tmpfile
(PHP 4, PHP 5)
tmpfile — Creates a temporary file
說明
resource tmpfile
( void
)
Creates a temporary file with a unique name in read-write (w+) mode and returns a file handle .
The file is automatically removed when closed (using fclose()), or when the script ends.
For details, consult your system documentation on the tmpfile(3) function, as well as the stdio.h header file.
Return值
Returns a file handle, similar to the one returned by fopen(), for the new file, or FALSE on failure.
範例
Example#1 tmpfile() example
<?php
$temp = tmpfile();
fwrite($temp, "writing to tempfile");
fseek($temp, 0);
echo fread($temp, 1024);
fclose($temp); // this removes the file
?>
上例將輸出：
writing to tempfile