3v4l.org

run code in 300+ PHP versions simultaneously
<?php function test($DIRECTORY_SEPARATOR, $source, $path, $expected) { $folder = str_replace(rtrim($source, $DIRECTORY_SEPARATOR), '', dirname($path)); echo "Expected: $expected\n"; echo "Actual: $folder\n"; echo "--------------\n"; } test('/', '/site/path', '/site/path/backed/up/item.txt', '/backed/up'); test('/', '/site/path/', '/site/path/backed/up/item.txt', '/backed/up'); test('\\', 'C:\\site\\path', 'C:/site/path/backed/up/item.txt', '/backed/up'); test('\\', 'C:\\site\\path\\', 'C:/site/path/backed/up/item.txt', '/backed/up'); test('\\', 'C:/site/path', 'C:/site/path/backed/up/item.txt', '/backed/up'); test('\\', 'C:/site/path/', 'C:/site/path/backed/up/item.txt', '/backed/up');
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.29, 8.2.0 - 8.2.20, 8.3.0 - 8.3.8
Expected: /backed/up Actual: /backed/up -------------- Expected: /backed/up Actual: /backed/up -------------- Expected: /backed/up Actual: C:/site/path/backed/up -------------- Expected: /backed/up Actual: C:/site/path/backed/up -------------- Expected: /backed/up Actual: /backed/up -------------- Expected: /backed/up Actual: backed/up --------------

preferences:
201.03 ms | 405 KiB | 305 Q