The default value of the escape option is now an empty string

Author: hlecorche

UPGRADE-2.0.md

@@ -1,3 +1,4 @@
 # UPGRADE FROM 1.x to 2.0
 
 * Remove deprecated `unix2dos_path` option
+* The default value of the `escape` option is now an empty string (previously `\`), to ensure compliance with RFC 4180

src/Csv.php

@@ -62,7 +62,7 @@ public function __construct(string $pathDir, string $filename, array $options =
             'delimiter' => ',',
             'enclosure' => '"',
             'eol' => self::EOL_LF,
-            'escape' => '\\',
+            'escape' => '',
             'add_utf8_bom' => false,
         ]);
         $resolver->setAllowedTypes('header', ['null', 'array']);

tests/CsvTest.php

@@ -56,7 +56,7 @@ public function testWithDefaultOption(): void
         $this->assertCsvFile('my-csv.csv', [
             '"a a",bb',
             'cc,dd',
-            '"c""c","d\"d"',
+            '"c""c","d\""d"',
         ]);
     }