Set \PhpOffice\Common\String::isUTF8 deprecated.

Roman Syroeshko · Roman Syroeshko · commit 9596429ed62a · 2016-01-23T19:31:11.000+04:00
diff --git a/src/Common/Text.php b/src/Common/Text.php
@@ -115,6 +115,8 @@ public static function controlCharacterOOXML2PHP($value = '')
     /**
      * Check if a string contains UTF-8 data
      *
+     * @deprecated 0.2.4 Use `Zend\Stdlib\StringUtils::isValidUtf8` instead.
+     *
      * @param string $value
      * @return boolean
      */

Original file line number	Diff line number	Diff line change
`@@ -115,6 +115,8 @@ public static function controlCharacterOOXML2PHP($value = '')`
`115`	`115`	`/**`
`116`	`116`	`* Check if a string contains UTF-8 data`
`117`	`117`	`*`
	`118`	+ * @deprecated 0.2.4 Use `Zend\Stdlib\StringUtils::isValidUtf8` instead.
	`119`	`+ *`
`118`	`120`	`* @param string $value`
`119`	`121`	`* @return boolean`
`120`	`122`	`*/`