[Yaml] dump escape sequences when possible

xabbuh · xabbuh · commit 997103d93125 · 2017-03-07T17:47:02.000+01:00
diff --git a/src/Symfony/Component/Yaml/Inline.php b/src/Symfony/Component/Yaml/Inline.php
@@ -688,7 +688,7 @@ public static function evaluateBinaryScalar($scalar)
 
     private static function isBinaryString($value)
     {
-        return !preg_match('//u', $value) || preg_match('/[^\x09-\x0d\x20-\xff]/', $value);
+        return !preg_match('//u', $value) || preg_match('/[^\x00\x07-\x0d\x1B\x20-\xff]/', $value);
     }
 
     /**

Original file line number	Diff line number	Diff line change
`@@ -688,7 +688,7 @@ public static function evaluateBinaryScalar($scalar)`
`688`	`688`
`689`	`689`	`private static function isBinaryString($value)`
`690`	`690`	`{`
`691`		`- return !preg_match('//u', $value) \|\| preg_match('/[^\x09-\x0d\x20-\xff]/', $value);`
	`691`	`+ return !preg_match('//u', $value) \|\| preg_match('/[^\x00\x07-\x0d\x1B\x20-\xff]/', $value);`
`692`	`692`	`}`
`693`	`693`
`694`	`694`	`/**`