适用于需要执行 Windows 反斜杠和 Linux 正斜杠的连接功能的人。
用法：
<?php
use App\Util\Paths
echo Paths::join('a','b'); //Prints 'a/b' on *nix, or 'a\\b' on Windows
类文件：
<?php
namespace App\Util;
class Paths
{
public static function join_with_separator($separator, $paths) {
$slash_delimited_path = preg_replace('#\\\\#','/', join('/', $paths));
$duplicates_cleaned_path = preg_replace('#/+#', $separator, $slash_delimited_path);
return $duplicates_cleaned_path;
}
public static function join() {
$paths = array();
foreach (func_get_args() as $arg) {
if ($arg !== '') { $paths[] = $arg; }
}
return Paths::join_with_separator(DIRECTORY_SEPARATOR, $paths);
}
}
这里是测试函数：
<?php
namespace Tests\Unit;
use PHPUnit\Framework\TestCase;
use App\Util\Paths;
class PathsTest extends TestCase
{
public function testWindowsPaths()
{
$TEST_INPUTS = [
[],
['a'],
['a','b'],
['C:\\','blah.txt'],
['C:\\subdir','blah.txt'],
['C:\\subdir\\','blah.txt'],
['C:\\subdir','nested','1/2','blah.txt'],
];
$EXPECTED_OUTPUTS = [
'',
'a',
'a\\b',
'C:\\blah.txt',
'C:\\subdir\\blah.txt',
'C:\\subdir\\blah.txt',
'C:\\subdir\\nested\\1\\2\\blah.txt',
];
for ($i = 0; $i < count($TEST_INPUTS); $i++) {
$actualPath = Paths::join_with_separator('\\', $TEST_INPUTS[$i]);
$expectedPath = $EXPECTED_OUTPUTS[$i];
$this->assertEquals($expectedPath, $actualPath);
}
}
public function testNixPaths()
{
$TEST_INPUTS = [
[],
['a'],
['a','b'],
['/home','blah.txt'],
['/home/username','blah.txt'],
['/home/username/','blah.txt'],
['/home/subdir','nested','1\\2','blah.txt'],
];
$EXPECTED_OUTPUTS = [
'',
'a',
'a/b',
'/home/blah.txt',
'/home/username/blah.txt',
'/home/username/blah.txt',
'/home/subdir/nested/1/2/blah.txt',
];
for ($i = 0; $i < count($TEST_INPUTS); $i++) {
$actualPath = Paths::join_with_separator('/', $TEST_INPUTS[$i]);
$expectedPath = $EXPECTED_OUTPUTS[$i];
$this->assertEquals($expectedPath, $actualPath);
}
}
}