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PHP Quiz PHP CertificatePHP is_uploaded_file() Function
Complete PHP Filesystem Reference
Definition and Usage
The is_uploaded_file() function checks whether the specified file is uploaded via HTTP POST.
This function returns TRUE if the file is uploaded via HTTP POST.
Syntax
is_uploaded_file(file)
| Parameter | Description |
|---|---|
| file | Required. Specifies the file to check |
Tips and Notes
Note: The result of this function are cached. Use clearstatcache() to clear the cache.
Example
<?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 output of the code above could be:
test.txt is not uploaded via HTTP POST
Complete PHP Filesystem Reference
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