Pure PHP multiple file upload_PHP tutorial

This example is just PHP, suitable for learning. This example can be added to the code of the database

When uploading multiple files, please select multiple files at once, support doc, jpg, pdf, etc.

This There are many practical multi-file uploads on the site. Here we recommend a "jQuery ajax multi-image upload without refreshing and recording to the database"

2. if(isset($_FILES['files'])){
3. $res = upload_multiple_file($_FILES['files'],"../upload");
4. echo $res;
5. }
8. function upload_multiple_file($file,$file_dir="../upload") {
10. $overwrite=0;
11. $allowed_file_type= array("pdf","ppt","pptx","xls","xlxs","doc","docx","jpg", "jpeg", "png", "gif");
12. $max_file_size = 2097152;
14. foreach($_FILES['files']['name'] as $fkey=> $fname){
16. $ext = pathinfo($fname , PATHINFO_EXTENSION);
17. if (!in_array($ext, $allowed_file_type)) {
19. return "unsupported file format";
20. break;
21. }
24. }
26. foreach($_FILES['files']['tmp_name'] as $key => $tmp_name ){
29. $file_name = $_FILES['files'] ['name'][$key];
32. $file_size =$_FILES['files']['size'][$key];
35. $file_tmp_name =$_FILES['files']['tmp_name'][$key];
38. $file_type=$_FILES['files']['type'][$key];
41. if($file_size >0) {
42. if($file_size > $max_file_size){
44. $fsize=$max_file_size/1048576;
45. return 'File size must be less than '.$fsize.' MB';
46. break;
48. }
49. }
52. if(is_dir($file_dir)==false){
54. $status = mkdir("$file_dir", 0700);
56. if($status
57. return "unable to create diractory $file_dir ";
59. }
61. }
63. if(is_dir($file_dir)){
65. if($overwrite
66. move_uploaded_file($file_tmp_name, "$file_dir/".$file_name);
68. }
70. }
72. // $file_upload_query="INSERT into user_uploads (`u_id`,`file_name`,`file_type `) VALUES('$user_id','$file_name','$file_size','$file_type'); ";
73. //mysql_query($file_upload_query);
76. }
78. return "Success";
80. }
82. ?>

83. 
    Original address: http://www.freejs. net/article_biaodan_103.html

    http://www.bkjia.com/PHPjc/621645.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/621645.htmlTechArticleThis example is just PHP, suitable for learning. This example can be added to the database code. Please upload multiple files once. Select multiple files, support doc jpg pdf and other more practical multiple files on this site...