PHP is_uploaded_file()Functions
Complete PHP Filesystem Reference Manual
Definition and Usage
The is_uploaded_file() function checks whether the specified file was uploaded via HTTP POST.
If the file was uploaded via HTTP POST, the function returns TRUE.
Syntax
is_uploaded_file(file)
| Parameter | Description |
|---|---|
| file | Required. Specifies the file to check. |
Tips and Notes
Note:The results of this function are cached. Use clearstatcache() to clear the cache.
Examples
<?php
$file = "test.txt";
if(is_uploaded_file($file))
{
echo ("$file is uploaded via HTTP POST");
}
else
{
echo ("$file is not uploaded via HTTP POST");
}
?>
$file = "test.txt";
if(is_uploaded_file($file))
{
echo ("$file is uploaded via HTTP POST");
}
else
{
echo ("$file is not uploaded via HTTP POST");
}
?>
The code above will output:
test.txt is not uploaded via HTTP POST
Complete PHP Filesystem Reference Manual Other Extensions