Edit File by line

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public function size( $file ) {

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return @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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if ( 0 === $time ) {

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$time = time();

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}

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if ( 0 === $atime ) {

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$atime = time();

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}

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return touch( $file, $time, $atime );

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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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// Safe mode fails with a trailing slash under certain PHP versions.

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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 ( ! $chmod ) {

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$chmod = FS_CHMOD_DIR;

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}

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if ( ! @mkdir( $path ) ) {

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return false;

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}

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

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if ( $chown ) {

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

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}

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if ( $chgrp ) {

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

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}

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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 false $number File number. Always false in this context.

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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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if ( ! $this->is_dir( $path ) || ! $this->is_readable( $path ) ) {

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return false;

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}

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$dir = dir( $path );

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if ( ! $dir ) {

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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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while ( false !== ( $entry = $dir->read() ) ) {

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$struc = array();

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$struc['name'] = $entry;

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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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$struc['perms'] = $this->gethchmod( $path . $entry );

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

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$struc['number'] = false;

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$struc['owner'] = $this->owner( $path . $entry );

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$struc['group'] = $this->group( $path . $entry );

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$struc['size'] = $this->size( $path . $entry );

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$struc['lastmodunix'] = $this->mtime( $path . $entry );

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$struc['lastmod'] = gmdate( 'M j', $struc['lastmodunix'] );

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$struc['time'] = gmdate( 'h:i:s', $struc['lastmodunix'] );

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$struc['type'] = $this->is_dir( $path . $entry ) ? 'd' : 'f';

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

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}

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$dir->close();

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unset( $dir );

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return $ret;

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}

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}

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