(PHP 5, PHP 7)
Write a formatted string to a stream
int vfprintf ( resource $handle, string $format, array $args )
Write a string produced according to format to the stream resource specified by handle.
Operates as fprintf() but accepts an array of arguments, rather than a variable number of arguments.
Parameters:
handle
Write a string produced according to format to the stream resource specified by handle.
Operates as fprintf() but accepts an array of arguments, rather than a variable number of arguments.
format
See sprintf() for a description of format.
args
See sprintf() for a description of format.
Returns:
Returns the length of the outputted string.
Examples:
vfprintf() : zero-padded integers
<?php
if (!($fp = fopen('date.txt', 'w')))
return;
vfprintf($fp, "%04d-%02d-%02d", array($year, $month, $day));
// will write the formatted ISO date to date.txt
?>
See also:
printf() -
sscanf() -
fscanf() -
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