Fixed bug Str::trim cannot support the default rules "\n\r\t\v" for trim/ltrim/rtim. (#7068)

Author: guandeng

src/Str.php

@@ -1251,7 +1251,9 @@ public static function reverse($value): string
     public static function trim($value, $charlist = null)
     {
         if ($charlist === null) {
-            return preg_replace('~^[\s\x{FEFF}\x{200B}\x{200E}]+|[\s\x{FEFF}\x{200B}\x{200E}]+$~u', '', $value) ?? trim($value);
+            $trimDefaultCharacters = " \n\r\t\v";
+
+            return preg_replace('~^[\s\x{FEFF}\x{200B}\x{200E}' . $trimDefaultCharacters . ']+|[\s\x{FEFF}\x{200B}\x{200E}' . $trimDefaultCharacters . ']+$~u', '', $value) ?? trim($value);
         }
 
         return trim($value, $charlist);
@@ -1267,7 +1269,9 @@ public static function trim($value, $charlist = null)
     public static function ltrim($value, $charlist = null)
     {
         if ($charlist === null) {
-            return preg_replace('~^[\s\x{FEFF}\x{200B}\x{200E}]+~u', '', $value) ?? ltrim($value);
+            $ltrimDefaultCharacters = " \n\r\t\v";
+
+            return preg_replace('~^[\s\x{FEFF}\x{200B}\x{200E}' . $ltrimDefaultCharacters . ']+~u', '', $value) ?? ltrim($value);
         }
 
         return ltrim($value, $charlist);
@@ -1283,7 +1287,9 @@ public static function ltrim($value, $charlist = null)
     public static function rtrim($value, $charlist = null)
     {
         if ($charlist === null) {
-            return preg_replace('~[\s\x{FEFF}\x{200B}\x{200E}]+$~u', '', $value) ?? rtrim($value);
+            $rtrimDefaultCharacters = " \n\r\t\v";
+
+            return preg_replace('~[\s\x{FEFF}\x{200B}\x{200E}' . $rtrimDefaultCharacters . ']+$~u', '', $value) ?? rtrim($value);
         }
 
         return rtrim($value, $charlist);

tests/StrTest.php

@@ -979,6 +979,15 @@ public function testTrim()
         );
 
         $this->assertSame("\xE9", Str::trim(" \xE9 "));
+
+        $trimDefaultChars = [' ', "\n", "\r", "\t", "\v"];
+
+        foreach ($trimDefaultChars as $char) {
+            $this->assertSame('', Str::trim(" {$char} "));
+            $this->assertSame(trim(" {$char} "), Str::trim(" {$char} "));
+            $this->assertSame('foo bar', Str::trim("{$char} foo bar {$char}"));
+            $this->assertSame(trim("{$char} foo bar {$char}"), Str::trim("{$char} foo bar {$char}"));
+        }
     }
 
     public function testLtrim()
@@ -999,6 +1008,15 @@ public function testLtrim()
             ')
         );
         $this->assertSame("\xE9 ", Str::ltrim(" \xE9 "));
+
+        $ltrimDefaultChars = [' ', "\n", "\r", "\t", "\v"];
+
+        foreach ($ltrimDefaultChars as $char) {
+            $this->assertSame('', Str::ltrim(" {$char} "));
+            $this->assertSame(ltrim(" {$char} "), Str::ltrim(" {$char} "));
+            $this->assertSame("foo bar {$char}", Str::ltrim("{$char} foo bar {$char}"));
+            $this->assertSame(ltrim("{$char} foo bar {$char}"), Str::ltrim("{$char} foo bar {$char}"));
+        }
     }
 
     public function testRtrim()
@@ -1020,6 +1038,15 @@ public function testRtrim()
         );
 
         $this->assertSame(" \xE9", Str::rtrim(" \xE9 "));
+
+        $rtrimDefaultChars = [' ', "\n", "\r", "\t", "\v"];
+
+        foreach ($rtrimDefaultChars as $char) {
+            $this->assertSame('', Str::rtrim(" {$char} "));
+            $this->assertSame(rtrim(" {$char} "), Str::rtrim(" {$char} "));
+            $this->assertSame("{$char} foo bar", Str::rtrim("{$char} foo bar {$char}"));
+            $this->assertSame(rtrim("{$char} foo bar {$char}"), Str::rtrim("{$char} foo bar {$char}"));
+        }
     }
 
     public function testSquish()