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PHP upload feature set suffix name judgment and random name, php upload suffix named _php tutorial

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PHP upload feature set suffix name and random name, php upload suffix name


form.php

<HTML><Head>    <Metahttp-equiv= "Content-type"content= "text/html"CharSet= "Utf-8">    <title>Upload Image
  title>
   Head><Body><formMethod= "POST"Action= "upload.php"enctype= "Multipart/form-data">    <inputtype= "hidden"name= "Max_file_seze"value= "2000000">    <inputtype= "File"name= "File"value= "View">    <inputtype= "Submit"value= "Upload"name= "B1"> 
      form> 
       body> 
         HTML  >

upload.php

 Phpinclude("check.php");//Importing Custom Function Files$type=Array("JPG", "gif", "BMP", "JPEG", "PNG");//determine the type of upload file$fileext=Strtolower(Fileext ($_files[' File '] [' Name ']));$uploadfilename= Random (8);if(In_array($fileext,$type)){    $filename=Explode(".",$_files[' File '] [' Name ']); if(Is_uploaded_file($_files[' File '] [' Tmp_name '])){//echo $_files[' file ' [' Tmp_name '];        $flag=Move_uploaded_file($_files[' File '] [' Tmp_name '], "/library/webserver/documents/test/".$uploadfilename.".".$fileext); if($flag){            Echo"Upload success!" "; }Else{            Echo"Error."; }        Echo"Back"; }}

check.php

 PhpHeader("Content-type:text/html;charset=utf8");//get file suffix name functionfunctionFileext ($filename){    $sTemp=STRRCHR($filename, "."); return substr($sTemp, 1);}functionFILEEXT2 ($filename){    $sTemp=Explode(".",$filename); return $sTemp[Count($sTemp)-1];}//generate random file name functionfunctionRandom$length){    $captchaSource= "0123456789abcdefghijklmnopqrstuvwxyz This is an example of a random printout string"; $captchaResult= "2015";//random number return value    $captchaSentry= "";//random number Intermediate variable     for($i= 0;$i<$length;$i++){        $n=Rand(0, 35);#strlen ($captchaSource));        if($n>= 36){            $n= 36 +Ceil(($n-36)/3) * 3; $captchaResult.=substr($captchaSource,$n, 3); }Else{            $captchaResult.=substr($captchaSource,$n, 1); }    }    return $captchaResult;}?>

Consolidate three of files into one:

 Php//get file suffix name functionfunctionFileext ($filename){    $sTemp=STRRCHR($filename, "."); return substr($sTemp, 1);}functionFILEEXT2 ($filename){    $sTemp=Explode(".",$filename); return $sTemp[Count($sTemp)-1];}//generate random file name functionfunctionRandom$length){    $captchaSource= "0123456789abcdefghijklmnopqrstuvwxyz This is an example of a random printout string"; $captchaResult= "2015";//random number return value    $captchaSentry= "";//random number Intermediate variable     for($i= 0;$i<$length;$i++){        $n=Rand(0, 35);#strlen ($captchaSource));        if($n>= 36){            $n= 36 +Ceil(($n-36)/3) * 3; $captchaResult.=substr($captchaSource,$n, 3); }Else{            $captchaResult.=substr($captchaSource,$n, 1); }    }    return $captchaResult;}$type=Array("JPG", "gif", "BMP", "JPEG", "PNG");//determine the type of upload file$fileext=Strtolower(Fileext ($_files[' File '] [' Name ']));$uploadfilename= Random (8);if(In_array($fileext,$type)){    $filename=Explode(".",$_files[' File '] [' Name ']); if(Is_uploaded_file($_files[' File '] [' Tmp_name '])){//echo $_files[' file ' [' Tmp_name '];        $flag=Move_uploaded_file($_files[' File '] [' Tmp_name '], "/library/webserver/documents/test/".$uploadfilename.".".$fileext); if($flag){            Echo"Upload success!" "; }Else{            Echo"Error."; }        Echo"Back"; }}?>    
 
  
     <title>Upload Image</title>

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    php upload file name upload image with unique name in php php image upload and display tutorial php upload and resize image tutorial generate random name php php random name generator php random file name
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