Avoid file clash in root_check skipifs

Extract root check into skipif_root.inc to share this commonly
repeated logic.

Closes GH-4779.

34 files changed, 53 insertions, 320 deletions

diff --git a/ext/sockets/tests/socket_create_listen-nobind.phpt b/ext/sockets/tests/socket_create_listen-nobind.phpt
index 81e7297339..d6a9a767a3 100644
--- a/ext/sockets/tests/socket_create_listen-nobind.phpt
+++ b/ext/sockets/tests/socket_create_listen-nobind.phpt
@@ -5,13 +5,14 @@ Test if socket_create_listen() returns false, when it cannot bind to the port.
 if (!extension_loaded('sockets')) {
     die('SKIP The sockets extension is not loaded.');
 }
-$filename = __DIR__ . '/006_root_check.tmp';
+$filename = __FILE__ . '.root_check.tmp';
 $fp = fopen($filename, 'w');
 fclose($fp);
 if (fileowner($filename) == 0) {
-    unlink ($filename);
+    unlink($filename);
     die('SKIP Test cannot be run as root.');
 }
+unlink($filename);
 if (@socket_create_listen(80)) {
     die('SKIP Test cannot be run in environment that will allow binding to port 80 (azure)');
 }
@@ -20,9 +21,6 @@ if (@socket_create_listen(80)) {
 $sock = socket_create_listen(80);
 --EXPECTF--
 Warning: socket_create_listen(): unable to bind to given address [13]: Permission denied in %s on line %d
---CLEAN--
-<?php
-unlink(__DIR__ . '/006_root_check.tmp');
 --CREDITS--
 Till Klampaeckel, till@php.net
 PHP Testfest Berlin 2009-05-09
diff --git a/ext/sockets/tests/socket_set_option_error_socket_option.phpt b/ext/sockets/tests/socket_set_option_error_socket_option.phpt
index 18afcc8fb1..53d76fa4c1 100644
--- a/ext/sockets/tests/socket_set_option_error_socket_option.phpt
+++ b/ext/sockets/tests/socket_set_option_error_socket_option.phpt
@@ -8,13 +8,14 @@ if (!extension_loaded('sockets')) {
 if (PHP_OS == 'Darwin') {
     die('skip Not for OSX');
 }
-$filename = __DIR__ . '/006_root_check.tmp';
+$filename = __FILE__ . '.root_check.tmp';
 $fp = fopen($filename, 'w');
 fclose($fp);
 if (fileowner($filename) == 0) {
-    unlink ($filename);
+    unlink($filename);
     die('SKIP Test cannot be run as root.');
 }
+unlink($filename);
 ?>
 --FILE--
 <?php
@@ -26,9 +27,6 @@ if (!$socket) {
 socket_set_option( $socket, SOL_SOCKET, 1, 1);
 socket_close($socket);
 ?>
---CLEAN--
-<?php
-unlink(__DIR__ . '/006_root_check.tmp');
 --EXPECTF--
 Warning: socket_set_option(): unable to set socket option [%d]: Permission denied in %s on line %d
 --CREDITS--
diff --git a/ext/standard/tests/dir/dir_variation3.phpt b/ext/standard/tests/dir/dir_variation3.phpt
index 041304eba4..b79b2befe4 100644
--- a/ext/standard/tests/dir/dir_variation3.phpt
+++ b/ext/standard/tests/dir/dir_variation3.phpt
@@ -5,15 +5,7 @@ Test dir() function : usage variations - different directory permissions
 if( substr(PHP_OS, 0, 3) == 'WIN') {
   die('skip Not for Windows');
 }
-// Skip if being run by root (files are always readable, writeable and executable)
-$filename = __DIR__."/dir_root_check.tmp";
-$fp = fopen($filename, 'w');
-fclose($fp);
-if(fileowner($filename) == 0) {
-        unlink ($filename);
-        die('skip...cannot be run as root\n');
-}
-unlink($filename);
+require __DIR__ . '/../skipif_root.inc';
 ?>
 --FILE--
 <?php
diff --git a/ext/standard/tests/dir/dir_variation7.phpt b/ext/standard/tests/dir/dir_variation7.phpt
index e069043fe3..c2e6519dfe 100644
--- a/ext/standard/tests/dir/dir_variation7.phpt
+++ b/ext/standard/tests/dir/dir_variation7.phpt
@@ -5,15 +5,7 @@ Test dir() function : usage variations - directories with restricted permissions
 if( substr(PHP_OS, 0, 3) == 'WIN') {
   die('skip Not for Windows');
 }
-// Skip if being run by root (files are always readable, writeable and executable)
-$filename = __DIR__."/dir_root_check.tmp";
-$fp = fopen($filename, 'w');
-fclose($fp);
-if(fileowner($filename) == 0) {
-        unlink ($filename);
-        die('skip...cannot be run as root\n');
-}
-unlink($filename);
+require __DIR__ . '/../skipif_root.inc';
 ?>
 --FILE--
 <?php
diff --git a/ext/standard/tests/dir/opendir_variation5.phpt b/ext/standard/tests/dir/opendir_variation5.phpt
index ac12930280..937911227c 100644
--- a/ext/standard/tests/dir/opendir_variation5.phpt
+++ b/ext/standard/tests/dir/opendir_variation5.phpt
@@ -5,15 +5,7 @@ Test opendir() function : usage variations - directories with restricted permiss
 if( substr(PHP_OS, 0, 3) == 'WIN') {
 	die('skip Not for Windows');
 }
-// Skip if being run by root (files are always readable, writeable and executable)
-$filename = __DIR__."/dir_root_check.tmp";
-$fp = fopen($filename, 'w');
-fclose($fp);
-if(fileowner($filename) == 0) {
-	unlink ($filename);
-	die('skip...cannot be run as root\n');
-}
-unlink($filename);
+require __DIR__ . '/../skipif_root.inc';
 ?>
 --FILE--
 <?php
diff --git a/ext/standard/tests/dir/opendir_variation7.phpt b/ext/standard/tests/dir/opendir_variation7.phpt
index d468f27008..d781c4f538 100644
--- a/ext/standard/tests/dir/opendir_variation7.phpt
+++ b/ext/standard/tests/dir/opendir_variation7.phpt
@@ -5,15 +5,7 @@ Test opendir() function : usage variations - different directory permissions
 if( substr(PHP_OS, 0, 3) == 'WIN') {
   die('skip Not for Windows');
 }
-// Skip if being run by root (files are always readable, writeable and executable)
-$filename = __DIR__ . "/opendir_root_check.tmp";
-$fp = fopen($filename, 'w');
-fclose($fp);
-if(fileowner($filename) == 0) {
-        unlink ($filename);
-        die('skip...cannot be run as root\n');
-}
-unlink($filename);
+require __DIR__ . '/../skipif_root.inc';
 ?>
 --FILE--
 <?php
diff --git a/ext/standard/tests/dir/readdir_variation5.phpt b/ext/standard/tests/dir/readdir_variation5.phpt
index 575a4000ac..72ec24a9d8 100644
--- a/ext/standard/tests/dir/readdir_variation5.phpt
+++ b/ext/standard/tests/dir/readdir_variation5.phpt
@@ -5,15 +5,7 @@ Test readdir() function : usage variations - different permissions
 if( substr(PHP_OS, 0, 3) == 'WIN') {
   die('skip Not for Windows');
 }
-// Skip if being run by root (files are always readable, writeable and executable)
-$filename = __DIR__."/readdir_root_check.tmp";
-$fp = fopen($filename, 'w');
-fclose($fp);
-if(fileowner($filename) == 0) {
-        unlink ($filename);
-        die('skip...cannot be run as root\n');
-}
-unlink($filename);
+require __DIR__ . '/../skipif_root.inc';
 ?>
 --FILE--
 <?php
diff --git a/ext/standard/tests/dir/scandir_variation5.phpt b/ext/standard/tests/dir/scandir_variation5.phpt
index 47539c493f..189687f1d0 100644
--- a/ext/standard/tests/dir/scandir_variation5.phpt
+++ b/ext/standard/tests/dir/scandir_variation5.phpt
@@ -5,15 +5,7 @@ Test scandir() function : usage variations - different directory permissions
 if( substr(PHP_OS, 0, 3) == 'WIN') {
 	die('skip Not for Windows');
 }
-// Skip if being run by root (files are always readable, writeable and executable)
-$filename = __DIR__."/dir_root_check.tmp";
-$fp = fopen($filename, 'w');
-fclose($fp);
-if(fileowner($filename) == 0) {
-	unlink ($filename);
-	die('skip...cannot be run as root\n');
-}
-unlink($filename);
+require __DIR__ . '/../skipif_root.inc';
 ?>
 --FILE--
 <?php
diff --git a/ext/standard/tests/dir/scandir_variation7.phpt b/ext/standard/tests/dir/scandir_variation7.phpt
index b0305a6e03..bd0cb74a15 100644
--- a/ext/standard/tests/dir/scandir_variation7.phpt
+++ b/ext/standard/tests/dir/scandir_variation7.phpt
@@ -5,15 +5,7 @@ Test scandir() function : usage variations - different directory permissions
 if( substr(PHP_OS, 0, 3) == 'WIN') {
   die('skip Not for Windows');
 }
-// Skip if being run by root (files are always readable, writeable and executable)
-$filename = __DIR__ . "/dir_root_check.tmp";
-$fp = fopen($filename, 'w');
-fclose($fp);
-if(fileowner($filename) == 0) {
-        unlink ($filename);
-        die('skip...cannot be run as root\n');
-}
-unlink($filename);
+require __DIR__ . '/../skipif_root.inc';
 ?>
 --FILE--
 <?php
diff --git a/ext/standard/tests/file/006_basic.phpt b/ext/standard/tests/file/006_basic.phpt
index 553e8445f1..43c9b86ab0 100644
--- a/ext/standard/tests/file/006_basic.phpt
+++ b/ext/standard/tests/file/006_basic.phpt
@@ -5,17 +5,7 @@ Test fileperms() & chmod() functions: basic functionality
 if (substr(PHP_OS, 0, 3) == 'WIN') {
     die('skip Not on Windows');
 }
-// Skip if being run by root
-$filename = __DIR__."/006_root_check.tmp";
-$fp = fopen($filename, 'w');
-fclose($fp);
-if(fileowner($filename) == 0) {
-        unlink ($filename);
-        die('skip cannot be run as root');
-}
-
-unlink($filename);
-
+require __DIR__ . '/../skipif_root.inc';
 ?>
 --FILE--
 <?php
diff --git a/ext/standard/tests/file/006_error.phpt b/ext/standard/tests/file/006_error.phpt
index 0e95f8056e..9451a3e18b 100644
--- a/ext/standard/tests/file/006_error.phpt
+++ b/ext/standard/tests/file/006_error.phpt
@@ -5,17 +5,7 @@ Test fileperms(), chmod() functions: error conditions
 if (substr(PHP_OS, 0, 3) == 'WIN') {
     die('skip Not on Windows');
 }
-// Skip if being run by root
-$filename = __DIR__."/006_root_check.tmp";
-$fp = fopen($filename, 'w');
-fclose($fp);
-if(fileowner($filename) == 0) {
-        unlink ($filename);
-        die('skip cannot be run as root');
-}
-
-unlink($filename);
-
+require __DIR__ . '/../skipif_root.inc';
 ?>
 --FILE--
 <?php
diff --git a/ext/standard/tests/file/006_variation1.phpt b/ext/standard/tests/file/006_variation1.phpt
index 102bc28432..5a90ea6fb3 100644
--- a/ext/standard/tests/file/006_variation1.phpt
+++ b/ext/standard/tests/file/006_variation1.phpt
@@ -5,17 +5,7 @@ Test fileperms() & chmod() functions: usage variation - perms(0000-0777)
 if (substr(PHP_OS, 0, 3) == 'WIN') {
     die('skip Not on Windows');
 }
-// Skip if being run by root
-$filename = __DIR__."/006_root_check.tmp";
-$fp = fopen($filename, 'w');
-fclose($fp);
-if(fileowner($filename) == 0) {
-        unlink ($filename);
-        die('skip cannot be run as root');
-}
-
-unlink($filename);
-
+require __DIR__ . '/../skipif_root.inc';
 ?>
 --FILE--
 <?php
diff --git a/ext/standard/tests/file/006_variation2.phpt b/ext/standard/tests/file/006_variation2.phpt
index cba524882f..6e87d24675 100644
--- a/ext/standard/tests/file/006_variation2.phpt
+++ b/ext/standard/tests/file/006_variation2.phpt
@@ -5,17 +5,7 @@ Test fileperms() & chmod() functions: usage variation - misc. perms
 if (substr(PHP_OS, 0, 3) == 'WIN') {
     die('skip Not on Windows');
 }
-// Skip if being run by root
-$filename = __DIR__."/006_root_check.tmp";
-$fp = fopen($filename, 'w');
-fclose($fp);
-if(fileowner($filename) == 0) {
-        unlink ($filename);
-        die('skip cannot be run as root');
-}
-
-unlink($filename);
-
+require __DIR__ . '/../skipif_root.inc';
 ?>
 --FILE--
 <?php
diff --git a/ext/standard/tests/file/copy_variation15.phpt b/ext/standard/tests/file/copy_variation15.phpt
index a641a8675a..6b52eb7f9b 100644
--- a/ext/standard/tests/file/copy_variation15.phpt
+++ b/ext/standard/tests/file/copy_variation15.phpt
@@ -4,15 +4,7 @@ Test copy() function: usage variations - destination dir access perms
 <?php
 if(substr(PHP_OS, 0, 3) == 'WIN')
   die("skip do not run on Windows");
-// Skip if being run by root (files are always readable, writeable and executable)
-$filename = __DIR__."/copy_variation15_root_check.tmp";
-$fp = fopen($filename, 'w');
-fclose($fp);
-if(fileowner($filename) == 0) {
-        unlink ($filename);
-        die('skip cannot be run as root');
-}
-unlink($filename);
+require __DIR__ . '/../skipif_root.inc';
 ?>
 --FILE--
 <?php
diff --git a/ext/standard/tests/file/copy_variation9.phpt b/ext/standard/tests/file/copy_variation9.phpt
index c0651a7375..2c1005ec64 100644
--- a/ext/standard/tests/file/copy_variation9.phpt
+++ b/ext/standard/tests/file/copy_variation9.phpt
@@ -4,16 +4,7 @@ Test copy() function: usage variations - destination file access perms
 <?php
 if(substr(PHP_OS, 0, 3) == 'WIN')
   die("skip do not run on Windows");
-
-// Skip if being run by root (files are always readable, writeable and executable)
-$filename = __DIR__."/copy_variation9_root_check.tmp";
-$fp = fopen($filename, 'w');
-fclose($fp);
-if(fileowner($filename) == 0) {
-        unlink ($filename);
-        die('skip cannot be run as root');
-}
-unlink($filename);
+require __DIR__ . '/../skipif_root.inc';
 ?>
 --FILE--
 <?php
diff --git a/ext/standard/tests/file/is_executable_basic.phpt b/ext/standard/tests/file/is_executable_basic.phpt
index ef2d2388cf..6c78d2be03 100644
--- a/ext/standard/tests/file/is_executable_basic.phpt
+++ b/ext/standard/tests/file/is_executable_basic.phpt
@@ -5,16 +5,7 @@ Test is_executable() function: basic functionality
 if (substr(PHP_OS, 0, 3) == 'WIN') {
     die('skip not for windows');
 }
-// Skip if being run by root (files are always readable, writeable and executable)
-$filename = __DIR__."/is_executable_basic_root_check.tmp";
-$fp = fopen($filename, 'w');
-fclose($fp);
-if(fileowner($filename) == 0) {
-	unlink ($filename);
-	die('skip cannot be run as root');
-}
-
-unlink($filename);
+require __DIR__ . '/../skipif_root.inc';
 ?>
 --FILE--
 <?php
diff --git a/ext/standard/tests/file/is_executable_variation2.phpt b/ext/standard/tests/file/is_executable_variation2.phpt
index 935b5548f2..5b07f683d3 100644
--- a/ext/standard/tests/file/is_executable_variation2.phpt
+++ b/ext/standard/tests/file/is_executable_variation2.phpt
@@ -5,16 +5,7 @@ Test is_executable() function: usage variations - file/dir with diff. perms
 if (substr(PHP_OS, 0, 3) == 'WIN') {
     die('skip not for windows');
 }
-// Skip if being run by root
-$filename = __DIR__."/is_executable_variation2_root_check.tmp";
-$fp = fopen($filename, 'w');
-fclose($fp);
-if(fileowner($filename) == 0) {
-        unlink ($filename);
-        die('skip cannot be run as root');
-}
-
-unlink($filename);
+require __DIR__ . '/../skipif_root.inc';
 ?>
 --FILE--
 <?php
diff --git a/ext/standard/tests/file/is_executable_variation3.phpt b/ext/standard/tests/file/is_executable_variation3.phpt
index 5051504be9..1a71a5a005 100644
--- a/ext/standard/tests/file/is_executable_variation3.phpt
+++ b/ext/standard/tests/file/is_executable_variation3.phpt
@@ -5,16 +5,7 @@ Test is_executable() function: usage variations - invalid file names
 if (substr(PHP_OS, 0, 3) == 'WIN') {
     die('skip not for windows');
 }
-// Skip if being run by root (files are always readable, writeable and executable)
-$filename = __DIR__."/is_executable_root_check.tmp";
-$fp = fopen($filename, 'w');
-fclose($fp);
-if(fileowner($filename) == 0) {
-        unlink ($filename);
-        die('skip cannot be run as root');
-}
-
-unlink($filename);
+require __DIR__ . '/../skipif_root.inc';
 ?>
 --FILE--
 <?php
diff --git a/ext/standard/tests/file/is_readable_basic.phpt b/ext/standard/tests/file/is_readable_basic.phpt
index 5df3e36ddd..a3f72a3048 100644
--- a/ext/standard/tests/file/is_readable_basic.phpt
+++ b/ext/standard/tests/file/is_readable_basic.phpt
@@ -5,16 +5,7 @@ Test is_readable() function: basic functionality
 if (substr(PHP_OS, 0, 3) == 'WIN') {
     die('skip not for windows');
 }
-// Skip if being run by root (files are always readable, writeable and executable)
-$filename = __DIR__."/is_readable_basic_root_check.tmp";
-$fp = fopen($filename, 'w');
-fclose($fp);
-if(fileowner($filename) == 0) {
-	unlink ($filename);
-	die('skip cannot be run as root');
-}
-
-unlink($filename);
+require __DIR__ . '/../skipif_root.inc';
 ?>
 --FILE--
 <?php
diff --git a/ext/standard/tests/file/is_readable_variation1.phpt b/ext/standard/tests/file/is_readable_variation1.phpt
index c00c01cac7..60729b5ac2 100644
--- a/ext/standard/tests/file/is_readable_variation1.phpt
+++ b/ext/standard/tests/file/is_readable_variation1.phpt
@@ -2,17 +2,7 @@
 Test is_readable() function: usage variations - diff. file notations
 --SKIPIF--
 <?php
-if (substr(PHP_OS, 0, 3) != 'WIN') {
-  // Skip if being run by root (files are always readable, writeable and executable)
-  $filename = __DIR__."/is_readable_variation1_root_check.tmp";
-  $fp = fopen($filename, 'w');
-  fclose($fp);
-  if(fileowner($filename) == 0) {
-        unlink ($filename);
-        die('skip cannot be run as root');
-  }
-  unlink($filename);
-}
+require __DIR__ . '/../skipif_root.inc';
 ?>
 --FILE--
 <?php
diff --git a/ext/standard/tests/file/is_readable_variation2.phpt b/ext/standard/tests/file/is_readable_variation2.phpt
index dccee47c92..1dd4ffd06a 100644
--- a/ext/standard/tests/file/is_readable_variation2.phpt
+++ b/ext/standard/tests/file/is_readable_variation2.phpt
@@ -5,15 +5,7 @@ Test is_readable() function: usage variations - file/dir with diff. perms
 if (substr(PHP_OS, 0, 3) == 'WIN') {
     die('skip not for windows');
 }
-// Skip if being run by root
-$filename = __DIR__."/is_readable_variation2_root_check.tmp";
-$fp = fopen($filename, 'w');
-fclose($fp);
-if(fileowner($filename) == 0) {
-        unlink ($filename);
-        die('skip cannot be run as root');
-}
-unlink($filename);
+require __DIR__ . '/../skipif_root.inc';
 ?>
 --FILE--
 <?php
diff --git a/ext/standard/tests/file/is_readable_variation3.phpt b/ext/standard/tests/file/is_readable_variation3.phpt
index 0821bfe4cd..c73a28520f 100644
--- a/ext/standard/tests/file/is_readable_variation3.phpt
+++ b/ext/standard/tests/file/is_readable_variation3.phpt
@@ -2,18 +2,7 @@
 Test is_readable() function: usage variations - invalid file names
 --SKIPIF--
 <?php
-if (substr(PHP_OS, 0, 3) != 'WIN') {
-
-  // Skip if being run by root (files are always readable, writeable and executable)
-  $filename = __DIR__."/is_readable_variation3_root_check.tmp";
-  $fp = fopen($filename, 'w');
-  fclose($fp);
-  if(fileowner($filename) == 0) {
-        unlink ($filename);
-        die('skip cannot be run as root');
-  }
-  unlink($filename);
-}
+require __DIR__ . '/../skipif_root.inc';
 ?>
 --FILE--
 <?php
diff --git a/ext/standard/tests/file/is_writable_basic.phpt b/ext/standard/tests/file/is_writable_basic.phpt
index ad0660bdfd..ba6676836d 100644
--- a/ext/standard/tests/file/is_writable_basic.phpt
+++ b/ext/standard/tests/file/is_writable_basic.phpt
@@ -2,16 +2,7 @@
 Test is_writable() and its alias is_writeable() function: basic functionality
 --SKIPIF--
 <?php
-// Skip if being run by root (files are always readable, writeable and executable)
-$filename = __DIR__."/is_writable_basic_root_check.tmp";
-$fp = fopen($filename, 'w');
-fclose($fp);
-if(fileowner($filename) == 0) {
-	unlink ($filename);
-	die('skip cannot be run as root');
-}
-
-unlink($filename);
+require __DIR__ . '/../skipif_root.inc';
 ?>
 --FILE--
 <?php
diff --git a/ext/standard/tests/file/is_writable_variation1.phpt b/ext/standard/tests/file/is_writable_variation1.phpt
index 31187b66d0..6ce05f172e 100644
--- a/ext/standard/tests/file/is_writable_variation1.phpt
+++ b/ext/standard/tests/file/is_writable_variation1.phpt
@@ -2,19 +2,7 @@
 Test is_writable() and its alias is_writeable() function: usage variations - diff. path notations
 --SKIPIF--
 <?php
-if (substr(PHP_OS, 0, 3) != 'WIN') {
-
-  // Skip if being run by root (files are always readable, writeable and executable)
-  $filename = __DIR__."/is_writable_root_check.tmp";
-  $fp = fopen($filename, 'w');
-  fclose($fp);
-  if(fileowner($filename) == 0) {
-        unlink ($filename);
-        die('skip cannot be run as root');
-  }
-
-  unlink($filename);
-}
+require __DIR__ . '/../skipif_root.inc';
 ?>
 --FILE--
 <?php
diff --git a/ext/standard/tests/file/is_writable_variation2.phpt b/ext/standard/tests/file/is_writable_variation2.phpt
index eb75cf895f..def45bd2a0 100644
--- a/ext/standard/tests/file/is_writable_variation2.phpt
+++ b/ext/standard/tests/file/is_writable_variation2.phpt
@@ -5,16 +5,7 @@ Test is_writable() and its alias is_writeable() function: usage variations - fil
 if (substr(PHP_OS, 0, 3) == 'WIN') {
     die('skip.. only on LINUX');
 }
-// Skip if being run by root
-$filename = __DIR__."/is_writable_variation2_root_check.tmp";
-$fp = fopen($filename, 'w');
-fclose($fp);
-if(fileowner($filename) == 0) {
-        unlink ($filename);
-        die('skip cannot be run as root');
-}
-
-unlink ($filename);
+require __DIR__ . '/../skipif_root.inc';
 ?>
 --FILE--
 <?php
diff --git a/ext/standard/tests/file/is_writable_variation3.phpt b/ext/standard/tests/file/is_writable_variation3.phpt
index f682bd3292..305bebef8f 100644
--- a/ext/standard/tests/file/is_writable_variation3.phpt
+++ b/ext/standard/tests/file/is_writable_variation3.phpt
@@ -2,17 +2,7 @@
 Test is_writable() and its alias is_writeable() function: usage variations - invalid file names
 --SKIPIF--
 <?php
-if (substr(PHP_OS, 0, 3) != 'WIN') {
-  // Skip if being run by root (files are always readable, writeable and executable)
-  $filename = __DIR__."/is_writable_root_check.tmp";
-  $fp = fopen($filename, 'w');
-  fclose($fp);
-  if(fileowner($filename) == 0) {
-        unlink ($filename);
-        die('skip cannot be run as root');
-  }
-  unlink($filename);
-}
+require __DIR__ . '/../skipif_root.inc';
 ?>
 --FILE--
 <?php
diff --git a/ext/standard/tests/file/lchown_error.phpt b/ext/standard/tests/file/lchown_error.phpt
index fd54b482b3..dbd9a7bbe8 100644
--- a/ext/standard/tests/file/lchown_error.phpt
+++ b/ext/standard/tests/file/lchown_error.phpt
@@ -4,15 +4,7 @@ Test lchown() function : error functionality
 <?php
 if (substr(PHP_OS, 0, 3) == 'WIN') die('skip no windows support');
 if (!function_exists("posix_getuid")) die("skip no posix_getuid()");
-// Skip if being run by root
-$filename = __DIR__."/lchow_error_root_check.tmp";
-$fp = fopen($filename, 'w');
-fclose($fp);
-if(fileowner($filename) == 0) {
-        unlink ($filename);
-        die('skip cannot be run as root');
-}
-unlink($filename);
+require __DIR__ . '/../skipif_root.inc';
 ?>
 --FILE--
 <?php
diff --git a/ext/standard/tests/file/mkdir_rmdir_variation1.phpt b/ext/standard/tests/file/mkdir_rmdir_variation1.phpt
index 9457364643..6fe177250c 100644
--- a/ext/standard/tests/file/mkdir_rmdir_variation1.phpt
+++ b/ext/standard/tests/file/mkdir_rmdir_variation1.phpt
@@ -5,16 +5,7 @@ Test mkdir() and rmdir() functions: usage variations - perms(0000-0777)
 if (substr(PHP_OS, 0, 3) == 'WIN') {
     die('skip.. only on LINUX');
 }
-// Skip if being run by root (files are always readable, writeable and executable)
-$filename = __DIR__."/mkdir_rmdir_variation1_root_check.tmp";
-$fp = fopen($filename, 'w');
-fclose($fp);
-if(fileowner($filename) == 0) {
-	unlink ($filename);
-	die('skip cannot be run as root');
-}
-
-unlink($filename);
+require __DIR__ . '/../skipif_root.inc';
 ?>
 --FILE--
 <?php
diff --git a/ext/standard/tests/file/mkdir_rmdir_variation2.phpt b/ext/standard/tests/file/mkdir_rmdir_variation2.phpt
index d9e041fa28..22c055ddb5 100644
--- a/ext/standard/tests/file/mkdir_rmdir_variation2.phpt
+++ b/ext/standard/tests/file/mkdir_rmdir_variation2.phpt
@@ -5,16 +5,7 @@ Test mkdir() and rmdir() functions: usage variations - misc.
 if (substr(PHP_OS, 0, 3) == 'WIN') {
     die('skip.. only on LINUX');
 }
-// Skip if being run by root (files are always readable, writeable and executable)
-$filename = __DIR__."/mkdir_rmdir_variation2_root_check.tmp";
-$fp = fopen($filename, 'w');
-fclose($fp);
-if(fileowner($filename) == 0) {
-	unlink ($filename);
-	die('skip cannot be run as root');
-}
-
-unlink($filename);
+require __DIR__ . '/../skipif_root.inc';
 ?>
 --FILE--
 <?php
diff --git a/ext/standard/tests/file/symlink_link_linkinfo_is_link_variation6.phpt b/ext/standard/tests/file/symlink_link_linkinfo_is_link_variation6.phpt
index 3a829580ea..8095972b73 100644
--- a/ext/standard/tests/file/symlink_link_linkinfo_is_link_variation6.phpt
+++ b/ext/standard/tests/file/symlink_link_linkinfo_is_link_variation6.phpt
@@ -5,17 +5,7 @@ Test symlink(), linkinfo(), link() and is_link() functions : usage variations -
 if ( substr(PHP_OS, 0, 3) == 'WIN' ) {
     die('skip no symlinks on Windows');
 }
-
-// Skip if being run by root (files are always readable, writeable and executable)
-$filename = __DIR__."/symlink_link_linkinfo_is_link6_check_root.tmp";
-$fp = fopen($filename, 'w');
-fclose($fp);
-if(fileowner($filename) == 0) {
-        unlink ($filename);
-        die('skip cannot be run as root');
-}
-
-unlink($filename);
+require __DIR__ . '/../skipif_root.inc';
 ?>
 --FILE--
 <?php
diff --git a/ext/standard/tests/file/tempnam_variation4-0.phpt b/ext/standard/tests/file/tempnam_variation4-0.phpt
index 4232ef0b08..646179beca 100644
--- a/ext/standard/tests/file/tempnam_variation4-0.phpt
+++ b/ext/standard/tests/file/tempnam_variation4-0.phpt
@@ -5,15 +5,7 @@ Test tempnam() function: usage variations - permissions(0000 to 0350) of dir
 if (substr(PHP_OS, 0, 3) == 'WIN') {
     die('skip Not valid for Windows');
 }
-// Skip if being run by root
-$filename = __DIR__."/tempnam_variation4-0_root_check.tmp";
-$fp = fopen($filename, 'w');
-fclose($fp);
-if(fileowner($filename) == 0) {
-        unlink ($filename);
-        die('skip cannot be run as root');
-}
-unlink($filename);
+require __DIR__ . '/../skipif_root.inc';
 ?>
 --FILE--
 <?php
diff --git a/ext/standard/tests/file/tempnam_variation4-1.phpt b/ext/standard/tests/file/tempnam_variation4-1.phpt
index 48d450d922..b614404c94 100644
--- a/ext/standard/tests/file/tempnam_variation4-1.phpt
+++ b/ext/standard/tests/file/tempnam_variation4-1.phpt
@@ -5,15 +5,7 @@ Test tempnam() function: usage variations - permissions(0351 to 0777) of dir
 if (substr(PHP_OS, 0, 3) == 'WIN') {
     die('skip Not valid for Windows');
 }
-// Skip if being run by root
-$filename = __DIR__."/tempnam_variation4-1_root_check.tmp";
-$fp = fopen($filename, 'w');
-fclose($fp);
-if(fileowner($filename) == 0) {
-        unlink ($filename);
-        die('skip cannot be run as root');
-}
-unlink($filename);
+require __DIR__ . '/../skipif_root.inc';
 ?>
 --FILE--
 <?php
diff --git a/ext/standard/tests/file/unlink_variation1.phpt b/ext/standard/tests/file/unlink_variation1.phpt
index 0ce7cdf74f..1c4569a5fd 100644
--- a/ext/standard/tests/file/unlink_variation1.phpt
+++ b/ext/standard/tests/file/unlink_variation1.phpt
@@ -5,16 +5,7 @@ Test unlink() function : usage variations - unlinking file in a directory
 if (substr(PHP_OS, 0, 3) == 'WIN') {
     die('skip only on Linux');
 }
-// Skip if being run by root (files are always readable, writeable and executable)
-$filename = __DIR__."/unlink_root_check.tmp";
-$fp = fopen($filename, 'w');
-fclose($fp);
-if(fileowner($filename) == 0) {
-        unlink ($filename);
-        die('skip cannot be run as root');
-}
-
-unlink($filename);
+require __DIR__ . '/../skipif_root.inc';
 ?>
 --FILE--
 <?php
diff --git a/ext/standard/tests/skipif_root.inc b/ext/standard/tests/skipif_root.inc
new file mode 100644
index 0000000000..d43cae8674
--- /dev/null
+++ b/ext/standard/tests/skipif_root.inc
@@ -0,0 +1,16 @@
+<?php
+
+// Skip if being run by root (files are always readable, writeable and executable)
+$filename = @tempnam(__DIR__, 'root_check_');
+if (!file_exists($filename)) {
+    die('WARN Unable to create the "root check" file');
+}
+
+$isRoot = fileowner($filename) == 0;
+
+unlink($filename);
+
+if ($isRoot) {
+    die('SKIP Cannot be run as root');
+}
+