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In this example we are see how to upload a fixed type of files.
we are going to define a function in javascript and using that function we will going to check extension of file which will get upload.
also encrypt filename using php so file not get overwrite, we are going to add current time span with filename so if one are more file of same name get uploaded will not overwrite each other.
very simple code... see example for details...
| <?php
$message=' ';
$error=false;
$link=" ";
if (isset($_POST['submit_Tut'])) {
if ($_FILES['Tut_thumb']['tmp_name'] !=""){
$now_time = date('YmdHis');
$tmpName = $_FILES['Tut_thumb']['tmp_name'];
copy ($_FILES['Tut_thumb']['tmp_name'], "upload/".$now_time.$_FILES['Tut_thumb']['name'])
or die ("Could not copy");
$message="<span style='color:#FF0000;'>File uploaded successfully ...!</span>";
$error=true;
}
}
?>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<title>TechXcel</title>
<script type="text/javascript" language="JavaScript">
function vldFrm_Submit_Tut(){
var result = true;
var msg="";
if (document.newtut.Tut_thumb.value !=" ") {
if(document.newtut.Tut_thumb.value.lastIndexOf('.HTML') > -1 ||document.newtut.Tut_thumb.value.lastIndexOf('.html') > -1 ||document.newtut.Tut_thumb.value.lastIndexOf('.php') > -1 ||document.newtut.Tut_thumb.value.lastIndexOf('.PHP') > -1 ||document.newtut.Tut_thumb.value.lastIndexOf('.TXT') > -1 ||document.newtut.Tut_thumb.value.lastIndexOf('.txt') > -1 ||document.newtut.Tut_thumb.value.lastIndexOf('.gif') > -1 || document.newtut.Tut_thumb.value.lastIndexOf('.png') > -1 || document.newtut.Tut_thumb.value.lastIndexOf('.jpg') > -1 || document.newtut.Tut_thumb.value.lastIndexOf('.GIF') > -1|| document.newtut.Tut_thumb.value.lastIndexOf('.PNG') > -1 || document.newtut.Tut_thumb.value.lastIndexOf('.JPG') > -1){
}else{
msg="HTML, txt, php,jpg, png or gif file can be upload! \n";
document.newtut.Tut_thumb.focus();
document.getElementById('Tut_thumb').style.border="1px red solid";
result = false;
}
}
if(msg==""){
return result;
}{
alert(msg)
return result;
}
}
</script>
</head>
<body>
<form name="newtut" action="upload.php" method="post" id="commentform" enctype="multipart/form-data" onSubmit="return vldFrm_Submit_Tut();">
<p>
<label>File Upload... </label>
</p>
<?php
if($error){
echo'<p>'.$message.'</p>';
}
?>
<input type="file" name="Tut_thumb" id="Tut_thumb" value="" size="22" tabindex="8">
<label><strong> Select a file </strong></label>
<br>
<input name="submit_Tut" type="submit" id="submit1" tabindex="12" value="Submit" class="button1">
</form>
</body>
</html> | |
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