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| 1 | <?php |
| 2 | declare(strict_types=1); |
| 3 | /** |
| 4 | * Pop PHP Framework (https://www.popphp.org/) |
| 5 | * |
| 6 | * @link https://github.com/popphp/popphp-framework |
| 7 | * @author Nick Sagona, III <nick@popphp.org> |
| 8 | * @copyright Copyright (c) 2009-2026 Nick Sagona, III |
| 9 | * @license https://www.popphp.org/license New BSD License |
| 10 | */ |
| 11 | |
| 12 | /** |
| 13 | * @namespace |
| 14 | */ |
| 15 | namespace Pop\Dir; |
| 16 | |
| 17 | use ArrayIterator; |
| 18 | use DirectoryIterator; |
| 19 | use RecursiveIteratorIterator; |
| 20 | use RecursiveDirectoryIterator; |
| 21 | |
| 22 | /** |
| 23 | * Directory class |
| 24 | * |
| 25 | * @category Pop |
| 26 | * @package Pop\Dir |
| 27 | * @author Nick Sagona, III <nick@popphp.org> |
| 28 | * @copyright Copyright (c) 2009-2026 Nick Sagona, III |
| 29 | * @license https://www.popphp.org/license New BSD License |
| 30 | * @version 5.0.0 |
| 31 | */ |
| 32 | class Dir implements \ArrayAccess, \Countable, \IteratorAggregate |
| 33 | { |
| 34 | |
| 35 | /** |
| 36 | * The directory path |
| 37 | * @var ?string |
| 38 | */ |
| 39 | protected ?string $path = null; |
| 40 | |
| 41 | /** |
| 42 | * The files within the directory |
| 43 | * @var array |
| 44 | */ |
| 45 | protected array $files = []; |
| 46 | |
| 47 | /** |
| 48 | * The nested tree map of the directory and its files |
| 49 | * @var array |
| 50 | */ |
| 51 | protected array $tree = []; |
| 52 | |
| 53 | /** |
| 54 | * Flag to store the absolute path. |
| 55 | * @var bool |
| 56 | */ |
| 57 | protected bool $absolute = false; |
| 58 | |
| 59 | /** |
| 60 | * Flag to store the relative path. |
| 61 | * @var bool |
| 62 | */ |
| 63 | protected bool $relative = false; |
| 64 | |
| 65 | /** |
| 66 | * Flag to dig recursively. |
| 67 | * @var bool |
| 68 | */ |
| 69 | protected bool $recursive = false; |
| 70 | |
| 71 | /** |
| 72 | * Flag to include only files and no directories |
| 73 | * @var bool |
| 74 | */ |
| 75 | protected bool $filesOnly = false; |
| 76 | |
| 77 | /** |
| 78 | * Flag set once the initial traversal has completed |
| 79 | * @var bool |
| 80 | */ |
| 81 | protected bool $initialized = false; |
| 82 | |
| 83 | /** |
| 84 | * Constructor |
| 85 | * |
| 86 | * Instantiate a directory object |
| 87 | * |
| 88 | * @param string $dir |
| 89 | * @param array $options |
| 90 | * @throws Exception |
| 91 | */ |
| 92 | public function __construct(string $dir, array $options = []) |
| 93 | { |
| 94 | // Set the directory path. |
| 95 | if ((str_contains($dir, "\\")) && (DIRECTORY_SEPARATOR != "\\")) { |
| 96 | $this->path = str_replace("\\", '/', $dir); |
| 97 | } else { |
| 98 | $this->path = $dir; |
| 99 | } |
| 100 | |
| 101 | // Check to see if the directory exists. |
| 102 | if (!file_exists($this->path)) { |
| 103 | throw new Exception("Error: The directory '" . $this->path . "' does not exist"); |
| 104 | } |
| 105 | |
| 106 | // Trim the trailing slash. |
| 107 | if (strrpos($this->path, DIRECTORY_SEPARATOR) == (strlen($this->path) - 1)) { |
| 108 | $this->path = substr($this->path, 0, -1); |
| 109 | } |
| 110 | |
| 111 | if (isset($options['absolute'])) { |
| 112 | $this->setAbsolute($options['absolute']); |
| 113 | } |
| 114 | if (isset($options['relative'])) { |
| 115 | $this->setRelative($options['relative']); |
| 116 | } |
| 117 | if (isset($options['recursive'])) { |
| 118 | $this->setRecursive($options['recursive']); |
| 119 | } |
| 120 | if (isset($options['filesOnly'])) { |
| 121 | $this->setFilesOnly($options['filesOnly']); |
| 122 | } |
| 123 | |
| 124 | $this->initialized = true; |
| 125 | $this->rebuild(); |
| 126 | } |
| 127 | |
| 128 | /** |
| 129 | * Rebuild the tree and the flat file list from scratch |
| 130 | * |
| 131 | * @throws Exception |
| 132 | * @return void |
| 133 | */ |
| 134 | protected function rebuild(): void |
| 135 | { |
| 136 | $this->tree = []; |
| 137 | $this->files = []; |
| 138 | |
| 139 | try { |
| 140 | $rootRealPath = realpath($this->path); |
| 141 | $this->tree[$rootRealPath] = $this->walkDirectory($this->path, $rootRealPath); |
| 142 | } catch (\UnexpectedValueException $e) { |
| 143 | throw new Exception($e->getMessage(), (int)$e->getCode(), $e); |
| 144 | } |
| 145 | } |
| 146 | |
| 147 | /** |
| 148 | * Method to get the count of files in the directory |
| 149 | * |
| 150 | * @return int |
| 151 | */ |
| 152 | public function count(): int |
| 153 | { |
| 154 | return count($this->files); |
| 155 | } |
| 156 | |
| 157 | /** |
| 158 | * Method to iterate over the files |
| 159 | * |
| 160 | * @return ArrayIterator |
| 161 | */ |
| 162 | public function getIterator(): ArrayIterator |
| 163 | { |
| 164 | return new ArrayIterator($this->files); |
| 165 | } |
| 166 | |
| 167 | /** |
| 168 | * Set absolute |
| 169 | * |
| 170 | * @param bool $absolute |
| 171 | * @return Dir |
| 172 | */ |
| 173 | public function setAbsolute(bool $absolute): Dir |
| 174 | { |
| 175 | $this->absolute = $absolute; |
| 176 | if (($this->absolute) && ($this->isRelative())) { |
| 177 | $this->relative = false; |
| 178 | } |
| 179 | if ($this->initialized) { |
| 180 | $this->rebuild(); |
| 181 | } |
| 182 | return $this; |
| 183 | } |
| 184 | |
| 185 | /** |
| 186 | * Set relative |
| 187 | * |
| 188 | * @param bool $relative |
| 189 | * @return Dir |
| 190 | */ |
| 191 | public function setRelative(bool $relative): Dir |
| 192 | { |
| 193 | $this->relative = $relative; |
| 194 | if (($this->relative) && ($this->isAbsolute())) { |
| 195 | $this->absolute = false; |
| 196 | } |
| 197 | if ($this->initialized) { |
| 198 | $this->rebuild(); |
| 199 | } |
| 200 | return $this; |
| 201 | } |
| 202 | |
| 203 | /** |
| 204 | * Set recursive |
| 205 | * |
| 206 | * @param bool $recursive |
| 207 | * @return Dir |
| 208 | */ |
| 209 | public function setRecursive(bool $recursive): Dir |
| 210 | { |
| 211 | $this->recursive = $recursive; |
| 212 | if ($this->initialized) { |
| 213 | $this->rebuild(); |
| 214 | } |
| 215 | return $this; |
| 216 | } |
| 217 | |
| 218 | /** |
| 219 | * Set files only |
| 220 | * |
| 221 | * @param bool $filesOnly |
| 222 | * @return Dir |
| 223 | */ |
| 224 | public function setFilesOnly(bool $filesOnly): Dir |
| 225 | { |
| 226 | $this->filesOnly = $filesOnly; |
| 227 | if ($this->initialized) { |
| 228 | $this->rebuild(); |
| 229 | } |
| 230 | return $this; |
| 231 | } |
| 232 | |
| 233 | /** |
| 234 | * Is absolute |
| 235 | * |
| 236 | * @return bool |
| 237 | */ |
| 238 | public function isAbsolute(): bool |
| 239 | { |
| 240 | return $this->absolute; |
| 241 | } |
| 242 | |
| 243 | /** |
| 244 | * Is relative |
| 245 | * |
| 246 | * @return bool |
| 247 | */ |
| 248 | public function isRelative(): bool |
| 249 | { |
| 250 | return $this->relative; |
| 251 | } |
| 252 | |
| 253 | /** |
| 254 | * Is recursive |
| 255 | * |
| 256 | * @return bool |
| 257 | */ |
| 258 | public function isRecursive(): bool |
| 259 | { |
| 260 | return $this->recursive; |
| 261 | } |
| 262 | |
| 263 | /** |
| 264 | * Is files only |
| 265 | * |
| 266 | * @return bool |
| 267 | */ |
| 268 | public function isFilesOnly(): bool |
| 269 | { |
| 270 | return $this->filesOnly; |
| 271 | } |
| 272 | |
| 273 | /** |
| 274 | * Get the path |
| 275 | * |
| 276 | * @return string|null |
| 277 | */ |
| 278 | public function getPath(): string|null |
| 279 | { |
| 280 | return $this->path; |
| 281 | } |
| 282 | |
| 283 | /** |
| 284 | * Get the files |
| 285 | * |
| 286 | * @return array |
| 287 | */ |
| 288 | public function getFiles(): array |
| 289 | { |
| 290 | return $this->files; |
| 291 | } |
| 292 | |
| 293 | /** |
| 294 | * Get the tree |
| 295 | * |
| 296 | * @return array |
| 297 | */ |
| 298 | public function getTree(): array |
| 299 | { |
| 300 | return $this->tree; |
| 301 | } |
| 302 | |
| 303 | /** |
| 304 | * Copy an entire directory recursively to another destination directory |
| 305 | * |
| 306 | * @param string $destination |
| 307 | * @param bool $full |
| 308 | * @throws Exception |
| 309 | * @return void |
| 310 | */ |
| 311 | public function copyTo(string $destination, bool $full = true): void |
| 312 | { |
| 313 | if (!is_dir($destination)) { |
| 314 | throw new Exception('Error: The destination path "' . $destination . '" does not exist'); |
| 315 | } |
| 316 | |
| 317 | if ($full) { |
| 318 | $folder = basename($this->path); |
| 319 | |
| 320 | if (!file_exists($destination . DIRECTORY_SEPARATOR . $folder)) { |
| 321 | mkdir($destination . DIRECTORY_SEPARATOR . $folder); |
| 322 | } |
| 323 | $destination = $destination . DIRECTORY_SEPARATOR . $folder; |
| 324 | } |
| 325 | |
| 326 | foreach ( |
| 327 | $iterator = new RecursiveIteratorIterator( |
| 328 | new RecursiveDirectoryIterator($this->path, RecursiveDirectoryIterator::SKIP_DOTS), |
| 329 | RecursiveIteratorIterator::SELF_FIRST) as $item |
| 330 | ) { |
| 331 | if ($item->isDir()) { |
| 332 | mkdir($destination . DIRECTORY_SEPARATOR . $iterator->getSubPathName()); |
| 333 | } else { |
| 334 | copy($item->getPathname(), $destination . DIRECTORY_SEPARATOR . $iterator->getSubPathName()); |
| 335 | } |
| 336 | } |
| 337 | } |
| 338 | |
| 339 | /** |
| 340 | * File exists |
| 341 | * |
| 342 | * @param string $file |
| 343 | * @return bool |
| 344 | */ |
| 345 | public function fileExists(string $file): bool |
| 346 | { |
| 347 | return $this->offsetExists($file); |
| 348 | } |
| 349 | |
| 350 | /** |
| 351 | * Delete a file |
| 352 | * |
| 353 | * @param string $file |
| 354 | * @throws Exception |
| 355 | * @return void |
| 356 | */ |
| 357 | public function deleteFile(string $file): void |
| 358 | { |
| 359 | $this->offsetUnset($file); |
| 360 | } |
| 361 | |
| 362 | /** |
| 363 | * Empty an entire directory |
| 364 | * |
| 365 | * By default, symlinked subdirectories are not followed — a symlink entry is |
| 366 | * removed as a link (its target's contents are left untouched), matching the |
| 367 | * non-descending behavior of walkDirectory()/copyTo(). Pass $followSymlinks |
| 368 | * as true to recurse into and delete the contents a symlinked directory points to. |
| 369 | * |
| 370 | * @param bool $remove |
| 371 | * @param ?string $path |
| 372 | * @param bool $followSymlinks |
| 373 | * @throws Exception |
| 374 | * @return void |
| 375 | */ |
| 376 | public function emptyDir(bool $remove = false, ?string $path = null, bool $followSymlinks = false): void |
| 377 | { |
| 378 | if ($path === null) { |
| 379 | $path = $this->path; |
| 380 | } |
| 381 | |
| 382 | // Get a directory handle. |
| 383 | if (!($dh = @opendir($path))) { |
| 384 | throw new Exception('Error: Unable to open the directory path "' . $path . '"'); |
| 385 | } |
| 386 | |
| 387 | // Recursively dig through the directory, deleting files where applicable. |
| 388 | while (false !== ($obj = readdir($dh))) { |
| 389 | if ($obj == '.' || $obj == '..') { |
| 390 | continue; |
| 391 | } |
| 392 | $item = $path . DIRECTORY_SEPARATOR . $obj; |
| 393 | if (is_dir($item) && (!is_link($item) || $followSymlinks)) { |
| 394 | $this->emptyDir(true, $item, $followSymlinks); |
| 395 | } else if (!@unlink($item)) { |
| 396 | throw new Exception('Error: Unable to delete the file "' . $item . '"'); |
| 397 | } |
| 398 | } |
| 399 | |
| 400 | // Close the directory handle. |
| 401 | closedir($dh); |
| 402 | |
| 403 | // If the delete flag was passed, remove the top level directory. |
| 404 | if ($remove) { |
| 405 | @rmdir($path); |
| 406 | } |
| 407 | } |
| 408 | |
| 409 | /** |
| 410 | * Get a file |
| 411 | * |
| 412 | * @param string $name |
| 413 | * @return mixed |
| 414 | */ |
| 415 | public function __get(string $name): mixed |
| 416 | { |
| 417 | return $this->offsetGet($name); |
| 418 | } |
| 419 | |
| 420 | /** |
| 421 | * Does file exist |
| 422 | * |
| 423 | * @param string $name |
| 424 | * @return bool |
| 425 | */ |
| 426 | public function __isset(string $name): bool |
| 427 | { |
| 428 | return $this->offsetExists($name); |
| 429 | } |
| 430 | |
| 431 | /** |
| 432 | * Set method |
| 433 | * |
| 434 | * @param string $name |
| 435 | * @param mixed $value |
| 436 | * @throws Exception |
| 437 | * @return void |
| 438 | */ |
| 439 | public function __set(string $name, mixed $value): void |
| 440 | { |
| 441 | $this->offsetSet($name, $value); |
| 442 | } |
| 443 | |
| 444 | /** |
| 445 | * Unset method |
| 446 | * |
| 447 | * @param string $name |
| 448 | * @throws Exception |
| 449 | * @return void |
| 450 | */ |
| 451 | public function __unset(string $name): void |
| 452 | { |
| 453 | $this->offsetUnset($name); |
| 454 | } |
| 455 | |
| 456 | /** |
| 457 | * Resolve an ArrayAccess offset to its numeric index within $files. |
| 458 | * |
| 459 | * Accepts either a numeric index or a file/directory name; a non-numeric |
| 460 | * offset that doesn't match any entry name is returned unchanged (and will |
| 461 | * simply miss the isset()/existence check that follows). |
| 462 | * |
| 463 | * @param mixed $offset |
| 464 | * @return mixed |
| 465 | */ |
| 466 | protected function resolveOffset(mixed $offset): mixed |
| 467 | { |
| 468 | if (!is_numeric($offset)) { |
| 469 | $found = array_search($offset, $this->files); |
| 470 | if ($found !== false) { |
| 471 | $offset = $found; |
| 472 | } |
| 473 | } |
| 474 | return $offset; |
| 475 | } |
| 476 | |
| 477 | /** |
| 478 | * ArrayAccess offsetExists |
| 479 | * |
| 480 | * @param mixed $offset |
| 481 | * @return bool |
| 482 | */ |
| 483 | public function offsetExists(mixed $offset): bool |
| 484 | { |
| 485 | $offset = $this->resolveOffset($offset); |
| 486 | return isset($this->files[$offset]); |
| 487 | } |
| 488 | |
| 489 | /** |
| 490 | * ArrayAccess offsetGet |
| 491 | * |
| 492 | * @param mixed $offset |
| 493 | * @return mixed |
| 494 | */ |
| 495 | public function offsetGet(mixed $offset): mixed |
| 496 | { |
| 497 | $offset = $this->resolveOffset($offset); |
| 498 | return (isset($this->files[$offset])) ? $this->files[$offset] : null; |
| 499 | } |
| 500 | |
| 501 | /** |
| 502 | * ArrayAccess offsetSet |
| 503 | * |
| 504 | * @param mixed $offset |
| 505 | * @param mixed $value |
| 506 | * @throws Exception |
| 507 | * @return void |
| 508 | */ |
| 509 | public function offsetSet(mixed $offset, mixed $value): void |
| 510 | { |
| 511 | throw new Exception('Error: The directory object is read-only'); |
| 512 | } |
| 513 | |
| 514 | /** |
| 515 | * ArrayAccess offsetUnset |
| 516 | * |
| 517 | * @param mixed $offset |
| 518 | * @throws Exception |
| 519 | * @return void |
| 520 | */ |
| 521 | public function offsetUnset(mixed $offset): void |
| 522 | { |
| 523 | $offset = $this->resolveOffset($offset); |
| 524 | if (isset($this->files[$offset])) { |
| 525 | if (is_dir($this->path . DIRECTORY_SEPARATOR . $this->files[$offset])) { |
| 526 | throw new Exception("Error: The file '" . $this->path . DIRECTORY_SEPARATOR . $this->files[$offset] . "' is a directory"); |
| 527 | } else if (!file_exists($this->path . DIRECTORY_SEPARATOR . $this->files[$offset])) { |
| 528 | throw new Exception("Error: The file '" . $this->path . DIRECTORY_SEPARATOR . $this->files[$offset] . "' does not exist"); |
| 529 | } else if (!is_writable($this->path . DIRECTORY_SEPARATOR . $this->files[$offset])) { |
| 530 | throw new Exception("Error: The file '" . $this->path . DIRECTORY_SEPARATOR . $this->files[$offset] . "' is read-only"); |
| 531 | } else { |
| 532 | unlink($this->path . DIRECTORY_SEPARATOR . $this->files[$offset]); |
| 533 | unset($this->files[$offset]); |
| 534 | } |
| 535 | } else { |
| 536 | throw new Exception("Error: The file does not exist"); |
| 537 | } |
| 538 | } |
| 539 | |
| 540 | /** |
| 541 | * Walk a directory in a single filesystem pass, building this level's tree |
| 542 | * entry (returned) and appending resolved flat $files entries as a side effect. |
| 543 | * One shared walk backs both getTree() and getFiles()/iteration, instead of |
| 544 | * each being built by a separate traversal of the same directory. |
| 545 | * |
| 546 | * @param string $path |
| 547 | * @param string|false $rootRealPath |
| 548 | * @return array |
| 549 | */ |
| 550 | protected function walkDirectory(string $path, string|false $rootRealPath): array |
| 551 | { |
| 552 | $tree = []; |
| 553 | |
| 554 | foreach (new DirectoryIterator($path) as $fileInfo) { |
| 555 | if ($fileInfo->isDot()) { |
| 556 | continue; |
| 557 | } |
| 558 | |
| 559 | $name = $fileInfo->getBasename(); |
| 560 | $isDir = $fileInfo->isDir(); |
| 561 | |
| 562 | $absolutePath = $this->recursive ? |
| 563 | realpath($fileInfo->getPathname()) : |
| 564 | ($isDir ? |
| 565 | ($path . DIRECTORY_SEPARATOR . $name . DIRECTORY_SEPARATOR) : |
| 566 | ($path . DIRECTORY_SEPARATOR . $name)); |
| 567 | |
| 568 | $entry = $this->resolveEntry($fileInfo, $absolutePath, $rootRealPath); |
| 569 | if ($entry !== null) { |
| 570 | $this->files[] = $entry; |
| 571 | } |
| 572 | |
| 573 | if ($isDir) { |
| 574 | if ($this->recursive && !$fileInfo->isLink()) { |
| 575 | $tree[DIRECTORY_SEPARATOR . $name] = $this->walkDirectory($fileInfo->getPathname(), $rootRealPath); |
| 576 | } else { |
| 577 | $tree[DIRECTORY_SEPARATOR . $name] = []; |
| 578 | } |
| 579 | } else { |
| 580 | $tree[] = $name; |
| 581 | } |
| 582 | } |
| 583 | |
| 584 | return $tree; |
| 585 | } |
| 586 | |
| 587 | /** |
| 588 | * Resolve the stored value for a walked file/directory entry, honoring the |
| 589 | * absolute/relative/filesOnly flags. |
| 590 | * |
| 591 | * @param \SplFileInfo $fileInfo |
| 592 | * @param string|false $absolutePath |
| 593 | * @param string|false $rootRealPath |
| 594 | * @return ?string |
| 595 | */ |
| 596 | protected function resolveEntry(\SplFileInfo $fileInfo, string|false $absolutePath, string|false $rootRealPath): ?string |
| 597 | { |
| 598 | if ($this->filesOnly && $fileInfo->isDir()) { |
| 599 | return null; |
| 600 | } |
| 601 | |
| 602 | if ($this->absolute) { |
| 603 | return ($absolutePath !== false) ? $absolutePath : null; |
| 604 | } else if ($this->relative) { |
| 605 | return ($absolutePath !== false && $rootRealPath !== false) ? |
| 606 | substr($absolutePath, (strlen($rootRealPath) + 1)) : null; |
| 607 | } |
| 608 | |
| 609 | return $fileInfo->getFilename(); |
| 610 | } |
| 611 | |
| 612 | } |