file upload php

Solutions on MaxInterview for file upload php by the best coders in the world

showing results for - "file upload php"

07 May 2017

1//This is the minimal code for an image upload for first time learners
2//html portion
3<!DOCTYPE html>
4<html>
5<head>
6	<title>ImageUpload</title>
7</head>
8<body>
9	<form action="upload.php" method="post" enctype="multipart/form-data">
10		<label>Username</label>
11		<input type="text" name="username">
12		<br>
13		<label>UploadImage</label>
14		<input type="file" name='myfile'>
15		<br/>
16		<input type="submit" value="upload">
17	</form>
18</body>
19</html>
20  
21 //php portion
22  <?php
23	$user=$_POST['username'];
24	$image=$_FILES['myfile'];
25	echo "Hello $user <br/>";
26	echo "File Name<b>::</b> ".$image['name'];
27
28	move_uploaded_file($image['tmp_name'],"photos/".$image['name']);
29	//here the "photos" folder is in same folder as the upload.php, 
30	//otherwise complete url has to be mentioned
31	?>

source

Jacob

01 Jun 2019

1
2                if(isset($_FILES['image']))
3                {
4                    $img_name = $_FILES['image']['name'];      //getting user uploaded name
5                    $img_type = $_FILES['image']['type'];       //getting user uploaded img type
6                    $tmp_name = $_FILES['image']['tmp_name'];   //this temporary name is used to save/move file in our folder.
7                    
8                    // let's explode image and get the last name(extension) like jpg, png
9                    $img_explode = explode(".",$img_name);
10                    $img_ext = end($img_explode);   //here we get the extension of an user uploaded img file
11
12                    $extension= ['png','jpeg','jpg','gif']; //these are some valid img extension and we are store them in array.
13

Cassandra

02 Sep 2019

1
2<?php
3if(isset($_POST['btn-upload']))
4{    
5     
6 $file = rand(1000,100000)."-".$_FILES['file']['name'];
7    $file_loc = $_FILES['file']['tmp_name'];
8 $file_size = $_FILES['file']['size'];
9 $file_type = $_FILES['file']['type'];
10 $folder="uploads/";
11 
12 move_uploaded_file($file_loc,$folder.$file);
13 $sql="INSERT INTO tbl_uploads(file,type,size) VALUES('$file','$file_type','$file_size')";
14 mysql_query($sql); 
15}
16?>

Mattia

04 Feb 2016

1<?php
2/*
3echo "<pre>";
4echo "FILES:<br>";
5print_r ($_FILES );
6echo "</pre>";
7*/
8if ( $_FILES['uploaddatei']['name']  <> "" )
9{
10    // Datei wurde durch HTML-Formular hochgeladen
11    // und kann nun weiterverarbeitet werden
12
13    // Kontrolle, ob Dateityp zulässig ist
14    $zugelassenedateitypen = array("image/png", "image/jpeg", "image/gif");
15
16    if ( ! in_array( $_FILES['uploaddatei']['type'] , $zugelassenedateitypen ))
17    {
18        echo "<p>Dateitype ist NICHT zugelassen</p>";
19    }
20    else
21    {
22        // Test ob Dateiname in Ordnung
23        $_FILES['uploaddatei']['name'] 
24                               = dateiname_bereinigen($_FILES['uploaddatei']['name']);
25
26        if ( $_FILES['uploaddatei']['name'] <> '' )
27        {
28            move_uploaded_file (
29                 $_FILES['uploaddatei']['tmp_name'] ,
30                 'hochgeladenes/'. $_FILES['uploaddatei']['name'] );
31
32            echo "<p>Hochladen war erfolgreich: ";
33            echo '<a href="hochgeladenes/'. $_FILES['uploaddatei']['name'] .'">';
34            echo 'hochgeladenes/'. $_FILES['uploaddatei']['name'];
35            echo '</a>';
36        }
37        else
38        {
39            echo "<p>Dateiname ist nicht zulässig</p>";
40        }
41    }
42}
43
44function dateiname_bereinigen($dateiname)
45{
46    // erwünschte Zeichen erhalten bzw. umschreiben
47    // aus allen ä wird ae, ü -> ue, ß -> ss (je nach Sprache mehr Aufwand)
48    // und sonst noch ein paar Dinge (ist schätzungsweise mein persönlicher Geschmach ;)
49    $dateiname = strtolower ( $dateiname );
50    $dateiname = str_replace ('"', "-", $dateiname );
51    $dateiname = str_replace ("'", "-", $dateiname );
52    $dateiname = str_replace ("*", "-", $dateiname );
53    $dateiname = str_replace ("ß", "ss", $dateiname );
54    $dateiname = str_replace ("ß", "ss", $dateiname );
55    $dateiname = str_replace ("ä", "ae", $dateiname );
56    $dateiname = str_replace ("ä", "ae", $dateiname );
57    $dateiname = str_replace ("ö", "oe", $dateiname );
58    $dateiname = str_replace ("ö", "oe", $dateiname );
59    $dateiname = str_replace ("ü", "ue", $dateiname );
60    $dateiname = str_replace ("ü", "ue", $dateiname );
61    $dateiname = str_replace ("Ä", "ae", $dateiname );
62    $dateiname = str_replace ("Ö", "oe", $dateiname );
63    $dateiname = str_replace ("Ü", "ue", $dateiname );
64    $dateiname = htmlentities ( $dateiname );
65    $dateiname = str_replace ("&", "und", $dateiname );
66    $dateiname = str_replace (" ", "und", $dateiname );
67    $dateiname = str_replace ("(", "-", $dateiname );
68    $dateiname = str_replace (")", "-", $dateiname );
69    $dateiname = str_replace (" ", "-", $dateiname );
70    $dateiname = str_replace ("'", "-", $dateiname );
71    $dateiname = str_replace ("/", "-", $dateiname );
72    $dateiname = str_replace ("?", "-", $dateiname );
73    $dateiname = str_replace ("!", "-", $dateiname );
74    $dateiname = str_replace (":", "-", $dateiname );
75    $dateiname = str_replace (";", "-", $dateiname );
76    $dateiname = str_replace (",", "-", $dateiname );
77    $dateiname = str_replace ("--", "-", $dateiname );
78
79    // und nun jagen wir noch die Heilfunktion darüber
80    $dateiname = filter_var($dateiname, FILTER_SANITIZE_URL);
81    return ($dateiname);
82}
83?>
84
85<form name="uploadformular" 
86      enctype="multipart/form-data" action="dateiupload.php" method="post">
87Datei: <input type="file" name="uploaddatei" size="60" maxlength="255">
88<input type="Submit" name="submit" value="Datei hochladen">
89</form>

Delfina

24 Jul 2019

1// To change: FILENAME, array with allowed extensions, Max Filesite, Filepath
2if(upload("FILENAME", array("jpeg","jpg","png"), 209715, "C:/xampp/htdocs/")){
3        echo "Success";
4    }
5
6
7function upload($f_name, $f_ext_allowed, $f_maxsize, $f_path){
8
9      $f_name_2 = $_FILES[$f_name]['name'];
10      $f_size  =  $_FILES[$f_name]['size'];
11      $f_tmp   =  $_FILES[$f_name]['tmp_name'];
12      $f_error =  $_FILES[$f_name]['error'];
13      $f_ext   = strtolower(end(explode('.',$f_name_2)));
14      $f_rename = $_SESSION['uid'] . "." . $f_ext;
15
16        if($f_error == 0 && in_array($f_ext, $f_ext_allowed) 
17        && $f_size < $f_maxsize && mb_strlen($f_name_2, "UTF-8") < 225 
18        && preg_match("`^[-0-9A-Z_\.]+$`i", $f_name_2)){
19            if(move_uploaded_file($f_tmp, $f_path . $f_name_2){
20                return true;
21            }else{
22                return false;
23            }
24        }else{
25            return false;
26        }
27}

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