Common: prepareForOutput(): Use Unicode output on Windows as well on PHP 7.1+

PHP 7.1 fixed problems with printing Unicode characters to Windows
console that forced us to avoid using them.
https://www.php.net/manual/en/migration71.windows-support.php

Author: MatmaRex

src/Reports/Code.php

@@ -228,7 +228,8 @@ public function generateFileReport($report, File $phpcsFile, $showSources=false,
                     if (strpos($tokenContent, "\t") !== false) {
                         $token            = $tokens[$i];
                         $token['content'] = $tokenContent;
-                        if (stripos(PHP_OS, 'WIN') === 0) {
+                        if (stripos(PHP_OS, 'WIN') === 0 && PHP_VERSION_ID < 70100) {
+                            // Printing Unicode characters like '»' to Windows console only works since PHP 7.1.
                             $tab = "\000";
                         } else {
                             $tab = "\033[30;1m»\033[0m";

src/Util/Common.php

@@ -283,8 +283,9 @@ public static function prepareForOutput($content, $exclude=[])
             "\t" => '\t',
             " "  => '·',
         ];
-        if (stripos(PHP_OS, 'WIN') === 0) {
-            // Do not replace spaces on Windows.
+        if (stripos(PHP_OS, 'WIN') === 0 && PHP_VERSION_ID < 70100) {
+            // Do not replace spaces on old PHP on Windows.
+            // Printing Unicode characters like '·' to Windows console only works since PHP 7.1.
             unset($replacements[" "]);
         }
 

tests/Core/Util/Common/PrepareForOutputTest.php

@@ -27,40 +27,62 @@ final class PrepareForOutputTest extends TestCase
      * @param string   $content     The content to prepare.
      * @param string[] $exclude     A list of characters to leave invisible.
      * @param string   $expected    Expected function output.
-     * @param string   $expectedWin Expected function output on Windows (unused in this test).
+     * @param string   $expectedOld Expected function output on PHP<7.1 on Windows (unused in this test).
      *
      * @requires     OS ^(?!WIN).*
      * @dataProvider dataPrepareForOutput
      *
      * @return void
      */
-    public function testPrepareForOutput($content, $exclude, $expected, $expectedWin)
+    public function testPrepareForOutput($content, $exclude, $expected, $expectedOld)
     {
         $this->assertSame($expected, Common::prepareForOutput($content, $exclude));
 
     }//end testPrepareForOutput()
 
 
     /**
-     * Test formatting whitespace characters, on Windows.
+     * Test formatting whitespace characters, on modern PHP on Windows.
      *
      * @param string   $content     The content to prepare.
      * @param string[] $exclude     A list of characters to leave invisible.
-     * @param string   $expected    Expected function output (unused in this test).
-     * @param string   $expectedWin Expected function output on Windows.
+     * @param string   $expected    Expected function output.
+     * @param string   $expectedOld Expected function output on PHP<7.1 on Windows (unused in this test).
      *
      * @requires     OS ^WIN.*.
+     * @requires     PHP >= 7.1
      * @dataProvider dataPrepareForOutput
      *
      * @return void
      */
-    public function testPrepareForOutputWindows($content, $exclude, $expected, $expectedWin)
+    public function testPrepareForOutputWindows($content, $exclude, $expected, $expectedOld)
     {
-        $this->assertSame($expectedWin, Common::prepareForOutput($content, $exclude));
+        $this->assertSame($expected, Common::prepareForOutput($content, $exclude));
 
     }//end testPrepareForOutputWindows()
 
 
+    /**
+     * Test formatting whitespace characters, on PHP<7.1 on Windows.
+     *
+     * @param string   $content     The content to prepare.
+     * @param string[] $exclude     A list of characters to leave invisible.
+     * @param string   $expected    Expected function output (unused in this test).
+     * @param string   $expectedOld Expected function output on PHP<7.1 on Windows.
+     *
+     * @requires     OS ^WIN.*.
+     * @requires     PHP < 7.1
+     * @dataProvider dataPrepareForOutput
+     *
+     * @return void
+     */
+    public function testPrepareForOutputOldPHPWindows($content, $exclude, $expected, $expectedOld)
+    {
+        $this->assertSame($expectedOld, Common::prepareForOutput($content, $exclude));
+
+    }//end testPrepareForOutputOldPHPWindows()
+
+
     /**
      * Data provider.
      *
@@ -76,25 +98,25 @@ public static function dataPrepareForOutput()
                 'content'     => "\r\n\t",
                 'exclude'     => [],
                 'expected'    => "\033[30;1m\\r\\n\\t\033[0m",
-                'expectedWin' => "\033[30;1m\\r\\n\\t\033[0m",
+                'expectedOld' => "\033[30;1m\\r\\n\\t\033[0m",
             ],
             'Spaces are replaced with a unique mark'             => [
                 'content'     => "    ",
                 'exclude'     => [],
                 'expected'    => "\033[30;1m····\033[0m",
-                'expectedWin' => "    ",
+                'expectedOld' => "    ",
             ],
             'Other characters are unaffected'                    => [
                 'content'     => "{echo 1;}",
                 'exclude'     => [],
                 'expected'    => "{echo\033[30;1m·\033[0m1;}",
-                'expectedWin' => "{echo 1;}",
+                'expectedOld' => "{echo 1;}",
             ],
             'No replacements'                                    => [
                 'content'     => 'nothing-should-be-replaced',
                 'exclude'     => [],
                 'expected'    => 'nothing-should-be-replaced',
-                'expectedWin' => 'nothing-should-be-replaced',
+                'expectedOld' => 'nothing-should-be-replaced',
             ],
             'Excluded whitespace characters are unaffected'      => [
                 'content'     => "\r\n\t ",
@@ -103,7 +125,7 @@ public static function dataPrepareForOutput()
                     "\n",
                 ],
                 'expected'    => "\r\n\033[30;1m\\t·\033[0m",
-                'expectedWin' => "\r\n\033[30;1m\\t\033[0m ",
+                'expectedOld' => "\r\n\033[30;1m\\t\033[0m ",
             ],
         ];