Fix deprecated curly brace syntax for string

twose · web-flow · commit 15c129ec3b47 · 2022-09-26T23:34:59.000+08:00
Closes #32.
diff --git a/tools/generator b/tools/generator
@@ -20,7 +20,7 @@ function scan_dir(string $dir, callable $filter = null): array
 {
     $files = scandir($dir);
     $files = array_filter($files, function (string $f) {
-        return $f{0} !== '.';
+        return $f[0] !== '.';
     });
     array_walk($files, function (string &$value) use ($dir) {
         $value = rtrim($dir, '/') . '/' . $value;

Original file line number	Diff line number	Diff line change
`@@ -20,7 +20,7 @@ function scan_dir(string $dir, callable $filter = null): array`
`20`	`20`	`{`
`21`	`21`	`$files = scandir($dir);`
`22`	`22`	`$files = array_filter($files, function (string $f) {`
`23`		`- return $f{0} !== '.';`
	`23`	`+ return $f[0] !== '.';`
`24`	`24`	`});`
`25`	`25`	`array_walk($files, function (string &$value) use ($dir) {`
`26`	`26`	`$value = rtrim($dir, '/') . '/' . $value;`