String Functions
PHP Manual

vfprintf

(PHP 5)

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

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