FileHelper::findFiles() - Code Metrics - Inspection of "Minor refactoring" - yiisoft/files - Measure and Improve Code Quality continuously with Scrutinizer

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Push — master ( f3a509...5dea18 )

by Alexander

created 2021-02-04 23:05 UTC

FileHelper::findFiles() B

↳ Parent: FileHelper

Complexity

Conditions	9
Paths	12

Size

Total Lines	31
Code Lines	17

Duplication

Lines	0
Ratio	0 %

Code Coverage

Tests	18
CRAP Score	9

Importance

Changes	1
Bugs	0	Features	0

Metric	Value
eloc	17
c	1
b	0
f	0
dl	0
loc	31
ccs	18
cts	18
cp	1
rs	8.0555
cc	9
nc	12
nop	2
crap	9

<?php

declare(strict_types=1);

namespace Yiisoft\Files;

use FilesystemIterator;
use InvalidArgumentException;
use LogicException;
use RecursiveDirectoryIterator;
use RecursiveIteratorIterator;
use RuntimeException;
use Yiisoft\Files\PathMatcher\PathMatcherInterface;
use function array_key_exists;
use function get_class;
use function is_object;

/**
 * FileHelper provides useful methods to manage files and directories.
 */
class FileHelper
{
    /**
     * Opens a file or URL.
     *
     * This method is similar to the PHP {@see fopen()} function, except that it suppresses the {@see E_WARNING}
     * level error and throws the {@see \RuntimeException} exception if it can't open the file.
     *
     * @param string $filename The file or URL.
     * @param string $mode The type of access.
     * @param bool $useIncludePath Whether to search for a file in the include path.
     * @param resource|null $context The stream context or `null`.
     *
     * @throws RuntimeException If the file could not be opened.
     *
     * @return resource The file pointer resource.
     *
     * @psalm-suppress PossiblyNullArgument
     */
    public static function openFile(string $filename, string $mode, bool $useIncludePath = false, $context = null)
    {
        /** @psalm-suppress InvalidArgument, MixedArgumentTypeCoercion */
        set_error_handler(static function (int $errorNumber, string $errorString) use ($filename): ?bool {
            throw new RuntimeException(
                sprintf('Failed to open a file "%s". ', $filename) . $errorString,
                $errorNumber
            );
        });

        $filePointer = fopen($filename, $mode, $useIncludePath, $context);

        restore_error_handler();

        if ($filePointer === false) {
            throw new RuntimeException(sprintf('Failed to open a file "%s". ', $filename));
        }

        return $filePointer;
    }

    /**
     * Ensures directory exists and has specific permissions.
     *
     * This method is similar to the PHP {@see mkdir()} function with some differences:
     *
     * - It does not fail if directory already exists.
     * - It uses {@see chmod()} to set the permission of the created directory in order to avoid the impact
     *   of the `umask` setting.
     * - It throws exceptions instead of returning false and emitting {@see E_WARNING}.
     *
     * @param string $path Path of the directory to be created.
     * @param int $mode The permission to be set for the created directory.
     */
    public static function ensureDirectory(string $path, int $mode = 0775): void
    {
        $path = static::normalizePath($path);

        if (!is_dir($path)) {
            /** @psalm-suppress InvalidArgument, MixedArgumentTypeCoercion */
            set_error_handler(static function (int $errorNumber, string $errorString) use ($path) {
                // Handle race condition.
                // See https://github.com/kalessil/phpinspectionsea/blob/master/docs/probable-bugs.md#mkdir-race-condition
                if (!is_dir($path)) {
                    throw new RuntimeException(
                        sprintf('Failed to create directory "%s". ', $path) . $errorString,
                        $errorNumber
                    );
                }
            });

            mkdir($path, $mode, true);

            restore_error_handler();
        }

        if (!chmod($path, $mode)) {
            throw new RuntimeException(sprintf('Unable to set mode "%s" for "%s".', $mode, $path));
        }
    }

    /**
     * Normalizes a file/directory path.
     *
     * The normalization does the following work:
     *
     * - Convert all directory separators into `/` (e.g. "\a/b\c" becomes "/a/b/c")
     * - Remove trailing directory separators (e.g. "/a/b/c/" becomes "/a/b/c")
     * - Turn multiple consecutive slashes into a single one (e.g. "/a///b/c" becomes "/a/b/c")
     * - Remove ".." and "." based on their meanings (e.g. "/a/./b/../c" becomes "/a/c")
     *
     * @param string $path The file/directory path to be normalized.
     *
     * @return string The normalized file/directory path.
     */
    public static function normalizePath(string $path): string
    {
        $isWindowsShare = strpos($path, '\\\\') === 0;

        if ($isWindowsShare) {
            $path = substr($path, 2);
        }

        $path = rtrim(strtr($path, '/\\', '//'), '/');

        if (strpos('/' . $path, '/.') === false && strpos($path, '//') === false) {
            return $isWindowsShare ? "\\\\$path" : $path;
        }

        $parts = [];

        foreach (explode('/', $path) as $part) {
            if ($part === '..' && !empty($parts) && end($parts) !== '..') {
                array_pop($parts);
            } elseif ($part !== '.' && ($part !== '' || empty($parts))) {
                $parts[] = $part;
            }
        }

        $path = implode('/', $parts);

        if ($isWindowsShare) {
            $path = '\\\\' . $path;
        }

        return $path === '' ? '.' : $path;
    }

    /**
     * Removes a directory (and all its content) recursively. Does nothing if directory does not exists.
     *
     * @param string $directory The directory to be deleted recursively.
     * @param array $options Options for directory remove ({@see clearDirectory()}).
     *
     * @throw RuntimeException when unable to remove directory.
     */
    public static function removeDirectory(string $directory, array $options = []): void
    {
        if (!file_exists($directory)) {
            return;
        }

        static::clearDirectory($directory, $options);

        if (is_link($directory)) {
            self::unlink($directory);
        } else {
            /** @psalm-suppress InvalidArgument, MixedArgumentTypeCoercion */
            set_error_handler(static function (int $errorNumber, string $errorString) use ($directory) {
                throw new RuntimeException(
                    sprintf('Failed to remove directory "%s". ', $directory) . $errorString,
                    $errorNumber
                );
            });

            rmdir($directory);

            restore_error_handler();
        }
    }

    /**
     * Clear all directory content.
     *
     * @param string $directory The directory to be cleared.
     * @param array $options Options for directory clear . Valid options are:
     *
     * - traverseSymlinks: boolean, whether symlinks to the directories should be traversed too.
     *   Defaults to `false`, meaning the content of the symlinked directory would not be deleted.
     *   Only symlink would be removed in that default case.
     *
     * @throws RuntimeException if unable to open directory.
     */
    public static function clearDirectory(string $directory, array $options = []): void
    {
        $handle = static::openDirectory($directory);
        if (!empty($options['traverseSymlinks']) || !is_link($directory)) {
            while (($file = readdir($handle)) !== false) {
                if ($file === '.' || $file === '..') {
                    continue;
                }
                $path = $directory . '/' . $file;
                if (is_dir($path)) {
                    self::removeDirectory($path, $options);
                } else {
                    self::unlink($path);
                }
            }
            closedir($handle);
        }
    }

    /**
     * Removes a file or symlink in a cross-platform way.
     *
     * @param string $path Path to unlink.
     */
    public static function unlink(string $path): void
    {
        /** @psalm-suppress InvalidArgument, MixedArgumentTypeCoercion */
        set_error_handler(static function (int $errorNumber, string $errorString) use ($path) {
            throw new RuntimeException(
                sprintf('Failed to unlink "%s". ', $path) . $errorString,
                $errorNumber
            );
        });

        $isWindows = DIRECTORY_SEPARATOR === '\\';

        if ($isWindows) {
            if (is_link($path)) {
                try {
                    unlink($path);
                } catch (RuntimeException $e) {
                    rmdir($path);
                }
            } else {
                if (file_exists($path) && !is_writable($path)) {
                    chmod($path, 0777);
                }
                unlink($path);
            }
        } else {
            unlink($path);
        }
        restore_error_handler();
    }

    /**
     * Tells whether the path is a empty directory.
     *
     * @param string $path Path to check for being an empty directory.
     *
     * @return bool
     */
    public static function isEmptyDirectory(string $path): bool
    {
        if (!is_dir($path)) {
            return false;
        }

        return !(new FilesystemIterator($path))->valid();
    }

    /**
     * Copies a whole directory as another one.
     *
     * The files and sub-directories will also be copied over.
     *
     * @param string $source The source directory.
     * @param string $destination The destination directory.
     * @param array $options Options for directory copy. Valid options are:
     *
     * - dirMode: integer, the permission to be set for newly copied directories. Defaults to 0775.
     * - fileMode: integer, the permission to be set for newly copied files. Defaults to the current environment
     *   setting.
     * - filter: a filter to apply while copying files. It should be an instance of {@see PathMatcherInterface}.
     * - recursive: boolean, whether the files under the subdirectories should also be copied. Defaults to true.
     * - beforeCopy: callback, a PHP callback that is called before copying each sub-directory or file. If the callback
     *   returns false, the copy operation for the sub-directory or file will be cancelled. The signature of the
     *   callback should be: `function ($from, $to)`, where `$from` is the sub-directory or file to be copied from,
     *   while `$to` is the copy target.
     * - afterCopy: callback, a PHP callback that is called after each sub-directory or file is successfully copied.
     *   The signature of the callback should be: `function ($from, $to)`, where `$from` is the sub-directory or file
     *   copied from, while `$to` is the copy target.
     * - copyEmptyDirectories: boolean, whether to copy empty directories. Set this to false to avoid creating
     *   directories that do not contain files. This affects directories that do not contain files initially as well as
     *   directories that do not contain files at the target destination because files have been filtered via `only` or
     *   `except`. Defaults to true.
     *
     * @throws RuntimeException if unable to open directory
     *
     * @psalm-param array{
     *   dirMode?: int,
     *   fileMode?: int,
     *   filter?: \Yiisoft\Files\PathMatcher\PathMatcherInterface|mixed,
     *   recursive?: bool,
     *   beforeCopy?: callable,
     *   afterCopy?: callable,
     *   copyEmptyDirectories?: bool,
     * } $options
     */
    public static function copyDirectory(string $source, string $destination, array $options = []): void
    {
        $filter = self::getFilter($options);
        $recursive = !array_key_exists('recursive', $options) || $options['recursive'];
        $fileMode = $options['fileMode'] ?? null;
        $dirMode = $options['dirMode'] ?? 0775;

        $source = static::normalizePath($source);
        $destination = static::normalizePath($destination);
        $copyEmptyDirectories = !array_key_exists('copyEmptyDirectories', $options) || $options['copyEmptyDirectories'];

        static::assertNotSelfDirectory($source, $destination);

        $destinationExists = is_dir($destination);
        if (!$destinationExists && $copyEmptyDirectories) {
            static::ensureDirectory($destination, $dirMode);
            $destinationExists = true;
        }

        $handle = static::openDirectory($source);

        if (!array_key_exists('basePath', $options)) {
            $options['basePath'] = realpath($source);
        }

        while (($file = readdir($handle)) !== false) {
            if ($file === '.' || $file === '..') {
                continue;
            }

            $from = $source . '/' . $file;
            $to = $destination . '/' . $file;

            if ($filter === null || $filter->match($from)) {
                if (is_file($from)) {
                    if (!$destinationExists) {
                        static::ensureDirectory($destination, $dirMode);
                        $destinationExists = true;
                    }
                    copy($from, $to);
                    if ($fileMode !== null) {
                        chmod($to, $fileMode);
                    }
                } elseif ($recursive) {
                    static::copyDirectory($from, $to, $options);
                }
            }
        }

        closedir($handle);
    }

    private static function getFilter(array $options): ?PathMatcherInterface
    {
        if (!array_key_exists('filter', $options)) {
            return null;
        }

        if (!$options['filter'] instanceof PathMatcherInterface) {
            $type = is_object($options['filter']) ? get_class($options['filter']) : gettype($options['filter']);
            throw new InvalidArgumentException(sprintf('Filter should be an instance of PathMatcherInterface, %s given.', $type));
        }

        return $options['filter'];
    }

    /**
     * Assert that destination is not within the source directory.
     *
     * @param string $source Path to source.
     * @param string $destination Path to destination.
     *
     * @throws InvalidArgumentException
     */
    private static function assertNotSelfDirectory(string $source, string $destination): void
    {
        if ($source === $destination || strpos($destination, $source . '/') === 0) {
            throw new InvalidArgumentException('Trying to copy a directory to itself or a subdirectory.');
        }
    }

    /**
     * Open directory handle.
     *
     * @param string $directory Path to directory.
     *
     * @throws RuntimeException if unable to open directory.
     * @throws InvalidArgumentException if argument is not a directory.
     *
     * @return resource
     */
    private static function openDirectory(string $directory)
    {
        if (!file_exists($directory)) {
            throw new InvalidArgumentException("\"$directory\" does not exist.");
        }

        if (!is_dir($directory)) {
            throw new InvalidArgumentException("\"$directory\" is not a directory.");
        }

        /** @psalm-suppress InvalidArgument, MixedArgumentTypeCoercion */
        set_error_handler(static function (int $errorNumber, string $errorString) use ($directory) {
            throw new RuntimeException(
                sprintf('Unable to open directory "%s". ', $directory) . $errorString,
                $errorNumber
            );
        });

        $handle = opendir($directory);

        if ($handle === false) {
            throw new RuntimeException(sprintf('Unable to open directory "%s". ', $directory));
        }

        restore_error_handler();

        return $handle;
    }

    /**
     * Returns the last modification time for the given paths.
     *
     * If the path is a directory, any nested files/directories will be checked as well.
     *
     * @param string ...$paths The directories to be checked.
     *
     * @throws LogicException If path is not set.
     *
     * @return int Unix timestamp representing the last modification time.
     */
    public static function lastModifiedTime(string ...$paths): int
    {
        if (empty($paths)) {
            throw new LogicException('Path is required.');
        }

        $times = [];

        foreach ($paths as $path) {
            $times[] = static::modifiedTime($path);

            if (is_file($path)) {
                continue;
            }

            /** @var iterable<string, string> $iterator */
            $iterator = new RecursiveIteratorIterator(
                new RecursiveDirectoryIterator($path, FilesystemIterator::SKIP_DOTS),
                RecursiveIteratorIterator::SELF_FIRST
            );

            foreach ($iterator as $p => $info) {
                $times[] = static::modifiedTime($p);
            }
        }

        /** @psalm-suppress ArgumentTypeCoercion */
        return max($times);
    }

    private static function modifiedTime(string $path): int
    {
        return (int)filemtime($path);
    }

    /**
     * Returns the directories found under the specified directory and subdirectories.
     *
     * @param string $directory The directory under which the files will be looked for.
     * @param array $options Options for directory searching. Valid options are:
     *
     * - filter: a filter to apply while looked directories. It should be an instance of {@see PathMatcherInterface}.
     * - recursive: boolean, whether the subdirectories should also be looked for. Defaults to `true`.
     *
     * @psalm-param array{
     *   filter?: \Yiisoft\Files\PathMatcher\PathMatcherInterface|mixed,
     *   recursive?: bool,
     * } $options
     *
     * @throws InvalidArgumentException If the directory is invalid.
     *
     * @return string[] Directories found under the directory specified, in no particular order.
     * Ordering depends on the file system used.
     */
    public static function findDirectories(string $directory, array $options = []): array
    {
        $filter = self::getFilter($options);
        $recursive = !array_key_exists('recursive', $options) || $options['recursive'];
        $directory = static::normalizePath($directory);

        $result = [];

        $handle = static::openDirectory($directory);
        while (false !== $file = readdir($handle)) {
            if ($file === '.' || $file === '..') {
                continue;
            }

            $path = $directory . '/' . $file;
            if (is_file($path)) {
                continue;
            }

            if ($filter === null || $filter->match($path)) {
                $result[] = $path;
            }

            if ($recursive) {
                $result = array_merge($result, static::findDirectories($path, $options));
            }
        }
        closedir($handle);

        return $result;
    }

    /**
     * Returns the files found under the specified directory and subdirectories.
     *
     * @param string $directory The directory under which the files will be looked for.
     * @param array $options Options for file searching. Valid options are:
     *
     * - filter: a filter to apply while looked files. It should be an instance of {@see PathMatcherInterface}.
     * - recursive: boolean, whether the files under the subdirectories should also be looked for. Defaults to `true`.
     *
     * @psalm-param array{
     *   filter?: \Yiisoft\Files\PathMatcher\PathMatcherInterface|mixed,
     *   recursive?: bool,
     * } $options
     *
     * @throws InvalidArgumentException If the directory is invalid.
     *
     * @return array Files found under the directory specified, in no particular order.
     * Ordering depends on the files system used.
     */
    public static function findFiles(string $directory, array $options = []): array
    {
        $filter = self::getFilter($options);
        $recursive = !array_key_exists('recursive', $options) || $options['recursive'];

        $directory = static::normalizePath($directory);

        $result = [];

        $handle = static::openDirectory($directory);
        while (false !== $file = readdir($handle)) {
            if ($file === '.' || $file === '..') {
                continue;
            }

            $path = $directory . '/' . $file;

            if (is_file($path)) {
                if ($filter === null || $filter->match($path)) {
                    $result[] = $path;
                }
                continue;
            }

            if ($recursive) {
                $result = array_merge($result, static::findFiles($path, $options));
            }
        }
        closedir($handle);

        return $result;
    }
}


1		<?php
2
3		declare(strict_types=1);
4
5		namespace Yiisoft\Files;
6
7		use FilesystemIterator;
8		use InvalidArgumentException;
9		use LogicException;
10		use RecursiveDirectoryIterator;
11		use RecursiveIteratorIterator;
12		use RuntimeException;
13		use Yiisoft\Files\PathMatcher\PathMatcherInterface;
14		use function array_key_exists;
15		use function get_class;
16		use function is_object;
17
18		/**
19		* FileHelper provides useful methods to manage files and directories.
20		*/
21		class FileHelper
22		{
23		/**
24		* Opens a file or URL.
25		*
26		* This method is similar to the PHP {@see fopen()} function, except that it suppresses the {@see E_WARNING}
27		* level error and throws the {@see \RuntimeException} exception if it can't open the file.
28		*
29		* @param string $filename The file or URL.
30		* @param string $mode The type of access.
31		* @param bool $useIncludePath Whether to search for a file in the include path.
32		* @param resource\|null $context The stream context or `null`.
33		*
34		* @throws RuntimeException If the file could not be opened.
35		*
36		* @return resource The file pointer resource.
37		*
38		* @psalm-suppress PossiblyNullArgument
39		*/
40	3	public static function openFile(string $filename, string $mode, bool $useIncludePath = false, $context = null)
41		{
42		/** @psalm-suppress InvalidArgument, MixedArgumentTypeCoercion */
43	3	set_error_handler(static function (int $errorNumber, string $errorString) use ($filename): ?bool {
44	1	throw new RuntimeException(
45	1	sprintf('Failed to open a file "%s". ', $filename) . $errorString,
46		$errorNumber
47		);
48	3	});
49
50	3	$filePointer = fopen($filename, $mode, $useIncludePath, $context);
51
52	2	restore_error_handler();
53
54	2	if ($filePointer === false) {
55		throw new RuntimeException(sprintf('Failed to open a file "%s". ', $filename));
56		}
57
58	2	return $filePointer;
59		}
60
61		/**
62		* Ensures directory exists and has specific permissions.
63		*
64		* This method is similar to the PHP {@see mkdir()} function with some differences:
65		*
66		* - It does not fail if directory already exists.
67		* - It uses {@see chmod()} to set the permission of the created directory in order to avoid the impact
68		* of the `umask` setting.
69		* - It throws exceptions instead of returning false and emitting {@see E_WARNING}.
70		*
71		* @param string $path Path of the directory to be created.
72		* @param int $mode The permission to be set for the created directory.
73		*/
74	53	public static function ensureDirectory(string $path, int $mode = 0775): void
75		{
76	53	$path = static::normalizePath($path);
77
78	53	if (!is_dir($path)) {
79		/** @psalm-suppress InvalidArgument, MixedArgumentTypeCoercion */
80	53	set_error_handler(static function (int $errorNumber, string $errorString) use ($path) {
81		// Handle race condition.
82		// See https://github.com/kalessil/phpinspectionsea/blob/master/docs/probable-bugs.md#mkdir-race-condition
83	1	if (!is_dir($path)) {
84	1	throw new RuntimeException(
85	1	sprintf('Failed to create directory "%s". ', $path) . $errorString,
86		$errorNumber
87		);
88		}
89	53	});
90
91	53	mkdir($path, $mode, true);
92
93	53	restore_error_handler();
94		}
95
96	53	if (!chmod($path, $mode)) {
97		throw new RuntimeException(sprintf('Unable to set mode "%s" for "%s".', $mode, $path));
98		}
99	53	}
100
101		/**
102		* Normalizes a file/directory path.
103		*
104		* The normalization does the following work:
105		*
106		* - Convert all directory separators into `/` (e.g. "\a/b\c" becomes "/a/b/c")
107		* - Remove trailing directory separators (e.g. "/a/b/c/" becomes "/a/b/c")
108		* - Turn multiple consecutive slashes into a single one (e.g. "/a///b/c" becomes "/a/b/c")
109		* - Remove ".." and "." based on their meanings (e.g. "/a/./b/../c" becomes "/a/c")
110		*
111		* @param string $path The file/directory path to be normalized.
112		*
113		* @return string The normalized file/directory path.
114		*/
115	53	public static function normalizePath(string $path): string
116		{
117	53	$isWindowsShare = strpos($path, '\\\\') === 0;
118
119	53	if ($isWindowsShare) {
120	1	$path = substr($path, 2);
121		}
122
123	53	$path = rtrim(strtr($path, '/\\', '//'), '/');
124
125	53	if (strpos('/' . $path, '/.') === false && strpos($path, '//') === false) {
126	53	return $isWindowsShare ? "\\\\$path" : $path;
127		}
128
129	1	$parts = [];
130
131	1	foreach (explode('/', $path) as $part) {
132	1	if ($part === '..' && !empty($parts) && end($parts) !== '..') {
133	1	array_pop($parts);
134	1	} elseif ($part !== '.' && ($part !== '' \|\| empty($parts))) {
135	1	$parts[] = $part;
136		}
137		}
138
139	1	$path = implode('/', $parts);
140
141	1	if ($isWindowsShare) {
142	1	$path = '\\\\' . $path;
143		}
144
145	1	return $path === '' ? '.' : $path;
146		}
147
148		/**
149		* Removes a directory (and all its content) recursively. Does nothing if directory does not exists.
150		*
151		* @param string $directory The directory to be deleted recursively.
152		* @param array $options Options for directory remove ({@see clearDirectory()}).
153		*
154		* @throw RuntimeException when unable to remove directory.
155		*/
156	53	public static function removeDirectory(string $directory, array $options = []): void
157		{
158	53	if (!file_exists($directory)) {
159	1	return;
160		}
161
162	53	static::clearDirectory($directory, $options);
163
164	53	if (is_link($directory)) {
165	2	self::unlink($directory);
166		} else {
167		/** @psalm-suppress InvalidArgument, MixedArgumentTypeCoercion */
168	53	set_error_handler(static function (int $errorNumber, string $errorString) use ($directory) {
169		throw new RuntimeException(
170		sprintf('Failed to remove directory "%s". ', $directory) . $errorString,
171		$errorNumber
172		);
173	53	});
174
175	53	rmdir($directory);
176
177	53	restore_error_handler();
178		}
179	53	}
180
181		/**
182		* Clear all directory content.
183		*
184		* @param string $directory The directory to be cleared.
185		* @param array $options Options for directory clear . Valid options are:
186		*
187		* - traverseSymlinks: boolean, whether symlinks to the directories should be traversed too.
188		* Defaults to `false`, meaning the content of the symlinked directory would not be deleted.
189		* Only symlink would be removed in that default case.
190		*
191		* @throws RuntimeException if unable to open directory.
192		*/
193	53	public static function clearDirectory(string $directory, array $options = []): void
194		{
195	53	$handle = static::openDirectory($directory);
196	53	if (!empty($options['traverseSymlinks']) \|\| !is_link($directory)) {
197	53	while (($file = readdir($handle)) !== false) {
198	53	if ($file === '.' \|\| $file === '..') {
199	53	continue;
200		}
201	38	$path = $directory . '/' . $file;
202	38	if (is_dir($path)) {
203	37	self::removeDirectory($path, $options);
204		} else {
205	28	self::unlink($path);
206		}
207		}
208	53	closedir($handle);
209		}
210	53	}
211
212		/**
213		* Removes a file or symlink in a cross-platform way.
214		*
215		* @param string $path Path to unlink.
216		*/
217	32	public static function unlink(string $path): void
218		{
219		/** @psalm-suppress InvalidArgument, MixedArgumentTypeCoercion */
220	32	set_error_handler(static function (int $errorNumber, string $errorString) use ($path) {
221	1	throw new RuntimeException(
222	1	sprintf('Failed to unlink "%s". ', $path) . $errorString,
223		$errorNumber
224		);
225	32	});
226
227	32	$isWindows = DIRECTORY_SEPARATOR === '\\';
228
229	32	if ($isWindows) {
230		if (is_link($path)) {
231		try {
232		unlink($path);
233		} catch (RuntimeException $e) {
234		rmdir($path);
235		}
236		} else {
237		if (file_exists($path) && !is_writable($path)) {
238		chmod($path, 0777);
239		}
240		unlink($path);
241		}
242		} else {
243	32	unlink($path);
244		}
245	31	restore_error_handler();
246	31	}
247
248		/**
249		* Tells whether the path is a empty directory.
250		*
251		* @param string $path Path to check for being an empty directory.
252		*
253		* @return bool
254		*/
255	1	public static function isEmptyDirectory(string $path): bool
256		{
257	1	if (!is_dir($path)) {
258	1	return false;
259		}
260
261	1	return !(new FilesystemIterator($path))->valid();
262		}
263
264		/**
265		* Copies a whole directory as another one.
266		*
267		* The files and sub-directories will also be copied over.
268		*
269		* @param string $source The source directory.
270		* @param string $destination The destination directory.
271		* @param array $options Options for directory copy. Valid options are:
272		*
273		* - dirMode: integer, the permission to be set for newly copied directories. Defaults to 0775.
274		* - fileMode: integer, the permission to be set for newly copied files. Defaults to the current environment
275		* setting.
276		* - filter: a filter to apply while copying files. It should be an instance of {@see PathMatcherInterface}.
277		* - recursive: boolean, whether the files under the subdirectories should also be copied. Defaults to true.
278		* - beforeCopy: callback, a PHP callback that is called before copying each sub-directory or file. If the callback
279		* returns false, the copy operation for the sub-directory or file will be cancelled. The signature of the
280		* callback should be: `function ($from, $to)`, where `$from` is the sub-directory or file to be copied from,
281		* while `$to` is the copy target.
282		* - afterCopy: callback, a PHP callback that is called after each sub-directory or file is successfully copied.
283		* The signature of the callback should be: `function ($from, $to)`, where `$from` is the sub-directory or file
284		* copied from, while `$to` is the copy target.
285		* - copyEmptyDirectories: boolean, whether to copy empty directories. Set this to false to avoid creating
286		* directories that do not contain files. This affects directories that do not contain files initially as well as
287		* directories that do not contain files at the target destination because files have been filtered via `only` or
288		* `except`. Defaults to true.
289		*
290		* @throws RuntimeException if unable to open directory
291		*
292		* @psalm-param array{
293		* dirMode?: int,
294		* fileMode?: int,
295		* filter?: \Yiisoft\Files\PathMatcher\PathMatcherInterface\|mixed,
296		* recursive?: bool,
297		* beforeCopy?: callable,
298		* afterCopy?: callable,
299		* copyEmptyDirectories?: bool,
300		* } $options
301		*/
302	12	public static function copyDirectory(string $source, string $destination, array $options = []): void
303		{
304	12	$filter = self::getFilter($options);
305	12	$recursive = !array_key_exists('recursive', $options) \|\| $options['recursive'];
306	12	$fileMode = $options['fileMode'] ?? null;
307	12	$dirMode = $options['dirMode'] ?? 0775;
308
309	12	$source = static::normalizePath($source);
310	12	$destination = static::normalizePath($destination);
311	12	$copyEmptyDirectories = !array_key_exists('copyEmptyDirectories', $options) \|\| $options['copyEmptyDirectories'];
312
313	12	static::assertNotSelfDirectory($source, $destination);
314
315	10	$destinationExists = is_dir($destination);
316	10	if (!$destinationExists && $copyEmptyDirectories) {
317	6	static::ensureDirectory($destination, $dirMode);
318	6	$destinationExists = true;
319		}
320
321	10	$handle = static::openDirectory($source);
322
323	9	if (!array_key_exists('basePath', $options)) {
324	9	$options['basePath'] = realpath($source);
325		}
326
327	9	while (($file = readdir($handle)) !== false) {
328	9	if ($file === '.' \|\| $file === '..') {
329	9	continue;
330		}
331
332	7	$from = $source . '/' . $file;
333	7	$to = $destination . '/' . $file;
334
335	7	if ($filter === null \|\| $filter->match($from)) {
336	7	if (is_file($from)) {
337	7	if (!$destinationExists) {
338	2	static::ensureDirectory($destination, $dirMode);
339	2	$destinationExists = true;
340		}
341	7	copy($from, $to);
342	7	if ($fileMode !== null) {
343	7	chmod($to, $fileMode);
344		}
345	6	} elseif ($recursive) {
346	5	static::copyDirectory($from, $to, $options);
347		}
348		}
349		}
350
351	9	closedir($handle);
352	9	}
353
354	22	private static function getFilter(array $options): ?PathMatcherInterface
355		{
356	22	if (!array_key_exists('filter', $options)) {
357	16	return null;
358		}
359
360	6	if (!$options['filter'] instanceof PathMatcherInterface) {
361		$type = is_object($options['filter']) ? get_class($options['filter']) : gettype($options['filter']);
362		throw new InvalidArgumentException(sprintf('Filter should be an instance of PathMatcherInterface, %s given.', $type));
363		}
364
365	6	return $options['filter'];
366		}
367
368		/**
369		* Assert that destination is not within the source directory.
370		*
371		* @param string $source Path to source.
372		* @param string $destination Path to destination.
373		*
374		* @throws InvalidArgumentException
375		*/
376	12	private static function assertNotSelfDirectory(string $source, string $destination): void
377		{
378	12	if ($source === $destination \|\| strpos($destination, $source . '/') === 0) {
379	2	throw new InvalidArgumentException('Trying to copy a directory to itself or a subdirectory.');
380		}
381	10	}
382
383		/**
384		* Open directory handle.
385		*
386		* @param string $directory Path to directory.
387		*
388		* @throws RuntimeException if unable to open directory.
389		* @throws InvalidArgumentException if argument is not a directory.
390		*
391		* @return resource
392		*/
393	53	private static function openDirectory(string $directory)
394		{
395	53	if (!file_exists($directory)) {
396	3	throw new InvalidArgumentException("\"$directory\" does not exist.");
397		}
398
399	53	if (!is_dir($directory)) {
400	1	throw new InvalidArgumentException("\"$directory\" is not a directory.");
401		}
402
403		/** @psalm-suppress InvalidArgument, MixedArgumentTypeCoercion */
404	53	set_error_handler(static function (int $errorNumber, string $errorString) use ($directory) {
405		throw new RuntimeException(
406		sprintf('Unable to open directory "%s". ', $directory) . $errorString,
407		$errorNumber
408		);
409	53	});
410
411	53	$handle = opendir($directory);
412
413	53	if ($handle === false) {
414		throw new RuntimeException(sprintf('Unable to open directory "%s". ', $directory));
415		}
416
417	53	restore_error_handler();
418
419	53	return $handle;
420		}
421
422		/**
423		* Returns the last modification time for the given paths.
424		*
425		* If the path is a directory, any nested files/directories will be checked as well.
426		*
427		* @param string ...$paths The directories to be checked.
428		*
429		* @throws LogicException If path is not set.
430		*
431		* @return int Unix timestamp representing the last modification time.
432		*/
433	2	public static function lastModifiedTime(string ...$paths): int
434		{
435	2	if (empty($paths)) {
436	1	throw new LogicException('Path is required.');
437		}
438
439	1	$times = [];
440
441	1	foreach ($paths as $path) {
442	1	$times[] = static::modifiedTime($path);
443
444	1	if (is_file($path)) {
445	1	continue;
446		}
447
448		/** @var iterable<string, string> $iterator */
449	1	$iterator = new RecursiveIteratorIterator(
450	1	new RecursiveDirectoryIterator($path, FilesystemIterator::SKIP_DOTS),
451	1	RecursiveIteratorIterator::SELF_FIRST
452		);
453
454	1	foreach ($iterator as $p => $info) {
455	1	$times[] = static::modifiedTime($p);
456		}
457		}
458
459		/** @psalm-suppress ArgumentTypeCoercion */
460	1	return max($times);
461		}
462
463	1	private static function modifiedTime(string $path): int
464		{
465	1	return (int)filemtime($path);
466		}
467
468		/**
469		* Returns the directories found under the specified directory and subdirectories.
470		*
471		* @param string $directory The directory under which the files will be looked for.
472		* @param array $options Options for directory searching. Valid options are:
473		*
474		* - filter: a filter to apply while looked directories. It should be an instance of {@see PathMatcherInterface}.
475		* - recursive: boolean, whether the subdirectories should also be looked for. Defaults to `true`.
476		*
477		* @psalm-param array{
478		* filter?: \Yiisoft\Files\PathMatcher\PathMatcherInterface\|mixed,
479		* recursive?: bool,
480		* } $options
481		*
482		* @throws InvalidArgumentException If the directory is invalid.
483		*
484		* @return string[] Directories found under the directory specified, in no particular order.
485		* Ordering depends on the file system used.
486		*/
487	5	public static function findDirectories(string $directory, array $options = []): array
488		{
489	5	$filter = self::getFilter($options);
490	5	$recursive = !array_key_exists('recursive', $options) \|\| $options['recursive'];
491	5	$directory = static::normalizePath($directory);
492
493	5	$result = [];
494
495	5	$handle = static::openDirectory($directory);
496	4	while (false !== $file = readdir($handle)) {
497	4	if ($file === '.' \|\| $file === '..') {
498	4	continue;
499		}
500
501	4	$path = $directory . '/' . $file;
502	4	if (is_file($path)) {
503	3	continue;
504		}
505
506	4	if ($filter === null \|\| $filter->match($path)) {
507	4	$result[] = $path;
508		}
509
510	4	if ($recursive) {
511	3	$result = array_merge($result, static::findDirectories($path, $options));
512		}
513		}
514	4	closedir($handle);
515
516	4	return $result;
517		}
518
519		/**
520		* Returns the files found under the specified directory and subdirectories.
521		*
522		* @param string $directory The directory under which the files will be looked for.
523		* @param array $options Options for file searching. Valid options are:
524		*
525		* - filter: a filter to apply while looked files. It should be an instance of {@see PathMatcherInterface}.
526		* - recursive: boolean, whether the files under the subdirectories should also be looked for. Defaults to `true`.
527		*
528		* @psalm-param array{
529		* filter?: \Yiisoft\Files\PathMatcher\PathMatcherInterface\|mixed,
530		* recursive?: bool,
531		* } $options
532		*
533		* @throws InvalidArgumentException If the directory is invalid.
534		*
535		* @return array Files found under the directory specified, in no particular order.
536		* Ordering depends on the files system used.
537		*/
538	5	public static function findFiles(string $directory, array $options = []): array
539		{
540	5	$filter = self::getFilter($options);
541	5	$recursive = !array_key_exists('recursive', $options) \|\| $options['recursive'];
542
543	5	$directory = static::normalizePath($directory);
544
545	5	$result = [];
546
547	5	$handle = static::openDirectory($directory);
548	4	while (false !== $file = readdir($handle)) {
549	4	if ($file === '.' \|\| $file === '..') {
550	4	continue;
551		}
552
553	4	$path = $directory . '/' . $file;
554
555	4	if (is_file($path)) {
556	4	if ($filter === null \|\| $filter->match($path)) {
557	4	$result[] = $path;
558		}
559	4	continue;
560		}
561
562	4	if ($recursive) {
563	3	$result = array_merge($result, static::findFiles($path, $options));
564		}
565		}
566	4	closedir($handle);
567
568	4	return $result;
569		}
570		}
571

yiisoft / files

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