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tempnam

Description

The tempnam of Filesystem for PHP create file with unique file name.

Syntax

tempnam(
    string $directory,
    string $prefix
): string|false

Parameters

dir

The directory where the temporary filename will be created.

prefix

The prefix of the generated temporary filename.

NOTE: Only the first 63 characters of the prefix are used. Windows only uses the first 3 characters of the prefix.

Return

Returns the new temporary filename (with path), or false on failure.

Examples

1 · dir prefix

<?

$dir = sys_get_temp_dir();
$prefix = 'tmp';

$return = tempnam($dir, $prefix);

echo $return;

unlink($return);

?>
/tmp/tmpBluSDp

2

<?

$dir = sys_get_temp_dir();
$prefix = 'tmp';

$return = tempnam($dir, $prefix);

echo $return;

$stream = fopen($return, 'w');

    fwrite($stream, 'writing to tempfile');

fclose($stream);

unlink($return);

?>
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