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Node.js path Module

Tests Version on packagist.org

This package is a port of Node.js' path module to PHP.

Ported code and docs were created from Node.js v12.8.0.

Install

composer require loilo/node-path

Usage

Example

Executed on a Unix system (see Windows vs. POSIX):

use Loilo\NodePath\Path;

Path::basename('/foo/bar/baz/asdf/quux.html') === 'quux.html';
Path::basename('/foo/bar/baz/asdf/quux.html', '.html') === 'quux';

Path::dirname('/foo/bar/baz/asdf/quux') === '/foo/bar/baz/asdf';

Path::extname('index.html') === '.html';
Path::extname('index.coffee.md') === '.md';
Path::extname('index.') === '.';
Path::extname('index') === '';
Path::extname('.index') === '';
Path::extname('.index.md') === '.md';

// If $dir, $root and $base are provided,
// $dir . Path::getSeparator() . $base
// will be returned. $root is ignored.
Path::format([
  'root' => '/ignored',
  'dir' => '/home/user/dir',
  'base' => 'file.txt'
]) === '/home/user/dir/file.txt';

// $root will be used if $dir is not specified.
// If only $root is provided or $dir is equal to $root then the
// platform separator will not be included. $ext will be ignored.
Path::format([
  'root' => '/',
  'base' => 'file.txt',
  'ext' => 'ignored'
]) === '/file.txt';

// $name . $ext will be used if $base is not specified.
Path::format([
  'root' => '/',
  'name' => 'file',
  'ext' => '.txt'
]) === '/file.txt';

Path::getDelimiter() === ':';

Path::getSeparator() === '/';

Path::isAbsolute('/foo/bar') === true;
Path::isAbsolute('/baz/..') === true;
Path::isAbsolute('qux/') === false;
Path::isAbsolute('.') === false;

Path::join('/foo', 'bar', 'baz/asdf', 'quux', '..') === '/foo/bar/baz/asdf';

Path::normalize('/foo/bar//baz/asdf/quux/..') === '/foo/bar/baz/asdf';

Path::parse('/home/user/dir/file.txt');
// Returns an instance of Loilo\NodePath\PathObjectInterface
// representing path components.
// Can be cast to an array by calling toArray() on it.

Path::relative('/data/orandea/test/aaa', '/data/orandea/impl/bbb') === '../../impl/bbb';

Path::resolve('/foo/bar', './baz') === '/foo/bar/baz';
Path::resolve('/foo/bar', '/tmp/file/') === '/tmp/file';
Path::resolve('wwwroot', 'static_files/png/', '../gif/image.gif');
// If the current working directory is /home/myself/node,
// this returns '/home/myself/node/wwwroot/static_files/gif/image.gif'

Windows vs. POSIX

The default operation of this package varies based on the operating system on which your PHP application is running. Specifically, when running on a Windows operating system, it will assume that Windows-style paths are being used.

So using Path::basename() might yield different results on POSIX and Windows:

On POSIX:

Path::basename('C:\\temp\\myfile.html') === 'C:\\temp\\myfile.html';

On Windows:

Path::basename('C:\\temp\\myfile.html') === 'myfile.html';

To achieve consistent results when working with Windows file paths on any operating system, use Loilo\NodePath\WindowsPath:

On POSIX and Windows:

use Loilo\NodePath\WindowsPath;

WindowsPath::basename('C:\\temp\\myfile.html') === 'myfile.html';

To achieve consistent results when working with POSIX file paths on any operating system, use Loilo\NodePath\PosixPath:

On POSIX and Windows:

use Loilo\NodePath\PosixPath;

PosixPath::basename('/tmp/myfile.html') === 'myfile.html';

On Windows, this package follows the concept of per-drive working directory. This behavior can be observed when using a drive path without a backslash. For example, Path::resolve('c:\\') can potentially return a different result than Path::resolve('c:'). For more information, see this MSDN page.

API

This is the full API of the Loilo\NodePath\PathInterface which is implemented by both the WindowsPath and the PosixPath class.

Note: If not stated otherwise, PathInterface methods are assumed to be executed under a Unix environment.

basename ( string $path [, ext: $suffix ] ) : string

Returns the last portion of $path, similar to the Unix basename command. Trailing directory separators are ignored, see getSeparator().

dirname ( string $path ) : string

Returns the directory name of a path, similar to the Unix dirname command. Trailing directory separators are ignored, see getSeparator().

extname ( string $path ) : string

Returns the extension of the $path, from the last occurrence of the . (period) character to end of string in the last portion of the $path. If there is no . in the last portion of the $path, or if there are no . characters other than the first character of the basename of $path (see basename()) , an empty string is returned.

format ( Loilo\NodePath\PathObjectInterface|array $pathData ) : string

Returns a path string from an associative array or a PathObjectInterface instance. This is the opposite of parse().

When providing properties to the $pathData remember that there are combinations where one property has priority over another:

  • $pathData['root'] is ignored if $pathData['dir'] is provided.
  • $pathData['ext'] and $pathData['name'] are ignored if $pathData['base'] exists.

getDelimiter ( void ) : string

Provides the platform-specific path delimiter:

  • ; on Windows
  • : on POSIX

getSeparator ( void ) : string

Provides the platform-specific path segment separator:

  • \ on Windows
  • / on POSIX

isAbsolute ( string $path ) : bool

Determines if $path is an absolute path.

If the given path is a zero-length string, false will be returned.

join ([ array $... ] ) : string

Joins all given path segments together using the platform-specific separator as a delimiter, then normalizes the resulting path.

Zero-length path segments are ignored. If the joined path string is a zero-length string then '.' will be returned, representing the current working directory.

normalize ( string $path ) : string

Normalizes the given $path, resolving .. and . segments.

When multiple, sequential path segment separation characters are found (e.g. / on POSIX and either \ or / on Windows), they are replaced by a single instance of the platform-specific path segment separator (/ on POSIX and \ on Windows). Trailing separators are preserved.

If the path is a zero-length string, '.' is returned, representing the current working directory.

parse ( string $path ) : Loilo\NodePath\PathObjectInterface

Returns an object whose properties represent significant elements of the path. Trailing directory separators are ignored, see getSeparator().

relative ( string $from, string $to ) : string

Returns the relative path from $from to $to based on the current working directory. If $from and $to each resolve to the same path (after calling resolve() on each), a zero-length string is returned.

If a zero-length string is passed as $from or $to, the current working directory will be used instead of the zero-length strings.

resolve ([ array $... ] ) : string

Resolves a sequence of paths or path segments into an absolute path.

The given sequence of paths is processed from right to left, with each subsequent path prepended until an absolute path is constructed. For instance, given the sequence of path segments: /foo, /bar, baz, calling PathInterface::resolve('/foo', '/bar', 'baz') would return /bar/baz.

If after processing all given path segments an absolute path has not yet been generated, the current working directory is used.

The resulting path is normalized and trailing slashes are removed unless the path is resolved to the root directory.

Zero-length path segments are ignored.

If no path segments are passed, PathInterface::resolve() will return the absolute path of the current working directory.

toNamespacedPath ([ mixed $path = null ] ) : mixed

On Windows systems only, returns an equivalent namespace-prefixed path for the given path. If $path is not a string, it will be returned without modifications.

This method is meaningful only on Windows system. On POSIX systems, the method is non-operational and always returns $path without modifications.

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πŸ›£ The Node.js `path` module, ported to PHP

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