Version 3.0

New technologies

api/common/Alias/File.php

@@ -0,0 +1,46 @@
+<?php
+namespace Common\Alias;
+
+use function Safe\{fopen,fclose,fwrite};
+use Common\Concept\File as FileInterface;
+
+abstract class File implements FileInterface
+{
+    protected string $filename;
+    public function setFilename(string $filename): FileInterface
+    {
+        $this->filename = $filename;
+        return $this;
+    }
+    public function getFilename(): string
+    {
+        return $this->filename;
+    }
+
+    public function isDir(): bool
+    {
+        return is_dir($this->getFilename());
+    }
+    public function isReadable(): bool
+    {
+        return is_readable($this->getFilename());
+    }
+    public function isWriteable(): bool
+    {
+        return is_writeable($this->getFilename());
+    }
+
+    public function read(?int $length = null): string
+    {
+        $fh = fopen($this->getFilename(), 'r');
+        $str = fgets($fh, $length);
+        fclose($fh);
+        return $str;
+    }
+    public function write(string $data, ?int $length = null): void
+    {
+        $fh = fopen($this->getFilename(), 'r');
+        fwrite($fh, $data, $length);
+        fclose($fh);
+    }
+}