PHP file upload-single file upload, _ PHP Tutorial

Php file upload: single file upload ,. Single file upload for php file upload. for simplicity, php file and form are written in a file. php single file Upload ---- 1! DOCTYPEhtml2html3head4metacharsetUTF-8 php file Upload single file upload,

For simplicity, php files and form forms are written in a file.

Php single file Upload ---->

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 0) {24 switch ($ fileInfo ['error']) {25 case $ msg_error = 'the uploaded file exceeds the value of the UPLOAD_MAX_FILESIZE option in the php configuration file '; 27 break; 28 case $ msg_error = 'size beyond the size limit of form MAX_FILE_SIZE '; 30 break; 31 case $ msg_error = 'partial file upload'; 33 break; 34 case 4: 35 $ msg_error = 'No file upload'; 36 break; 37 case 6: 38 $ msg_error = 'no temporary directory found '; 39 break; 40 case 7:41 case 8:42 $ msg_error = 'system error'; 43 break; 44} 45 exit ($ msg_error); 46} 47 $ filename = $ fileInfo ['name' ]; 48 // get the file extension 49 $ ext = strtolower (substr ($ filename, strrpos ($ filename ,'. ') + 1); 50 // defines the file extensions that can be uploaded. 51 $ allowExt = array ('txt', 'HTML ', 'PNG', 'GIF ', 'jpeg '); 52 // check the type of the uploaded file 53 if (! In_array ($ ext, $ allowExt) {54 exit ('upload file type error'); 55} 56 57 58 // check the file size 59 $ maxSize = 2097152; 60 if ($ fileInfo ['size']> $ maxSize) {61 exit ('upload file oversized '); 62} 63 64 // check whether the 65 if (! Is_uploaded_file ($ fileInfo ['tmp _ name']) {66 exit ('file not submitted through http post '); 67} 68 69 // ensure the file name is unique and prevent files with the same name from being overwritten by 70 $ uniqName = md5 (uniqid (microtime (true), true )). '. '. $ ext; 71 72 // defines the folder to store. if this folder is not available, create 73 $ path = 'uploads'; 74 if (! File_exists ($ path) {75 mkdir ($ path, 0777, true); 76 chmod ($ path, 0777); 77} 78 $ destination = $ path. '/'. $ uniqName; 79 80 // move the file to the directory 81 to be saved if (! @ Move_uploaded_file ($ fileInfo ['tmp _ name'], $ destination) {82 exit ('file Upload failed'); 83} 84 85 echo 'uploaded successfully '; 86 87} 88?>

For simplicity, the php file and form are written in a single file. php single file Upload ---- 1! DOCTYPE html 2 html 3 head 4 meta charset = "UTF-8 "...