Introduction of File Upload _php instance via PHP simple example

PHP File Upload Simple example, get file name, type, size and other related information, complete the file upload, for everyone to learn reference.

1, upload the file code:

Code

<?php//Judge whether the temporary file storage path contains the uploaded file if (Is_uploaded_file ($_files["UploadFile" ["Tmp_name"])) {//For more efficient, store the information in the variable $ upfile=$_files["UploadFile"];//use an array-type string to store information about the uploaded file//print_r ($upfile);//If printed, output an array of information like this ([name] => m.jpg [ Type] => image/jpeg [tmp_name] => C:\WINDOWS\Temp\php1A.tmp [ERROR] => 0 [size] => 44905) $name = $upfile ["Name "];//is convenient for later transfer of files named $type = $upfile [' type '];//upload file types $size = $upfile [size]];//upload file sizes $tmp _name= $upfile [" Tmp_name "];//
The temporary name of the user uploads the file $error = $upfile ["Error"];//in the process of uploading the wrong information//echo $name;
 To judge the file type, determine whether to transfer the file, if the requirements set $ok=1 can transfer switch ($type) {case "image/jpg": $ok = 1;
 <a href= "http://www.jb51.net/zt/break/" target= "_blank" class= "Infotextkey" >break</a>;
 Case "Image/jpeg": $ok = 1;
 Break
 Case "Image/gif": $ok = 1;
 Break
 Default: $ok = 0;
Break ///If the file meets the requirements and there are no errors in the upload process ($ok && $error = = ' 0 ') {//Call Move_uploaded_file () function, file transfer Move_uploaded_file ($tmp _
 Name, ' up/'. $name); Successful operation, the prompt echo "<script language=\" <a href= HTTP://WWW.Jb51.net/js/"target=" _blank "class=" Infotextkey ">javascript</a>\" >alert (' succeed ') </script> ";
 }else{//If the file does not conform to the type or if there are errors in the upload process, the prompt fails echo "<script language=\" javascript\ >alert (' failed ') </script> ";} }?>

2, the form of submitting documents

Code

<form enctype= "Multipart/form-data" method= "post" name= "Uploadform" >
<input type= "file" name= UploadFile "value=" Upload File ">
<input type=" Submit "name=" Submit "value=" Upload ">
</form>

The above content is small to share with you through a simple example of php file upload, I hope you like.