Update Application.php

Author: SinSquare

src/Application.php

@@ -74,14 +74,32 @@ public function fixFiles()
 
     private function getFileDominantLineEnding(string $file)
     {
-        $n = preg_match_all('/(?<!\r)\n/', $file);
-        $rn = preg_match_all('/(?<=\r)\n/i', $file);
-
-        if ($rn > $n) {
-            return "\r\n";
+        static $eols = array(
+            "\0x000D000A", // [UNICODE] CR+LF: CR (U+000D) followed by LF (U+000A)
+            "\0x000A",     // [UNICODE] LF: Line Feed, U+000A
+            "\0x000B",     // [UNICODE] VT: Vertical Tab, U+000B
+            "\0x000C",     // [UNICODE] FF: Form Feed, U+000C
+            "\0x000D",     // [UNICODE] CR: Carriage Return, U+000D
+            "\0x0085",     // [UNICODE] NEL: Next Line, U+0085
+            "\0x2028",     // [UNICODE] LS: Line Separator, U+2028
+            "\0x2029",     // [UNICODE] PS: Paragraph Separator, U+2029
+            "\0x0D0A",     // [ASCII] CR+LF: Windows, TOPS-10, RT-11, CP/M, MP/M, DOS, Atari TOS, OS/2, Symbian OS, Palm OS
+            "\0x0A0D",     // [ASCII] LF+CR: BBC Acorn, RISC OS spooled text output.
+            "\0x0A",       // [ASCII] LF: Multics, Unix, Unix-like, BeOS, Amiga, RISC OS
+            "\0x0D",       // [ASCII] CR: Commodore 8-bit, BBC Acorn, TRS-80, Apple II, Mac OS <=v9, OS-9
+            "\0x1E",       // [ASCII] RS: QNX (pre-POSIX)
+            //"\0x76",       // [?????] NEWLINE: ZX80, ZX81 [DEPRECATED]
+            "\0x15",       // [EBCDEIC] NEL: OS/390, OS/400
+        );
+        $cur_cnt = 0;
+        $cur_eol = "\n";
+        foreach($eols as $eol){
+            if(($count = substr_count($file, $eol)) > $cur_cnt){
+                $cur_cnt = $count;
+                $cur_eol = $eol;
+            }
         }
-
-        return "\n";
+        return $cur_eol;
     }
 
     private function getDocBodyIdent(string $doc)