get_data_url

README.md

@@ -66,12 +66,15 @@ More examples in the "[examples](/examples)" directory.
 |---|---|---|
 | `upload()` | Upload the file and return output of the check() | boolean |
 | `check()` | Check the file can be uploaded | boolean |
-| `get_name()` | Get uploaded file name | string |
-| `get_path()` | Get the path name of the file | string |
+| `get_name()` | Get the uploaded file name | string |
+| `get_tmp_name()` | Get the temporary file path | string |
+| `get_data_url()` | Get the file as base64 encoded data URL | string |
+| `get_path()` | Get the path of the file | string |
 | `get_error()` | Get error message if an error occurred | string |
 
 ### Notes
-[`exif_imagetype()`](https://php.net/manual/en/function.exif-imagetype.php) and [`getimagesize()`](https://php.net/manual/en/function.getimagesize.php) must be allowed on the server.
+* `exif` and `fileinfo` extensions must be enabled.
+* [`exif_imagetype()`](https://php.net/manual/en/function.exif-imagetype.php) and [`getimagesize()`](https://php.net/manual/en/function.getimagesize.php) must be allowed.
 
 ### Contributes
-Please send pull request or open an issue if you have the feature you want.
+Please send pull request or open an issue if you have the feature you want.

examples/data_url.php

@@ -0,0 +1,26 @@
+<?php
+require __DIR__ . '/../src/Uploader.php';
+
+use \iamdual\Uploader;
+
+if (isset($_FILES["file"])) {
+
+    $upload = new Uploader($_FILES["file"]);
+    $upload->allowed_extensions(array("png", "jpg", "jpeg", "gif"));
+    $upload->allowed_types(array("image/png", "image/jpeg"));
+    $upload->max_size(5); // in MB
+    $upload->min_size(0); // in MB
+    $upload->path("upload/files");
+
+    if (!$upload->check()) {
+        echo "Upload error: " . $upload->get_error();
+    } else {
+        echo 'Base64 encoded data URL: <textarea>'.$upload->get_data_url().'</textarea>';
+    }
+
+}
+?>
+
+<form enctype="multipart/form-data" action="" method="post">
+    Select File: <input type="file" name="file"> <input type="submit" value="Upload">
+</form>

src/Uploader.php

@@ -344,6 +344,23 @@ public function get_tmp_name()
         return isset($this->file["tmp_name"]) ? $this->file["tmp_name"] : null;
     }
 
+    /**
+     * Get the data URL of the temporary file
+     * @return string
+     */
+    public function get_data_url()
+    {
+        // https://developer.mozilla.org/en-US/docs/Web/HTTP/Basics_of_HTTP/Data_URIs
+
+        if (isset($this->file["tmp_name"])) {
+            $mime =  mime_content_type($this->file["tmp_name"]);
+            $source = file_get_contents($this->file["tmp_name"]);
+            $encoded = base64_encode($source);
+            return 'data:' . $mime . ';base64,' . $encoded;
+        }
+        return null;
+    }
+
     /**
      * Check the file can be uploaded
      * @return boolean

tests/MethodsTest.php

@@ -27,4 +27,11 @@ public function testGetTmpName()
 
         $this->assertNotNull($upload->get_tmp_name());
     }
+
+    public function testGetDataUrl()
+    {
+        $upload = new \iamdual\Uploader(["name" => "foo.png", "type" => "image/png", "tmp_name" => __DIR__ . "/assets/foo.png", "error" => 0, "size" => 1]);
+
+        $this->assertEquals(trim(file_get_contents(__DIR__ . "/assets/foo.base64")), $upload->get_data_url());
+    }
 }

tests/assets/foo.base64

@@ -0,0 +1 @@
+data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAGQAAAAyBAMAAABYG2ONAAAAFVBMVEUAAAD///9/f39fX1+fn58fHx8/Pz8rYiDqAAAACXBIWXMAAA7EAAAOxAGVKw4bAAAAo0lEQVRIie2Qyw7CIBBFb2DwO5q+1o0L1w0NrrHRPQnV//8EAUl0ga1ujIs5CZAz4YYZAIZhmN/QQOkjzq3LLuv6xUrQHmTJGphcEGE9rUQ3Y4bqqrDjAlgQoJK9Z8YBmFy8Gp8DeSeTfRSBCf2I6/JN5ORiRfrNiIfqh9S9SVPL27A1C0G4EX2eJR7J1iI7rbG0Vf4x0UwPW0Uh3i0bwzD/yR11mBj1DIKiVwAAAABJRU5ErkJggg==