String Functions

vfprintf

(PHP 5, PHP 7)

vfprintf — Write a formatted string to a stream

Description

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
format: See sprintf() for a description of format.
args

Return Values

Returns the length of the outputted string.

Examples

Example #1 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() - Output a formatted string
sprintf() - Return a formatted string
sscanf() - Parses input from a string according to a format
fscanf() - Parses input from a file according to a format
vsprintf() - Return a formatted string
number_format() - Format a number with grouped thousands

String Functions