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PHP: simple multiple file upload
<?php
$max_file_size = 5*1024*1024; //5MB
$path = "admin/upload/"; // Upload directory
//$count = 0; // nr.successfully uploaded files
$valid_formats = array("rar","zip","7z","pdf","xlsx","xls","docx","doc","txt");
$valid_formats_server = array(
"application/pdf",
"application/octet-stream",
"application/vnd.openxmlformats-officedocument.spreadsheetml.sheet",
"application/vnd.openxmlformats-officedocument.wordprocessingml.document",
"application/msword",
"application/vnd.ms-excel",
"text/plain"
);
//prevent uploading from wrong file types(server secure)
foreach ($_FILES['files']['type'] as $t => $tName) {
if(!in_array($_FILES['files']['type'][$t], $valid_formats_server)){
echo "wrong FILE TYPE";
return;
}
}
// Loop $_FILES to exeicute all files
foreach ($_FILES['files']['name'] as $f => $name) {
if ($_FILES['files']['error'][$f] == 4) {
continue; // Skip file if any error found
}
if ($_FILES['files']['error'][$f] == 0) {
if ($_FILES['files']['size'][$f] > $max_file_size) {
echo $message[] = "$name is too large!";
continue; // Skip large files
}
elseif(!in_array(pathinfo($name, PATHINFO_EXTENSION), $valid_formats)){
echo $message[] = "$name is not a valid format";
continue; // Skip invalid file formats
}
else{ // No error found! Move uploaded files
//if(move_uploaded_file($_FILES["files"]["tmp_name"][$f], $path.$name))
move_uploaded_file($_FILES["files"]["tmp_name"][$f], $path.$name);
//$count++; // counting successful uploadings
}
}
}
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