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k-holy/SplFileInfoTest.php

Last active August 29, 2015 14:05
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Windowsで末尾に5Cを含むファイルの扱いを検証
Raw
splfileinfo.test.php
<?php
namespace Acme;
define('OS_IS_WIN', (strncasecmp(PHP_OS, 'WIN', 3) === 0));
setlocale(LC_ALL, OS_IS_WIN ? 'Japanese_Japan.932' : 'ja_JP.UTF-8');
$LC_ALL = setlocale(LC_ALL, 0);
class U
{
public static function H($data, $default=null)
{
$var = $default;
if (isset($data)) {
if (is_bool($data)) {
$var = ($data) ? 'TRUE' : 'FALSE';
} else {
if (OS_IS_WIN) {
$data = mb_convert_encoding($data, 'UTF-8', 'CP932');
}
$var = htmlspecialchars($data, ENT_QUOTES, 'UTF-8');
}
}
return $var;
}
}
$files = array();
// 日本語(非5C)のファイル
$path = __DIR__ . DIRECTORY_SEPARATOR . '日本語.txt';
if (OS_IS_WIN) {
$path = mb_convert_encoding($path, 'CP932', 'UTF-8');
}
$files['日本語(非5C)のファイル'] = new \SplFileInfo($path);
// 日本語(非5C)のディレクトリ
$path = __DIR__ . DIRECTORY_SEPARATOR . '日本語';
if (OS_IS_WIN) {
$path = mb_convert_encoding($path, 'CP932', 'UTF-8');
}
$files['日本語(非5C)のディレクトリ '] = new \SplFileInfo($path);
// 日本語(非5C)のディレクトリをパスに含むファイル
$path = __DIR__ . DIRECTORY_SEPARATOR . '日本語' . DIRECTORY_SEPARATOR . 'test.txt';
if (OS_IS_WIN) {
$path = mb_convert_encoding($path, 'CP932', 'UTF-8');
}
$files['日本語(非5C)のディレクトリをパスに含むファイル '] = new \SplFileInfo($path);
// 日本語(5C)のファイル
$path = __DIR__ . DIRECTORY_SEPARATOR . '表.txt';
if (OS_IS_WIN) {
$path = mb_convert_encoding($path, 'CP932', 'UTF-8');
}
$files['日本語(5C)のファイル'] = new \SplFileInfo($path);
// 日本語(5C)のディレクトリ
$path = __DIR__ . DIRECTORY_SEPARATOR . '表';
if (OS_IS_WIN) {
$path = mb_convert_encoding($path, 'CP932', 'UTF-8');
}
$files['日本語(5C)のディレクトリ'] = new \SplFileInfo($path);
// 日本語(5C)のディレクトリをパスに含むファイル
$path = __DIR__ . DIRECTORY_SEPARATOR . '表' . DIRECTORY_SEPARATOR . 'test.txt';
if (OS_IS_WIN) {
$path = mb_convert_encoding($path, 'CP932', 'UTF-8');
}
$files['日本語(5C)のディレクトリをパスに含むファイル '] = new \SplFileInfo($path);
?>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8" />
<meta name="robots" content="noindex,nofollow" />
<style type="text/css">
body {font-family:monospace;}
table {
width:80%;
border-collapse:collapse;
margin:10px 0px;
}
caption {
text-align:left;
font-size:120%;
font-weight:bold;
}
th, td {
text-align:left;
padding:2px;
border:solid 1px #999999;
}
th {
width:25em;
}
</style>
<title>SplFileInfo @<?=U::H($_SERVER['HTTP_HOST'])?></title>
</head>
<body>
<h1><?=U::H(PHP_OS)?>(<?=OS_IS_WIN ? 'Windows' : 'Not Windows'?>)</h1>
<h2><?=U::H($LC_ALL)?></h2>
<?php foreach ($files as $k => $file) : ?>
<table>
<caption><h3><?=$k?></h3></caption>
<tr>
<th>SplFileInfo::getPathname()</th>
<td><?=U::H($file->getPathname())?></td>
</tr>
<tr>
<th>SplFileInfo::getPath()</th>
<td><?=U::H($file->getPath())?></td>
</tr>
<tr>
<th>SplFileInfo::getFilename()</th>
<td><?=U::H($file->getFilename())?></td>
</tr>
<tr>
<th>SplFileInfo::getBasename()</th>
<td><?=U::H($file->getBasename())?></td>
</tr>
<tr>
<th>SplFileInfo::getExtension()</th>
<td><?=U::H(method_exists($file, 'getExtension') ? $file->getExtension() : 'METHOD IS NOT EXISTS')?></td>
</tr>
<tr>
<th>dirname($file)</th>
<td><?=U::H(dirname((string)$file))?></td>
</tr>
<tr>
<th>basename($file)</th>
<td><?=U::H(basename((string)$file))?></td>
</tr>
<tr>
<th>pathinfo($file, PATHINFO_DIRNAME)</th>
<td><?=U::H(pathinfo((string)$file, PATHINFO_DIRNAME))?></td>
</tr>
<tr>
<th>pathinfo($file, PATHINFO_BASENAME)</th>
<td><?=U::H(pathinfo((string)$file, PATHINFO_BASENAME))?></td>
</tr>
<tr>
<th>pathinfo($file, PATHINFO_FILENAME)</th>
<td><?=U::H(pathinfo((string)$file, PATHINFO_FILENAME))?></td>
</tr>
<tr>
<th>pathinfo($file, PATHINFO_EXTENSION)</th>
<td><?=U::H(pathinfo((string)$file, PATHINFO_EXTENSION))?></td>
</tr>
<tr>
<th>SplFileInfo::getRealPath()</th>
<td><?=U::H($file->getRealPath())?></td>
</tr>
<tr>
<th>SplFileInfo::getType()</th>
<td><?php try{ echo U::H($file->getType()); }catch(\RuntimeException $e){ echo U::H($e->getMessage());}?></td>
</tr>
<tr>
<th>SplFileInfo::isDir()</th>
<td><?=U::H($file->isDir())?></td>
</tr>
<tr>
<th>SplFileInfo::isFile()</th>
<td><?=U::H($file->isFile())?></td>
</tr>
<tr>
<th>SplFileInfo::isReadable()</th>
<td><?=U::H($file->isReadable())?></td>
</tr>
<tr>
<th>SplFileInfo::getPathInfo()</th>
<td><?=U::H((string)$file->getPathInfo())?></td>
</tr>
<tr>
<th>SplFileInfo::__toString()</th>
<td><?=U::H((string)$file)?></td>
</tr>
</table>
<?php endforeach ?>
</body>
</html>
Raw
SplFileInfoTest.php
<?php
namespace Acme\Test;
class SplFileInfoTest extends \PHPUnit_Framework_TestCase
{
private $isWin;
private $testDir;
public function setUp()
{
$this->isWin = (strncasecmp(PHP_OS, 'WIN', 3) === 0);
$this->testDir = __DIR__ . DIRECTORY_SEPARATOR . 'SplFileInfoTest';
}
private function convert($path)
{
return mb_convert_encoding($path, 'CP932', 'UTF-8');
}
// 日本語(非5C)のファイル(Windows)
public function testJapaneseFileOnWindows()
{
if (!$this->isWin) {
$this->markTestSkipped('OS is not Windows');
}
$this->setLocale(LC_CTYPE, 'Japanese_Japan.932');
$path = $this->convert($this->testDir . DIRECTORY_SEPARATOR . '日本語.txt');
$fileInfo = new \SplFileInfo($path);
$pathinfo = pathinfo($path);
$this->assertEquals($path, $fileInfo->getRealPath());
$this->assertEquals($path, $fileInfo->getPathname());
$this->assertEquals($this->convert('日本語.txt'), $pathinfo['basename']);
$this->assertEquals($pathinfo['basename'], $fileInfo->getBasename());
$this->assertEquals($pathinfo['basename'], basename($path));
$this->assertEquals($this->testDir, $pathinfo['dirname']);
$this->assertEquals($pathinfo['dirname'], $fileInfo->getPath());
$this->assertEquals($pathinfo['dirname'], dirname($path));
$this->assertEquals( 'txt', $pathinfo['extension']);
$this->assertEquals($pathinfo['extension'], $fileInfo->getExtension());
$this->assertEquals('file', $fileInfo->getType());
$this->assertTrue($fileInfo->isFile());
$this->assertFalse($fileInfo->isDir());
}
// 日本語(非5C)のディレクトリ(Windows)
public function testJapaneseDirectoryOnWindows()
{
if (!$this->isWin) {
$this->markTestSkipped('OS is not Windows');
}
$this->setLocale(LC_CTYPE, 'Japanese_Japan.932');
$path = $this->convert($this->testDir . DIRECTORY_SEPARATOR . '日本語');
$fileInfo = new \SplFileInfo($path);
$pathinfo = pathinfo($path);
$this->assertEquals($path, $fileInfo->getRealPath());
$this->assertEquals($path, $fileInfo->getPathname());
$this->assertEquals($this->convert('日本語'), $pathinfo['basename']);
$this->assertEquals($pathinfo['basename'], $fileInfo->getBasename());
$this->assertEquals($pathinfo['basename'], basename($path));
$this->assertEquals($this->testDir, $pathinfo['dirname']);
$this->assertEquals($pathinfo['dirname'], $fileInfo->getPath());
$this->assertEquals($pathinfo['dirname'], dirname($path));
$this->assertArrayNotHasKey('extension', $pathinfo);
$this->assertEmpty($fileInfo->getExtension());
$this->assertEquals('dir', $fileInfo->getType());
$this->assertFalse($fileInfo->isFile());
$this->assertTrue($fileInfo->isDir());
}
// 日本語(非5C)のディレクトリをパスに含むファイル(Windows)
public function testFileIncludesJapaneseInPathOnWindows()
{
if (!$this->isWin) {
$this->markTestSkipped('OS is not Windows');
}
$this->setLocale(LC_CTYPE, 'Japanese_Japan.932');
$path = $this->convert($this->testDir . DIRECTORY_SEPARATOR . '日本語' . DIRECTORY_SEPARATOR . 'test.txt');
$fileInfo = new \SplFileInfo($path);
$pathinfo = pathinfo($path);
$this->assertEquals($path, $fileInfo->getRealPath());
$this->assertEquals($path, $fileInfo->getPathname());
$this->assertEquals('test.txt', $pathinfo['basename']);
$this->assertEquals($pathinfo['basename'], $fileInfo->getBasename());
$this->assertEquals($pathinfo['basename'], basename($path));
$this->assertNotEquals($this->convert($this->testDir . DIRECTORY_SEPARATOR . '日本語'), $pathinfo['dirname']); // !!
$this->assertNotEquals($pathinfo['dirname'], $fileInfo->getPath()); // !!
$this->assertEquals($pathinfo['dirname'], dirname($path));
$this->assertEquals('txt', $pathinfo['extension']);
$this->assertEquals($pathinfo['extension'], $fileInfo->getExtension());
$this->assertEquals('file', $fileInfo->getType());
$this->assertTrue($fileInfo->isFile());
$this->assertFalse($fileInfo->isDir());
}
// 日本語(5C)のファイル(Windows)
public function testJapaneseFileIncludes5cOnWindows()
{
if (!$this->isWin) {
$this->markTestSkipped('OS is not Windows');
}
$this->setLocale(LC_CTYPE, 'Japanese_Japan.932');
$path = $this->convert($this->testDir . DIRECTORY_SEPARATOR . '表.txt');
$fileInfo = new \SplFileInfo($path);
$pathinfo = pathinfo($path);
$this->assertFalse($fileInfo->getRealPath()); // !!
$this->assertEquals($path, $fileInfo->getPathname());
$this->assertEquals($this->convert('表.txt'), $pathinfo['basename']);
$this->assertNotEquals($pathinfo['basename'], $fileInfo->getBasename()); // !!
$this->assertEquals($pathinfo['basename'], basename($path));
$this->assertEquals($this->testDir, $pathinfo['dirname']);
$this->assertNotEquals($pathinfo['dirname'], $fileInfo->getPath()); // !!
$this->assertEquals($pathinfo['dirname'], dirname($path));
$this->assertEquals( 'txt', $pathinfo['extension']);
$this->assertEquals($pathinfo['extension'], $fileInfo->getExtension());
$this->assertEquals('file', $fileInfo->getType());
$this->assertFalse($fileInfo->isFile()); // !!
$this->assertFalse($fileInfo->isDir());
}
// 日本語(5C)のディレクトリ(Windows)
public function testJapaneseDirectoryIncludes5cOnWindows()
{
if (!$this->isWin) {
$this->markTestSkipped('OS is not Windows');
}
$this->setLocale(LC_CTYPE, 'Japanese_Japan.932');
$path = $this->convert($this->testDir . DIRECTORY_SEPARATOR . '表');
$fileInfo = new \SplFileInfo($path);
$pathinfo = pathinfo($path);
$this->assertFalse($fileInfo->getRealPath()); // !!
$this->assertNotEquals($path, $fileInfo->getPathname()); // !!
$this->assertEquals($this->convert('表'), $pathinfo['basename']);
$this->assertNotEquals($pathinfo['basename'], $fileInfo->getBasename()); // !!
$this->assertEquals($pathinfo['basename'], basename($path));
$this->assertEquals($this->testDir, $pathinfo['dirname']);
$this->assertEquals($pathinfo['dirname'], $fileInfo->getPath());
$this->assertEquals($pathinfo['dirname'], dirname($path));
$this->assertArrayNotHasKey('extension', $pathinfo);
$this->assertEmpty($fileInfo->getExtension());
$this->assertEquals('dir', $fileInfo->getType());
$this->assertFalse($fileInfo->isFile());
$this->assertFalse($fileInfo->isDir()); // !!
}
// 日本語(5C)のディレクトリをパスに含むファイル(Windows)
public function testFileIncludesJapaneseIncludes5cInPathOnWindows()
{
if (!$this->isWin) {
$this->markTestSkipped('OS is not Windows');
}
$this->setLocale(LC_CTYPE, 'Japanese_Japan.932');
$path = $this->convert($this->testDir . DIRECTORY_SEPARATOR . '表' . DIRECTORY_SEPARATOR . 'test.txt');
$fileInfo = new \SplFileInfo($path);
$pathinfo = pathinfo($path);
$this->assertFalse($fileInfo->getRealPath()); // !!
$this->assertEquals($path, $fileInfo->getPathname());
$this->assertEquals('test.txt', $pathinfo['basename']);
$this->assertEquals($pathinfo['basename'], $fileInfo->getBasename());
$this->assertEquals($pathinfo['basename'], basename($path));
$this->assertEquals($this->convert($this->testDir . DIRECTORY_SEPARATOR . '表'), $pathinfo['dirname']);
$this->assertEquals($pathinfo['dirname'], $fileInfo->getPath());
$this->assertEquals($pathinfo['dirname'], dirname($path));
$this->assertEquals('txt', $pathinfo['extension']);
$this->assertEquals($pathinfo['extension'], $fileInfo->getExtension());
try {
$this->assertEquals('file', $fileInfo->getType());
} catch (\RuntimeException $e) {
$this->assertStringStartsWith('SplFileInfo::getType(): Lstat failed', $e->getMessage()); // !!
}
$this->assertFalse($fileInfo->isFile()); // !!
$this->assertFalse($fileInfo->isDir());
}
// 日本語のファイル(非Windows)
public function testJapaneseFile()
{
if ($this->isWin) {
$this->markTestSkipped('OS is Windows');
}
$this->setLocale(LC_CTYPE, 'ja_JP.UTF-8');
$path = $this->testDir . DIRECTORY_SEPARATOR . '日本語.txt';
$fileInfo = new \SplFileInfo($path);
$pathinfo = pathinfo($path);
$this->assertEquals($path, $fileInfo->getRealPath());
$this->assertEquals($path, $fileInfo->getPathname());
$this->assertEquals('日本語.txt', $pathinfo['basename']);
$this->assertEquals($pathinfo['basename'], $fileInfo->getBasename());
$this->assertEquals($pathinfo['basename'], basename($path));
$this->assertEquals($this->testDir, $pathinfo['dirname']);
$this->assertEquals($pathinfo['dirname'], $fileInfo->getPath());
$this->assertEquals($pathinfo['dirname'], dirname($path));
$this->assertEquals( 'txt', $pathinfo['extension']);
$this->assertEquals($pathinfo['extension'], $fileInfo->getExtension());
$this->assertEquals('file', $fileInfo->getType());
$this->assertTrue($fileInfo->isFile());
$this->assertFalse($fileInfo->isDir());
}
// 日本語(非5C)のディレクトリ(非Windows)
public function testJapaneseDirectory()
{
if ($this->isWin) {
$this->markTestSkipped('OS is Windows');
}
$this->setLocale(LC_CTYPE, 'ja_JP.UTF-8');
$path = $this->testDir . DIRECTORY_SEPARATOR . '日本語';
$fileInfo = new \SplFileInfo($path);
$pathinfo = pathinfo($path);
$this->assertEquals($path, $fileInfo->getRealPath());
$this->assertEquals($path, $fileInfo->getPathname());
$this->assertEquals('日本語', $pathinfo['basename']);
$this->assertEquals($pathinfo['basename'], $fileInfo->getBasename());
$this->assertEquals($pathinfo['basename'], basename($path));
$this->assertEquals($this->testDir, $pathinfo['dirname']);
$this->assertEquals($pathinfo['dirname'], $fileInfo->getPath());
$this->assertEquals($pathinfo['dirname'], dirname($path));
$this->assertArrayNotHasKey('extension', $pathinfo);
$this->assertEmpty($fileInfo->getExtension());
$this->assertEquals('dir', $fileInfo->getType());
$this->assertFalse($fileInfo->isFile());
$this->assertTrue($fileInfo->isDir());
}
// 日本語(非5C)のディレクトリをパスに含むファイル(非Windows)
public function testFileIncludesJapaneseInPath()
{
if ($this->isWin) {
$this->markTestSkipped('OS is Windows');
}
$this->setLocale(LC_CTYPE, 'ja_JP.UTF-8');
$path = $this->testDir . DIRECTORY_SEPARATOR . '日本語' . DIRECTORY_SEPARATOR . 'test.txt';
$fileInfo = new \SplFileInfo($path);
$pathinfo = pathinfo($path);
$this->assertEquals($path, $fileInfo->getRealPath());
$this->assertEquals($path, $fileInfo->getPathname());
$this->assertEquals('test.txt', $pathinfo['basename']);
$this->assertEquals($pathinfo['basename'], $fileInfo->getBasename());
$this->assertEquals($pathinfo['basename'], basename($path));
$this->assertEquals($this->testDir . DIRECTORY_SEPARATOR . '日本語', $pathinfo['dirname']);
$this->assertEquals($pathinfo['dirname'], $fileInfo->getPath());
$this->assertEquals($pathinfo['dirname'], dirname($path));
$this->assertEquals('txt', $pathinfo['extension']);
$this->assertEquals($pathinfo['extension'], $fileInfo->getExtension());
$this->assertEquals('file', $fileInfo->getType());
$this->assertTrue($fileInfo->isFile());
$this->assertFalse($fileInfo->isDir());
}
// 存在しない日本語のファイル
public function testJapaneseFileNotExisting()
{
if (!$this->isWin) {
$this->setLocale(LC_CTYPE, 'ja_JP.UTF-8');
}
$path = $this->testDir . DIRECTORY_SEPARATOR . 'ソ.txt';
$fileInfo = new \SplFileInfo($path);
$pathinfo = pathinfo($path);
$this->assertFalse($fileInfo->getRealPath());
$this->assertEquals($path, $fileInfo->getPathname());
$this->assertEquals('ソ.txt', $pathinfo['basename']);
$this->assertEquals($pathinfo['basename'], $fileInfo->getBasename());
$this->assertEquals($pathinfo['basename'], basename($path));
$this->assertEquals($this->testDir, $pathinfo['dirname']);
$this->assertEquals($pathinfo['dirname'], $fileInfo->getPath());
$this->assertEquals($pathinfo['dirname'], dirname($path));
$this->assertEquals( 'txt', $pathinfo['extension']);
$this->assertEquals($pathinfo['extension'], $fileInfo->getExtension());
try {
$fileInfo->getType();
} catch (\RuntimeException $e) {
$this->assertStringStartsWith('SplFileInfo::getType(): Lstat failed', $e->getMessage());
}
$this->assertFalse($fileInfo->isFile());
$this->assertFalse($fileInfo->isDir());
}
// 存在しない日本語のディレクトリ
public function testJapaneseDirectoryNotExisting()
{
if (!$this->isWin) {
$this->setLocale(LC_CTYPE, 'ja_JP.UTF-8');
}
$path = $this->testDir . DIRECTORY_SEPARATOR . 'ソ';
$fileInfo = new \SplFileInfo($path);
$pathinfo = pathinfo($path);
$this->assertFalse($fileInfo->getRealPath());
$this->assertEquals($path, $fileInfo->getPathname());
$this->assertEquals('ソ', $pathinfo['basename']);
$this->assertEquals($pathinfo['basename'], $fileInfo->getBasename());
$this->assertEquals($pathinfo['basename'], basename($path));
$this->assertEquals($this->testDir, $pathinfo['dirname']);
$this->assertEquals($pathinfo['dirname'], $fileInfo->getPath());
$this->assertEquals($pathinfo['dirname'], dirname($path));
$this->assertArrayNotHasKey('extension', $pathinfo);
$this->assertEmpty($fileInfo->getExtension());
try {
$fileInfo->getType();
} catch (\RuntimeException $e) {
$this->assertStringStartsWith('SplFileInfo::getType(): Lstat failed', $e->getMessage());
}
$this->assertFalse($fileInfo->isFile());
$this->assertFalse($fileInfo->isDir());
}
// 存在しない日本語のディレクトリをパスに含むファイル
public function testFileIncludesJapaneseInPathNotExisting()
{
if (!$this->isWin) {
$this->setLocale(LC_CTYPE, 'ja_JP.UTF-8');
}
$path = $this->testDir . DIRECTORY_SEPARATOR . 'ソ' . DIRECTORY_SEPARATOR . 'test.txt';
$fileInfo = new \SplFileInfo($path);
$pathinfo = pathinfo($path);
$this->assertFalse($fileInfo->getRealPath());
$this->assertEquals($path, $fileInfo->getPathname());
$this->assertEquals('test.txt', $pathinfo['basename']);
$this->assertEquals($pathinfo['basename'], $fileInfo->getBasename());
$this->assertEquals($pathinfo['basename'], basename($path));
$this->assertEquals($this->testDir . DIRECTORY_SEPARATOR . 'ソ', $pathinfo['dirname']);
$this->assertEquals($pathinfo['dirname'], $fileInfo->getPath());
$this->assertEquals($pathinfo['dirname'], dirname($path));
$this->assertEquals('txt', $pathinfo['extension']);
$this->assertEquals($pathinfo['extension'], $fileInfo->getExtension());
try {
$fileInfo->getType();
} catch (\RuntimeException $e) {
$this->assertStringStartsWith('SplFileInfo::getType(): Lstat failed', $e->getMessage());
}
$this->assertFalse($fileInfo->isFile());
$this->assertFalse($fileInfo->isDir());
}
}
@k-holy
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k-holy commented Sep 2, 2014

Windows7 PHP5.6.0にて検証。
5Cを含むファイルパスについてはbasename(), dirname() では ロケール設定を適切に行うことで問題なく扱えた。
しかし SplFileInfo::getFilename() や SplFileInfo::getBasename() は正常な値を返さず、SplFileInfo::isFile() SplFileInfo::isDir() SplFileInfo::isReadable() も常にFALSEを返す。
Windows環境で日本語ファイルを扱う場合、SplFileInfoは使いものにならないと考える。

@k-holy
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k-holy commented Sep 2, 2014

テストを通すためにアサーションを修正した結果を添付。(Windows7 + PHP 5.6.0)

  • pathinfo()['dirname'] と dirname() は同じ結果を返す。
  • pathinfo()['basename'] と basename() は同じ結果を返す。

これは確定かな。

以下の場合でおかしな結果が返されている。

  • 日本語(非5C)で終わるディレクトリをパスに含むファイルへの dirname()
  • 日本語(5C)で終わるファイルへの SplFileInfo::getBasename()
  • 日本語(5C)で終わるファイルへの SplFileInfo::isFile()
  • 日本語(5C)で終わるディレクトリへの SplFileInfo::getPathname()
  • 日本語(5C)で終わるディレクトリへの SplFileInfo::getBasename()
  • 日本語(5C)で終わるディレクトリへの SplFileInfo::isDir()
  • 日本語(5C)で終わるディレクトリをパスに含むファイルへの SplFileInfo::getType()
  • 日本語(5C)で終わるディレクトリをパスに含むファイルへの SplFileInfo::isFile()

非5Cでもdirname()が変だったり、盤石と思えたSplFileInfo::getPathname()が5Cのディレクトリだけ変だったり、意味が分からない…。

Linux + ja_JP.UTF-8 の場合は全て問題なし。

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