Create php-rest-api-file-upload.php

Author: roytuts

php-rest-api-single-file-upload/server/php-rest-api-file-upload.php

@@ -0,0 +1,45 @@
+<?php
+
+header("Acess-Control-Allow-Origin: *");
+header("Content-Type: application/json");
+header("Acess-Control-Allow-Methods: POST");
+header("Acess-Control-Allow-Headers: Acess-Control-Allow-Headers,Content-Type,Acess-Control-Allow-Methods, Authorization");
+
+$data = json_decode(file_get_contents("php://input"), true); // collect input parameters and convert into readable format
+	
+$fileName  =  $_FILES['sendfile']['name'];
+$tempPath  =  $_FILES['sendfile']['tmp_name'];
+$fileSize  =  $_FILES['sendfile']['size'];
+		
+if(empty($fileName)) {
+	echo json_encode(array("message" => "please select a file", "status" => false));	
+} else {
+	$upload_path = 'upload/'; // set upload folder path 
+	
+	$fileExt = strtolower(pathinfo($fileName, PATHINFO_EXTENSION)); // get file extension
+	
+	// valid file extensions
+	$valid_extensions = array('jpeg', 'jpg', 'png', 'gif', 'pdf', 'docx', 'txt'); 
+					
+	// allow valid file formats
+	if(in_array($fileExt, $valid_extensions)) {
+		//check file does not exist in the upload folder path
+		if(!file_exists($upload_path . $fileName)) {
+			// check file size '5MB'
+			if($fileSize < 5000000) {
+				if(move_uploaded_file($tempPath, $upload_path . $fileName)) { // move file from system temporary path to the upload folder path
+					echo json_encode(array("message" => "File Uploaded Successfully", "status" => true));
+				} else {
+					echo json_encode(array("message" => "File couldn't be uploaded", "status" => false));
+				}
+			} else {		
+				echo json_encode(array("message" => "Sorry, your file is too large, please upload 5 MB size", "status" => false));
+			}
+		} else {		
+			echo json_encode(array("message" => "Sorry, file already exists check upload folder", "status" => false));
+		}
+	} else {
+		echo json_encode(array("message" => "Sorry, only JPG, JPEG, PNG, GIF, PDF, DOCX &amp; TEXT files are allowed", "status" => false));
+	}
+}
+