Description
string tempnam (string dir, string prefix)
Creates a unique temporary filename in the specified directory.
If the directory does not exist, tempnam() may
generate a filename in the system's temporary directory.
The behaviour of the tempnam() function is
system dependent. On Windows the TMP environment variable will
override the dir parameter, on Linux the
TMPDIR environment variable has precedence, while SVR4 will always
use your dir parameter if the directory it
points to exists. Consult your system documentation on the
tempnam(3) function if in doubt.
Returns the new temporary filename, or the null string on
failure.
Example 1. Tempnam() example
$tmpfname = tempnam ("/tmp", "FOO");
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See also tmpfile().
