101) PHP, multi-File upload

is to add a function based on the previous single file upload:

　　　　

　　　　

1<?PHP2     /**3 * Upload function4 * @param $tmp Five informations of _file $_files, such as Upload ($_files (' Mingzi ')5 * $_files inside name is your corresponding HTML code in the upload file of that name6 * @return BOOL failed to return false, success is true7      */8$tmp _file=$_files[' Picture'];9 function upload ($tmp _file) {Ten      One         /** A * Is there an error -          */ -          the         if($tmp _file['Error']!=0){ -Echo'File Upload error'; -             return false; -         } +         /** - * Size, + * This function is set by itself, but it should be initialized, that is, the value is variable, not a fixed value.  A          */ at        -$max _size=1024x768*1024x768;//The maximum size you set -         if($tmp _file['size']>$max _size) { -Echo"file too large"; -             return false; -         } in         /** - * Verify the suffix name, to * with authentication suffix and mime method +          */ -                 //the first is to verify the suffix name the$tmp _FILE_ZHUI=STRRCHR ($tmp _file['name'],'.') ; *                 //the STRRCHR function is to cut the last occurrence of a string. Include this. All subsequent interception $         //a map array of suffixes, which is actually the suffix table that satisfies the condition (represented by an associative array)Panax Notoginseng$tmp _file_zhui_list=Array ( -             '. PNG','. gif','. JPEG','. jpg' the         ); +         if(!In_array ($tmp _file_zhui, $tmp _file_zhui_list)) { AEcho"There is a problem with the file format"; the             return false; +         } -                 //That's the $_files[' type '. There is a format, the following is the corresponding mapping table $$tmp _file_zhui_mimelist=Array ( $             '. PNG'=>array ('Image/png','Image/x-png'), -             '. jpg'=>array ('Image/jpeg','Image/x-pjpeg'), -             '. JPEG'=>array ('Image/jpeg','Image/pjpeg'), the             '. gif'=>array ('Image/gif'), -         );Wuyi$old _list=array ();//The following directly with $old_list not, I think this is a statement, this is the addition of the         //To get the real mapping table, because in my suffix mapping table, may not be these four, once changed, my following mapping relationship, I have to change myself, so, I use a foreach, what is the suffix above, I will give him what $_file[' type ' format, And get the MIME mapping table I want. -         foreach($tmp _file_zhui_list as$value) { Wu             foreach($tmp _file_zhui_mimelist[$value] as$key =$item) { - //var_dump ($tmp _file_zhui_mimelist[$value [$key]); About$new _mime_list=Array_merge ($old _list, (array) $tmp _file_zhui_mimelist[$value] [$key]); $$old _list=$new _mime_list; -             } -              -         } A         //Go heavy +$new _mime_list=Array_unique ($new _mime_list); the          -         //then verify with MIME $$phpfinfo =NewFinfo (fileinfo_mime_type); the$f _type= $phpfinfo->file ($tmp _file['Tmp_name']); the echo $f _type; the         if(!In_array ($f _type, $new _mime_list)) { theEcho"file format is incorrect"; -             return false; in         } the         //suffix verification is complete.  the         //Create a folder to save my temporary files About         if(!is_dir ('./wangchao')){ themkdir'./wangchao'); the         } the          +$sub _dir_name=date ('y--m-d-h');//interception Date Hour -         //Unipid is to produce a random name, you can experiment with echo uniqid (); theMove_uploaded_file ($tmp _file['Tmp_name'],'./wangchao/'. Uniqid ('Wang_'. $sub _dir_name.'_'). $tmp _file_zhui);Bayi         return true; the     } the upload ($tmp _file); -  -  the /* the The basic steps are: the ① See if $_files[' error ' has burst the ② Look at the size of the file - ③ Look at the format of the file, divided into suffixes and mime authentication the ④ Create a folder to access temporary upload files the ⑤ return Results the 94  */ the function Uploadsome ($tmp _files) { the     foreach($tmp _files as$key =$value) { the$tmp _file['name']= $tmp _files['name'[$key];98$tmp _file['type']= $tmp _files['type'[$key]; About$tmp _file['Tmp_name']= $tmp _files['Tmp_name'[$key]; -$tmp _file['Error']= $tmp _files['Error'[$key];101$tmp _file['size']= $tmp _files['size'[$key];102 upload ($tmp _file);103     }104}

Multi-File upload looks like:

　　　　

　　　　

101) PHP, multi-File upload