param string $path Path to file or directory.
	 * @return bool Whether $path exists or not.
	 */
	public function exists( $path ) {
		return false;
	}

/**
	 * Checks if resource is a file.
	 *
	 * @since 2.5.0
	 * @abstract
	 *
	 * @param string $file File path.
	 * @return bool Whether $file is a file.
	 */
	public function is_file( $file ) {
		return false;
	}

/**
	 * Checks if resource is a directory.
	 *
	 * @since 2.5.0
	 * @abstract
	 *
	 * @param string $path Directory path.
	 * @return bool Whether $path is a directory.
	 */
	public function is_dir( $path ) {
		return false;
	}

/**
	 * Checks if a file is readable.
	 *
	 * @since 2.5.0
	 * @abstract
	 *
	 * @param string $file Path to file.
	 * @return bool Whether $file is readable.
	 */
	public function is_readable( $file ) {
		return false;
	}

/**
	 * Checks if a file or directory is writable.
	 *
	 * @since 2.5.0
	 * @abstract
	 *
	 * @param string $path Path to file or directory.
	 * @return bool Whether $path is writable.
	 */
	public function is_writable( $path ) {
		return false;
	}

/**
	 * Gets the file's last access time.
	 *
	 * @since 2.5.0
	 * @abstract
	 *
	 * @param string $file Path to file.
	 * @return int|false Unix timestamp representing last access time, false on failure.
	 */
	public function atime( $file ) {
		return false;
	}

/**
	 * Gets the file modification time.
	 *
	 * @since 2.5.0
	 * @abstract
	 *
	 * @param string $file Path to file.
	 * @return int|false Unix timestamp representing modification time, false on failure.
	 */
	public function mtime( $file ) {
		return false;
	}

/**
	 * Gets the file size (in bytes).
	 *
	 * @since 2.5.0
	 * @abstract
	 *
	 * @param string $file Path to file.
	 * @return int|false Size of the file in bytes on success, false on failure.
	 */
	public function size( $file ) {
		return false;
	}

/**
	 * Sets the access and modification times of a file.
	 *
	 * Note: If $file doesn't exist, it will be created.
	 *
	 * @since 2.5.0
	 * @abstract
	 *
	 * @param string $file  Path to file.
	 * @param int    $time  Optional. Modified time to set for file.
	 *                      Default 0.
	 * @param int    $atime Optional. Access time to set for file.
	 *                      Default 0.
	 * @return bool True on success, false on failure.
	 */
	public function touch( $file, $time = 0, $atime = 0 ) {
		return false;
	}

/**
	 * Creates a directory.
	 *
	 * @since 2.5.0
	 * @abstract
	 *
	 * @param string           $path  Path for new directory.
	 * @param int|false        $chmod Optional. The permissions as octal number (or false to skip chmod).
	 *                                Default false.
	 * @param string|int|false $chown Optional. A user name or number (or false to skip chown).
	 *                                Default false.
	 * @param string|int|false $chgrp Optional. A group name or number (or false to skip chgrp).
	 *                                Default false.
	 * @return bool True on success, false on failure.
	 */
	public function mkdir( $path, $chmod = false, $chown = false, $chgrp = false ) {
		return false;
	}

/**
	 * Deletes a directory.
	 *
	 * @since 2.5.0
	 * @abstract
	 *
	 * @param string $path      Path to directory.
	 * @param bool   $recursive Optional. Whether to recursively remove files/directories.
	 *                          Default false.
	 * @return bool True on success, false on failure.
	 */
	public function rmdir( $path, $recursive = false ) {
		return false;
	}

/**
	 * Gets details for files in a directory or a specific file.
	 *
	 * @since 2.5.0
	 * @abstract
	 *
	 * @param string $path           Path to directory or file.
	 * @param bool   $include_hidden Optional. Whether to include details of hidden ("." prefixed) files.
	 *                               Default true.
	 * @param bool   $recursive      Optional. Whether to recursively include file details in nested directories.
	 *                               Default false.
	 * @return array|false {
	 *     Array of arrays containing file information. False if unable to list directory contents.
	 *
	 *     @type array ...$0 {
	 *         Array of file information. Note that some elements may not be available on all filesystems.
	 *
	 *         @type string           $name        Name of the file or directory.
	 *         @type string           $perms       *nix representation of permissions.
	 *         @type string           $permsn      Octal representation of permissions.
	 *         @type int|string|false $number      File number. May be a numeric string. False if not available.
	 *         @type string|false     $owner       Owner name or ID, or false if not available.
	 *         @type string|false     $group       File permissions group, or false if not available.
	 *         @type int|string|false $size        Size of file in bytes. May be a numeric string.
	 *                                             False if not available.
	 *         @type int|string|false $lastmodunix Last modified unix timestamp. May be a numeric string.
	 *                                             False if not available.
	 *         @type string|false     $lastmod     Last modified month (3 letters) and day (without leading 0), or
	 *                                             false if not available.
	 *         @type string|false     $time        Last modified time, or false if not available.
	 *         @type string           $type        Type of resource. 'f' for file, 'd' for directory, 'l' for link.
	 *         @type array|false      $files       If a directory and `$recursive` is true, contains another array of
	 *                                             files. False if unable to list directory contents.
	 *     }
	 * }
	 */
	public function dirlist( $path, $include_hidden = true, $recursive = false ) {
		return false;
	}
}

cmd: