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/**

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* Checks if a file or directory is writable.

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* @since 2.5.0

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* @param string $path Path to file or directory.

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* @return bool Whether $path is writable.

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public function is_writable( $path ) {

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return true;

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}

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/**

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* Gets the file's last access time.

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* @since 2.5.0

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* @param string $file Path to file.

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* @return int|false Unix timestamp representing last access time, false on failure.

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public function atime( $file ) {

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return false;

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}

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/**

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* Gets the file modification time.

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* @since 2.5.0

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* @param string $file Path to file.

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* @return int|false Unix timestamp representing modification time, false on failure.

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public function mtime( $file ) {

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return $this->ftp->mdtm( $file );

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}

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/**

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* Gets the file size (in bytes).

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* @since 2.5.0

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* @param string $file Path to file.

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* @return int|false Size of the file in bytes on success, false on failure.

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public function size( $file ) {

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return $this->ftp->filesize( $file );

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}

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/**

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* Sets the access and modification times of a file.

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* Note: If $file doesn't exist, it will be created.

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* @since 2.5.0

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* @param string $file Path to file.

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* @param int $time Optional. Modified time to set for file.

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* Default 0.

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* @param int $atime Optional. Access time to set for file.

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* Default 0.

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* @return bool True on success, false on failure.

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public function touch( $file, $time = 0, $atime = 0 ) {

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return false;

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}

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/**

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* Creates a directory.

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* @since 2.5.0

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* @param string $path Path for new directory.

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* @param int|false $chmod Optional. The permissions as octal number (or false to skip chmod).

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* Default false.

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* @param string|int|false $chown Optional. A user name or number (or false to skip chown).

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* Default false.

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* @param string|int|false $chgrp Optional. A group name or number (or false to skip chgrp).

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* Default false.

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* @return bool True on success, false on failure.

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public function mkdir( $path, $chmod = false, $chown = false, $chgrp = false ) {

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$path = untrailingslashit( $path );

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if ( empty( $path ) ) {

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return false;

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}

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if ( ! $this->ftp->mkdir( $path ) ) {

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return false;

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}

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if ( ! $chmod ) {

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$chmod = FS_CHMOD_DIR;

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}

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$this->chmod( $path, $chmod );

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return true;

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}

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/**

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* Deletes a directory.

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* @since 2.5.0

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* @param string $path Path to directory.

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* @param bool $recursive Optional. Whether to recursively remove files/directories.

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* Default false.

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* @return bool True on success, false on failure.

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public function rmdir( $path, $recursive = false ) {

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return $this->delete( $path, $recursive );

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}

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/**

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* Gets details for files in a directory or a specific file.

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* @since 2.5.0

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* @param string $path Path to directory or file.

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* @param bool $include_hidden Optional. Whether to include details of hidden ("." prefixed) files.

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* Default true.

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* @param bool $recursive Optional. Whether to recursively include file details in nested directories.

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* Default false.

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* @return array|false {

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* Array of arrays containing file information. False if unable to list directory contents.

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* @type array ...$0 {

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* Array of file information. Note that some elements may not be available on all filesystems.

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* @type string $name Name of the file or directory.

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* @type string $perms *nix representation of permissions.

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* @type string $permsn Octal representation of permissions.

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* @type int|string|false $number File number. May be a numeric string. False if not available.

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* @type string|false $owner Owner name or ID, or false if not available.

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* @type string|false $group File permissions group, or false if not available.

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* @type int|string|false $size Size of file in bytes. May be a numeric string.

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* False if not available.

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* @type int|string|false $lastmodunix Last modified unix timestamp. May be a numeric string.

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* False if not available.

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* @type string|false $lastmod Last modified month (3 letters) and day (without leading 0), or

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* false if not available.

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* @type string|false $time Last modified time, or false if not available.

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* @type string $type Type of resource. 'f' for file, 'd' for directory, 'l' for link.

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* @type array|false $files If a directory and `$recursive` is true, contains another array of

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* files. False if unable to list directory contents.

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* }

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* }

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public function dirlist( $path = '.', $include_hidden = true, $recursive = false ) {

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if ( $this->is_file( $path ) ) {

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$limit_file = basename( $path );

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$path = dirname( $path ) . '/';

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} else {

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$limit_file = false;

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}

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mbstring_binary_safe_encoding();

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$list = $this->ftp->dirlist( $path );

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if ( empty( $list ) && ! $this->exists( $path ) ) {

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reset_mbstring_encoding();

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return false;

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}

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$path = trailingslashit( $path );

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$ret = array();

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foreach ( $list as $struc ) {

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if ( '.' === $struc['name'] || '..' === $struc['name'] ) {

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continue;

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}

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if ( ! $include_hidden && '.' === $struc['name'][0] ) {

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continue;

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}

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if ( $limit_file && $struc['name'] !== $limit_file ) {

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continue;

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}

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if ( 'd' === $struc['type'] ) {

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if ( $recursive ) {

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$struc['files'] = $this->dirlist( $path . $struc['name'], $include_hidden, $recursive );

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} else {

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$struc['files'] = array();

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}

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}

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// Replace symlinks formatted as "source -> target" with just the source name.

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if ( $struc['islink'] ) {

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$struc['name'] = preg_replace( '/(\s*->\s*.*)$/', '', $struc['name'] );

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}

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// Add the octal representation of the file permissions.

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$struc['permsn'] = $this->getnumchmodfromh( $struc['perms'] );

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$ret[ $struc['name'] ] = $struc;

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}

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reset_mbstring_encoding();

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return $ret;

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}

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/**

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* Destructor.

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* @since 2.5.0

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public function __destruct() {

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$this->ftp->quit();

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}

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}

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