Easily Send JSON Data And Upload Multiple File
Learn how to use javascript fetch function to send json data to your server and upload multiple files via php.
Learn more about fetch function.
HTML & Javascript Code:
<!DOCTYPE html>
<html>
<head>
<title> Fetch JS - Code With Mark </title>
<meta name="viewport" content="width=device-width, initial-scale=1">
<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.6.0/css/bootstrap.min.css">
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.1.0/jquery.min.js"></script>
<script src="https://cdnjs.cloudflare.com/ajax/libs/twitter-bootstrap/4.6.0/js/bootstrap.min.js"></script>
<script type="text/javascript">
$(document).ready(function($)
{
//https://developer.mozilla.org/en-US/docs/Web/API/Fetch_API/Using_Fetch
$(document).on('click', '.btn_get_api_data', function(event)
{
event.preventDefault();
const url = 'https://randomuser.me/api/';
const options =
{
method: 'GET', // *GET, POST, PUT, DELETE
};
fetch(url, options)
.then(response => response.json())
.then(json =>
{
var str = JSON.stringify(json.results, null, 5);
$(document).find('.post_msg').html('<pre class="bg-dark text-white">'+str+'</pre>');
}
).catch(err =>
console.error(err)
);
});
//--->load user screen > start
$(document).on('click', '.btn_load_user_screen', function(event)
{
event.preventDefault();
var s1 = $(document).find('.container_user_screen').html();
$(document).find('.post_msg').html(s1);
});
//--->load user screen > end
//--->upload file > start
$(document).on('click', '.btn_upload_file_data', function(event)
{
event.preventDefault();
let e0 = $(document).find('.post_msg');
//get file objects
let f0 = e0.find('#f0')[0].files;
let f1 = e0.find('#f1')[0].files;
let f2 = e0.find('#f2')[0].files;
let fd = new FormData();
fd.append('user_name', e0.find('.user_name').val());
fd.append('user_email', e0.find('.user_email').val());
//single file
fd.append('file_obj_0',f0[0]);
//get all the files for group 1
$.each(f1, function(i1, v1)
{
fd.append('file_obj_1[]',v1);
});
//get all the files for group 2
$.each(f2, function(i2, v2)
{
fd.append('file_obj_2[]',v2);
});
const url = 'ajax.php';
const options =
{
method: 'POST',
body: fd,
};
fetch(url, options)
.then(response => response.json())
.then(json =>
{
var s1 = $(document).find('.post_msg');
var str = JSON.stringify(json, null, 5);
s1.html('<pre class="bg-dark text-white">'+str+'</pre>');
if(json.file_obj_1.length > 0)
{
$.each(json.file_obj_1, function(i1, v1)
{
var t1 = ''
+'<div class="1col-md-3">'
+'<img src="'+v1.download_file_path+'" class="rounded-circle" width="100" height="100">'
+'<br>'
+'<a href="'+v1.download_file_path+'" download class="btn btn-success">Download File</a>'
+'</div>'
;
s1.append(t1);
});
s1.append('<br><br>');
}
}
).catch(err =>
console.error(err)
);
});
//--->upload file > end
});
</script>
</head>
<body>
<div style="padding-top:30px;">
<div class="container text-center">
<h1 class="">Fetch - Upload Files </h1>
<div class="btn btn-success btn_get_api_data">Get API Data</div> | <div class="btn btn-success btn_load_user_screen">Upload File</div>
<br><br>
<div class="post_msg text-left"></div>
</div>
</div>
<div style="display:none;" class="container_user_screen">
<div class="form-group">
<label for="usr">Name:</label>
<input type="text" class="form-control user_name">
</div>
<div class="form-group">
<label >Email</label>
<input type="text" class="form-control user_email">
</div>
<div class="card" style="padding:10px;">
<label >Single File</label>
<input type="file" id="f0">
<br>
</div>
<br>
<div class="card" style="padding:10px;">
<label >Multiple Files</label>
<input type="file" id="f1" multiple>
<br>
</div>
<br>
<div class="card" style="padding:10px;">
<label >Multiple Files</label>
<input type="file" id="f2" multiple>
</div>
<br>
<span class="btn btn-primary btn_upload_file_data">Upload</span>
</div>
</body>
</html>PHP Code:
<?php
define("ABSPATH", str_replace("\\", "/", dirname(__FILE__) ));
if (isset($_SERVER['HTTPS']) &&
($_SERVER['HTTPS'] == 'on' || $_SERVER['HTTPS'] == 1) ||
isset($_SERVER['HTTP_X_FORWARDED_PROTO']) &&
$_SERVER['HTTP_X_FORWARDED_PROTO'] == 'https') {
$ssl = 'https';
}
else {
$ssl = 'http';
}
$app_url = ($ssl )
. "://".$_SERVER['HTTP_HOST']
//. $_SERVER["SERVER_NAME"]
. (dirname($_SERVER["SCRIPT_NAME"]) == DIRECTORY_SEPARATOR ? "" : "/")
. trim(str_replace("\\", "/", dirname($_SERVER["SCRIPT_NAME"])), "/");
if(isset($_POST['user_name']))
{
$el = $_POST;
$user_name = $el['user_name'];
$user_email = $el['user_email'];
$upload_folder_path = '/uploads/';
$a0 = array();
$a1 = array();
$a2 = array();
//--->upload > single file > start
if(isset($_FILES['file_obj_0']))
{
$file_obj_0 = $_FILES['file_obj_0'];
$v1 = $file_obj_0['name'];
$file_name = $v1;
$ext = pathinfo($file_name, PATHINFO_EXTENSION);
$new_file_name = 'file_obj_0_'. hash('crc32',uniqid()).'.'.$ext;
$fileDest = ABSPATH.$upload_folder_path.$new_file_name;
move_uploaded_file($file_obj_0['tmp_name'] ,$fileDest);
array_push($a0, array(
'old_file_name' => $v1,
'new_file_name' => $new_file_name,
'move_to_folder'=>$app_url.$upload_folder_path,
'download_file_path'=>$app_url.$upload_folder_path.$new_file_name,
));
}
//--->upload > single file > end
//--->upload group files > 1 > start
if(isset($_FILES['file_obj_1']))
{
$file_obj_1 = $_FILES['file_obj_1'];
foreach ($file_obj_1['name'] as $k1 => $v1)
{
$file_name = $v1;
$ext = pathinfo($file_name, PATHINFO_EXTENSION);
$new_file_name = 'file_obj_1_'. hash('crc32',uniqid()).'.'.$ext;
$fileDest = ABSPATH.$upload_folder_path.$new_file_name;
move_uploaded_file($file_obj_1['tmp_name'][$k1] ,$fileDest);
array_push($a1, array(
'old_file_name' => $v1,
'new_file_name' => $new_file_name,
'move_to_folder'=>$app_url.$upload_folder_path,
'download_file_path'=>$app_url.$upload_folder_path.$new_file_name,
));
}
}
//--->upload group files > 1 > end
//--->upload group files > 2 > start
if(isset($_FILES['file_obj_2']))
{
$file_obj_2 = $_FILES['file_obj_2'];
foreach ($file_obj_2['name'] as $k1 => $v1)
{
$file_name = $v1;
$ext = pathinfo($file_name, PATHINFO_EXTENSION);
$new_file_name = 'file_obj_2_'. hash('crc32',uniqid()).'.'.$ext;
$fileDest = ABSPATH.$upload_folder_path.$new_file_name;
move_uploaded_file($file_obj_2['tmp_name'][$k1] ,$fileDest);
array_push($a2, array(
'old_file_name' => $v1,
'new_file_name' => $new_file_name,
'move_to_folder'=>$app_url.$upload_folder_path,
'download_file_path'=>$app_url.$upload_folder_path.$new_file_name,
));
}
}
//--->upload group files > 2 > end
echo json_encode(array(
'user_name'=>$user_name,
'user_email'=>$user_email,
'file_obj_0' => $a0,
'file_obj_1' => $a1,
'file_obj_2' => $a2,
));
}
?>
