689 lines
18 KiB
PHP
689 lines
18 KiB
PHP
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<?php
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/**
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* WordPress Direct Filesystem.
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*
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* @package WordPress
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* @subpackage Filesystem
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*/
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/**
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* WordPress Filesystem Class for direct PHP file and folder manipulation.
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*
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* @since 2.5.0
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*
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* @see WP_Filesystem_Base
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*/
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class WP_Filesystem_Direct extends WP_Filesystem_Base {
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/**
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* Constructor.
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*
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* @since 2.5.0
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*
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* @param mixed $arg Not used.
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*/
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public function __construct( $arg ) {
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$this->method = 'direct';
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$this->errors = new WP_Error();
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}
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/**
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* Reads entire file into a string.
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*
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* @since 2.5.0
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*
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* @param string $file Name of the file to read.
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* @return string|false Read data on success, false on failure.
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*/
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public function get_contents( $file ) {
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return @file_get_contents( $file );
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}
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/**
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* Reads entire file into an array.
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*
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* @since 2.5.0
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*
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* @param string $file Path to the file.
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* @return array|false File contents in an array on success, false on failure.
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*/
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public function get_contents_array( $file ) {
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return @file( $file );
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}
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/**
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* Writes a string to a file.
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*
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* @since 2.5.0
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*
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* @param string $file Remote path to the file where to write the data.
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* @param string $contents The data to write.
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* @param int|false $mode Optional. The file permissions as octal number, usually 0644.
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* Default false.
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* @return bool True on success, false on failure.
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*/
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public function put_contents( $file, $contents, $mode = false ) {
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$fp = @fopen( $file, 'wb' );
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if ( ! $fp ) {
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return false;
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}
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mbstring_binary_safe_encoding();
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$data_length = strlen( $contents );
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$bytes_written = fwrite( $fp, $contents );
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reset_mbstring_encoding();
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fclose( $fp );
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if ( $data_length !== $bytes_written ) {
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return false;
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}
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$this->chmod( $file, $mode );
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return true;
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}
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/**
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* Gets the current working directory.
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*
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* @since 2.5.0
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*
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* @return string|false The current working directory on success, false on failure.
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*/
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public function cwd() {
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return getcwd();
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}
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/**
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* Changes current directory.
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*
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* @since 2.5.0
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*
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* @param string $dir The new current directory.
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* @return bool True on success, false on failure.
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*/
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public function chdir( $dir ) {
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return @chdir( $dir );
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}
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/**
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* Changes the file group.
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*
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* @since 2.5.0
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*
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* @param string $file Path to the file.
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* @param string|int $group A group name or number.
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* @param bool $recursive Optional. If set to true, changes file group recursively.
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* Default false.
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* @return bool True on success, false on failure.
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*/
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public function chgrp( $file, $group, $recursive = false ) {
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if ( ! $this->exists( $file ) ) {
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return false;
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}
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if ( ! $recursive ) {
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return chgrp( $file, $group );
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}
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if ( ! $this->is_dir( $file ) ) {
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return chgrp( $file, $group );
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}
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// Is a directory, and we want recursive.
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$file = trailingslashit( $file );
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$filelist = $this->dirlist( $file );
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foreach ( $filelist as $filename ) {
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$this->chgrp( $file . $filename, $group, $recursive );
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}
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return true;
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}
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/**
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* Changes filesystem permissions.
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*
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* @since 2.5.0
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*
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* @param string $file Path to the file.
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* @param int|false $mode Optional. The permissions as octal number, usually 0644 for files,
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* 0755 for directories. Default false.
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* @param bool $recursive Optional. If set to true, changes file permissions recursively.
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* Default false.
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* @return bool True on success, false on failure.
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*/
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public function chmod( $file, $mode = false, $recursive = false ) {
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if ( ! $mode ) {
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if ( $this->is_file( $file ) ) {
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$mode = FS_CHMOD_FILE;
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} elseif ( $this->is_dir( $file ) ) {
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$mode = FS_CHMOD_DIR;
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} else {
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return false;
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}
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}
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if ( ! $recursive || ! $this->is_dir( $file ) ) {
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return chmod( $file, $mode );
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}
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// Is a directory, and we want recursive.
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$file = trailingslashit( $file );
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$filelist = $this->dirlist( $file );
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foreach ( (array) $filelist as $filename => $filemeta ) {
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$this->chmod( $file . $filename, $mode, $recursive );
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}
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return true;
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}
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/**
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* Changes the owner of a file or directory.
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*
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* @since 2.5.0
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*
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* @param string $file Path to the file or directory.
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* @param string|int $owner A user name or number.
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* @param bool $recursive Optional. If set to true, changes file owner recursively.
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* Default false.
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* @return bool True on success, false on failure.
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*/
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public function chown( $file, $owner, $recursive = false ) {
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if ( ! $this->exists( $file ) ) {
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return false;
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}
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if ( ! $recursive ) {
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return chown( $file, $owner );
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}
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if ( ! $this->is_dir( $file ) ) {
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return chown( $file, $owner );
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}
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// Is a directory, and we want recursive.
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$filelist = $this->dirlist( $file );
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foreach ( $filelist as $filename ) {
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$this->chown( $file . '/' . $filename, $owner, $recursive );
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}
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return true;
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}
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/**
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* Gets the file owner.
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*
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* @since 2.5.0
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*
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* @param string $file Path to the file.
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* @return string|false Username of the owner on success, false on failure.
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*/
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public function owner( $file ) {
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$owneruid = @fileowner( $file );
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if ( ! $owneruid ) {
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return false;
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}
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if ( ! function_exists( 'posix_getpwuid' ) ) {
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return $owneruid;
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}
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$ownerarray = posix_getpwuid( $owneruid );
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if ( ! $ownerarray ) {
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return false;
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}
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return $ownerarray['name'];
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}
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/**
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* Gets the permissions of the specified file or filepath in their octal format.
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*
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* FIXME does not handle errors in fileperms()
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*
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* @since 2.5.0
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*
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* @param string $file Path to the file.
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* @return string Mode of the file (the last 3 digits).
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*/
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public function getchmod( $file ) {
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return substr( decoct( @fileperms( $file ) ), -3 );
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}
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/**
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* Gets the file's group.
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*
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* @since 2.5.0
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*
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* @param string $file Path to the file.
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* @return string|false The group on success, false on failure.
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*/
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public function group( $file ) {
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$gid = @filegroup( $file );
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if ( ! $gid ) {
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return false;
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}
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if ( ! function_exists( 'posix_getgrgid' ) ) {
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return $gid;
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}
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$grouparray = posix_getgrgid( $gid );
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if ( ! $grouparray ) {
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return false;
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}
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return $grouparray['name'];
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}
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/**
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* Copies a file.
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*
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* @since 2.5.0
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*
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* @param string $source Path to the source file.
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* @param string $destination Path to the destination file.
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* @param bool $overwrite Optional. Whether to overwrite the destination file if it exists.
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* Default false.
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* @param int|false $mode Optional. The permissions as octal number, usually 0644 for files,
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* 0755 for dirs. Default false.
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* @return bool True on success, false on failure.
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*/
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public function copy( $source, $destination, $overwrite = false, $mode = false ) {
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if ( ! $overwrite && $this->exists( $destination ) ) {
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return false;
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}
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$rtval = copy( $source, $destination );
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if ( $mode ) {
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$this->chmod( $destination, $mode );
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}
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return $rtval;
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}
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/**
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* Moves a file or directory.
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*
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* After moving files or directories, OPcache will need to be invalidated.
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*
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* If moving a directory fails, `copy_dir()` can be used for a recursive copy.
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*
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* Use `move_dir()` for moving directories with OPcache invalidation and a
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* fallback to `copy_dir()`.
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*
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* @since 2.5.0
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*
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* @param string $source Path to the source file.
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* @param string $destination Path to the destination file.
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* @param bool $overwrite Optional. Whether to overwrite the destination file if it exists.
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* Default false.
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* @return bool True on success, false on failure.
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*/
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public function move( $source, $destination, $overwrite = false ) {
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if ( ! $overwrite && $this->exists( $destination ) ) {
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return false;
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}
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if ( $overwrite && $this->exists( $destination ) && ! $this->delete( $destination, true ) ) {
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// Can't overwrite if the destination couldn't be deleted.
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return false;
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}
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// Try using rename first. if that fails (for example, source is read only) try copy.
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if ( @rename( $source, $destination ) ) {
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return true;
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}
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// Backward compatibility: Only fall back to `::copy()` for single files.
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if ( $this->is_file( $source ) && $this->copy( $source, $destination, $overwrite ) && $this->exists( $destination ) ) {
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$this->delete( $source );
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return true;
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} else {
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return false;
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}
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}
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/**
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* Deletes a file or directory.
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*
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* @since 2.5.0
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*
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* @param string $file Path to the file or directory.
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* @param bool $recursive Optional. If set to true, deletes files and folders recursively.
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* Default false.
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* @param string|false $type Type of resource. 'f' for file, 'd' for directory.
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* Default false.
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* @return bool True on success, false on failure.
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*/
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public function delete( $file, $recursive = false, $type = false ) {
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if ( empty( $file ) ) {
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// Some filesystems report this as /, which can cause non-expected recursive deletion of all files in the filesystem.
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return false;
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}
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$file = str_replace( '\\', '/', $file ); // For Win32, occasional problems deleting files otherwise.
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if ( 'f' === $type || $this->is_file( $file ) ) {
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return @unlink( $file );
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}
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if ( ! $recursive && $this->is_dir( $file ) ) {
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return @rmdir( $file );
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}
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// At this point it's a folder, and we're in recursive mode.
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$file = trailingslashit( $file );
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$filelist = $this->dirlist( $file, true );
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$retval = true;
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if ( is_array( $filelist ) ) {
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foreach ( $filelist as $filename => $fileinfo ) {
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if ( ! $this->delete( $file . $filename, $recursive, $fileinfo['type'] ) ) {
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$retval = false;
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}
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}
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}
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if ( file_exists( $file ) && ! @rmdir( $file ) ) {
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$retval = false;
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}
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return $retval;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Checks if a file or directory exists.
|
||
|
|
*
|
||
|
|
* @since 2.5.0
|
||
|
|
*
|
||
|
|
* @param string $path Path to file or directory.
|
||
|
|
* @return bool Whether $path exists or not.
|
||
|
|
*/
|
||
|
|
public function exists( $path ) {
|
||
|
|
return @file_exists( $path );
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Checks if resource is a file.
|
||
|
|
*
|
||
|
|
* @since 2.5.0
|
||
|
|
*
|
||
|
|
* @param string $file File path.
|
||
|
|
* @return bool Whether $file is a file.
|
||
|
|
*/
|
||
|
|
public function is_file( $file ) {
|
||
|
|
return @is_file( $file );
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Checks if resource is a directory.
|
||
|
|
*
|
||
|
|
* @since 2.5.0
|
||
|
|
*
|
||
|
|
* @param string $path Directory path.
|
||
|
|
* @return bool Whether $path is a directory.
|
||
|
|
*/
|
||
|
|
public function is_dir( $path ) {
|
||
|
|
return @is_dir( $path );
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Checks if a file is readable.
|
||
|
|
*
|
||
|
|
* @since 2.5.0
|
||
|
|
*
|
||
|
|
* @param string $file Path to file.
|
||
|
|
* @return bool Whether $file is readable.
|
||
|
|
*/
|
||
|
|
public function is_readable( $file ) {
|
||
|
|
return @is_readable( $file );
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Checks if a file or directory is writable.
|
||
|
|
*
|
||
|
|
* @since 2.5.0
|
||
|
|
*
|
||
|
|
* @param string $path Path to file or directory.
|
||
|
|
* @return bool Whether $path is writable.
|
||
|
|
*/
|
||
|
|
public function is_writable( $path ) {
|
||
|
|
return @is_writable( $path );
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Gets the file's last access time.
|
||
|
|
*
|
||
|
|
* @since 2.5.0
|
||
|
|
*
|
||
|
|
* @param string $file Path to file.
|
||
|
|
* @return int|false Unix timestamp representing last access time, false on failure.
|
||
|
|
*/
|
||
|
|
public function atime( $file ) {
|
||
|
|
return @fileatime( $file );
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Gets the file modification time.
|
||
|
|
*
|
||
|
|
* @since 2.5.0
|
||
|
|
*
|
||
|
|
* @param string $file Path to file.
|
||
|
|
* @return int|false Unix timestamp representing modification time, false on failure.
|
||
|
|
*/
|
||
|
|
public function mtime( $file ) {
|
||
|
|
return @filemtime( $file );
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Gets the file size (in bytes).
|
||
|
|
*
|
||
|
|
* @since 2.5.0
|
||
|
|
*
|
||
|
|
* @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 @filesize( $file );
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Sets the access and modification times of a file.
|
||
|
|
*
|
||
|
|
* Note: If $file doesn't exist, it will be created.
|
||
|
|
*
|
||
|
|
* @since 2.5.0
|
||
|
|
*
|
||
|
|
* @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 ) {
|
||
|
|
if ( 0 === $time ) {
|
||
|
|
$time = time();
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( 0 === $atime ) {
|
||
|
|
$atime = time();
|
||
|
|
}
|
||
|
|
|
||
|
|
return touch( $file, $time, $atime );
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Creates a directory.
|
||
|
|
*
|
||
|
|
* @since 2.5.0
|
||
|
|
*
|
||
|
|
* @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 ) {
|
||
|
|
// Safe mode fails with a trailing slash under certain PHP versions.
|
||
|
|
$path = untrailingslashit( $path );
|
||
|
|
|
||
|
|
if ( empty( $path ) ) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( ! $chmod ) {
|
||
|
|
$chmod = FS_CHMOD_DIR;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( ! @mkdir( $path ) ) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
$this->chmod( $path, $chmod );
|
||
|
|
|
||
|
|
if ( $chown ) {
|
||
|
|
$this->chown( $path, $chown );
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( $chgrp ) {
|
||
|
|
$this->chgrp( $path, $chgrp );
|
||
|
|
}
|
||
|
|
|
||
|
|
return true;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Deletes a directory.
|
||
|
|
*
|
||
|
|
* @since 2.5.0
|
||
|
|
*
|
||
|
|
* @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 $this->delete( $path, $recursive );
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Gets details for files in a directory or a specific file.
|
||
|
|
*
|
||
|
|
* @since 2.5.0
|
||
|
|
*
|
||
|
|
* @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 false $number File number. Always false in this context.
|
||
|
|
* @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 ) {
|
||
|
|
if ( $this->is_file( $path ) ) {
|
||
|
|
$limit_file = basename( $path );
|
||
|
|
$path = dirname( $path );
|
||
|
|
} else {
|
||
|
|
$limit_file = false;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( ! $this->is_dir( $path ) || ! $this->is_readable( $path ) ) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
$dir = dir( $path );
|
||
|
|
|
||
|
|
if ( ! $dir ) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
$path = trailingslashit( $path );
|
||
|
|
$ret = array();
|
||
|
|
|
||
|
|
while ( false !== ( $entry = $dir->read() ) ) {
|
||
|
|
$struc = array();
|
||
|
|
$struc['name'] = $entry;
|
||
|
|
|
||
|
|
if ( '.' === $struc['name'] || '..' === $struc['name'] ) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( ! $include_hidden && '.' === $struc['name'][0] ) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ( $limit_file && $struc['name'] !== $limit_file ) {
|
||
|
|
continue;
|
||
|
|
}
|
||
|
|
|
||
|
|
$struc['perms'] = $this->gethchmod( $path . $entry );
|
||
|
|
$struc['permsn'] = $this->getnumchmodfromh( $struc['perms'] );
|
||
|
|
$struc['number'] = false;
|
||
|
|
$struc['owner'] = $this->owner( $path . $entry );
|
||
|
|
$struc['group'] = $this->group( $path . $entry );
|
||
|
|
$struc['size'] = $this->size( $path . $entry );
|
||
|
|
$struc['lastmodunix'] = $this->mtime( $path . $entry );
|
||
|
|
$struc['lastmod'] = gmdate( 'M j', $struc['lastmodunix'] );
|
||
|
|
$struc['time'] = gmdate( 'h:i:s', $struc['lastmodunix'] );
|
||
|
|
$struc['type'] = $this->is_dir( $path . $entry ) ? 'd' : 'f';
|
||
|
|
|
||
|
|
if ( 'd' === $struc['type'] ) {
|
||
|
|
if ( $recursive ) {
|
||
|
|
$struc['files'] = $this->dirlist( $path . $struc['name'], $include_hidden, $recursive );
|
||
|
|
} else {
|
||
|
|
$struc['files'] = array();
|
||
|
|
}
|
||
|
|
}
|
||
|
|
|
||
|
|
$ret[ $struc['name'] ] = $struc;
|
||
|
|
}
|
||
|
|
|
||
|
|
$dir->close();
|
||
|
|
unset( $dir );
|
||
|
|
|
||
|
|
return $ret;
|
||
|
|
}
|
||
|
|
}
|