PHP file upload Script :: online picture upload

• Check the file if it is allowed for upload or not. We can check for file size, file extension, file name etc.
• Copy the file to server.
• Place the file in required directory and then give necessary file permission.

<form action='uploadck.php' method=post  enctype='multipart/form-data' >
Upload this file: <input type=file name='file_up'>
<input type=submit value='Upload Image'></FORM>

$_FILES[file_up];

$_FILES[file_up][size]

$_FILES[file_up][name]
$_FILES[file_up][size]
$_FILES[file_up][type]
$_FILES[file_up][tmp_name]
$_FILES[file_up][error]

Maximum allowed file upload size.

<?Php
echo "Maximum allowed file size: ".ini_get('upload_max_filesize');
echo "<br>";
echo "Maximum input time : ".ini_get('max_input_time');
echo "<br>";
echo "Maximum execution time : ".ini_get('max_execution_time');
echo "<br>";
echo "Maximum Post size : ".ini_get('post_max_size');
?>

if ($_FILES[file_up][size]>250000){
$msg=$msg."Your uploaded file size is more than 250KB so please reduce the file size and then upload.<BR>";
$file_upload="false";
}

<?Php
$file_upload_flag="true"; // Flag to check conditions
$file_up_size=$_FILES['file_up'][size];

echo "File Name:".$_FILES[file_up][name];
echo "<br>File Size:".$_FILES[file_up][size];
echo "<br>File Type:".$_FILES[file_up][type];
echo "<br>File tmp_name:".$_FILES[file_up][tmp_name];
echo "<br>File error:".$_FILES[file_up][error];
echo "<br>---End of uploaded file details---<br><br>";

if ($_FILES[file_up][size]>250000){
$msg=$msg."Your uploaded file size is more than 250KB ";
$msg.=" so please reduce the file size and then upload.<BR>";
$file_upload_flag="false";
}

// allow only jpeg or gif files, remove this if not required //
if (!($_FILES[file_up][type] =="image/jpeg" OR $_FILES[file_up][type] =="image/gif"))
{$msg=$msg."Your uploaded file must be of JPG or GIF. ";
$msg.="Other file types are not allowed<BR>";
$file_upload_flag="false";}

$file_name=$_FILES[file_up][name];
// the path with the file name where the file will be stored
$add="upload/$file_name"; 

if($file_upload_flag=="true"){ // checking the Flag value 

if(move_uploaded_file ($_FILES[file_up][tmp_name], $add)){
// do your coding here to give a thanks message or any other thing.
$msg="File successfully uploaded";
}else{
echo "Failed to upload file Contact Site admin to fix the problem";
}
}else{
$msg .= " Failed to upload file ";
}
echo " $msg <br><br> <a href=upload.php>Return to File upload </a>";
?>