[Filesystem] fix for PHP 8

nicolas-grekas · nicolas-grekas · commit 7cdf7d24892e · 2020-09-27T15:07:29.000+02:00
diff --git a/Filesystem.php b/Filesystem.php
@@ -599,13 +599,13 @@ public function mirror($originDir, $targetDir, \Traversable $iterator = null, $o
      */
     public function isAbsolutePath($file)
     {
-        return strspn($file, '/\\', 0, 1)
+        return '' !== (string) $file && (strspn($file, '/\\', 0, 1)
             || (\strlen($file) > 3 && ctype_alpha($file[0])
                 && ':' === $file[1]
                 && strspn($file, '/\\', 2, 1)
             )
             || null !== parse_url($file, \PHP_URL_SCHEME)
-        ;
+        );
     }
 
     /**

Original file line number	Diff line number	Diff line change
`@@ -599,13 +599,13 @@ public function mirror($originDir, $targetDir, \Traversable $iterator = null, $o`
`599`	`599`	`*/`
`600`	`600`	`public function isAbsolutePath($file)`
`601`	`601`	`{`
`602`		`- return strspn($file, '/\\', 0, 1)`
	`602`	`+ return '' !== (string) $file && (strspn($file, '/\\', 0, 1)`
`603`	`603`	`\|\| (\strlen($file) > 3 && ctype_alpha($file[0])`
`604`	`604`	`&& ':' === $file[1]`
`605`	`605`	`&& strspn($file, '/\\', 2, 1)`
`606`	`606`	`)`
`607`	`607`	`\|\| null !== parse_url($file, \PHP_URL_SCHEME)`
`608`		`- ;`
	`608`	`+ );`
`609`	`609`	`}`
`610`	`610`
`611`	`611`	`/**`