image uploading using php
<?php
$n = 10;
function getRandomString($n)
{
$characters = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
$randomString = '';
for ($i = 0; $i < $n; $i++) {
$index = rand(0, strlen($characters) - 1);
$randomString .= $characters[$index];
}
return $randomString;
}
$filename= $_FILES['userfile']['name'];
$source= $_FILES['userfile']['tmp_name'];
$destination="photo/".getRandomString($n).$filename;
echo $destination,"<br>";
$type=pathinfo(basename($destination),PATHINFO_EXTENSION);
if($type==="jpg" || $type==="png")
{
echo"allowed";
move_uploaded_file($source, $destination);
}
else
{
echo"not allowed";
}
?>
<html>
<head>
</head>
<body>
<form method="post" enctype="multipart/form-data">
<input type="file" name="userfile" required>
<br><br>
<input type="submit" name="save">
</form>
</body>
</html>
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