(PHP 5)
vfprintf — Write a formatted string to a stream
Write a string produced according to format to the stream resource specified by handle .
Operates as fprintf() but accepts an array of arguments, rather than a variable number of arguments.
See sprintf() for a description of format .
Returns the length of the outputted string.
Example #1 vfprintf(): zero-padded integers
<?phpif (!($fp = fopen('date.txt', 'w'))) return;vfprintf($fp, "%04d-%02d-%02d", array($year, $month, $day));// will write the formatted ISO date to date.txt?>
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