Decode PHP strings to prevent slashes in output

Decode PHP strings, so in the final JSON e.g. __('Don\'t') becomes
"Don't" instead of "Don\\'t"

src/Scanner.php

@@ -48,6 +48,8 @@ public function findTranslations()
         foreach ($this->disk->allFiles($this->scanPaths) as $file) {
             if (preg_match_all("/$matchingPattern/siU", $file->getContents(), $matches)) {
                 foreach ($matches[2] as $key) {
+                    // Decode php strings, so in the final JSON e.g. __('Don\'t') becomes "Don't" instead of "Don\\'t"
+                    $key = stripcslashes($key);
                     if (preg_match("/(^[a-zA-Z0-9:_-]+([.][^\1)\ ]+)+$)/siU", $key, $arrayMatches)) {
                         [$file, $k] = explode('.', $arrayMatches[0], 2);
                         $results['group'][$file][$k] = '';

tests/ScannerTest.php

@@ -31,7 +31,7 @@ public function it_finds_all_translations()
         $this->scanner = app()->make(Scanner::class);
         $matches = $this->scanner->findTranslations();
 
-        $this->assertEquals($matches, ['single' => ['single' => ['This will go in the JSON array' => '', 'This will also go in the JSON array' => '', 'trans' => '']], 'group' => ['lang' => ['first_match' => ''], 'lang_get' => ['first' => '', 'second' => ''], 'trans' => ['first_match' => '', 'third_match' => ''], 'trans_choice' => ['with_params' => '']]]);
+        $this->assertEquals($matches, ['single' => ['single' => ['This will go in the JSON array' => '', 'This will also go in the JSON array' => '', 'This will go in the JSON array, and it\'ll properly unescape the apostrophe.' => '', 'trans' => '']], 'group' => ['lang' => ['first_match' => ''], 'lang_get' => ['first' => '', 'second' => ''], 'trans' => ['first_match' => '', 'third_match' => ''], 'trans_choice' => ['with_params' => '']]]);
         $this->assertCount(2, $matches);
     }
 }

tests/fixtures/scan-tests/__.txt

@@ -3,4 +3,6 @@ __('This will go in the JSON array')
 
 __(
     'This will also go in the JSON array'
-)
+)
+
+__('This will go in the JSON array, and it\'ll properly unescape the apostrophe.')