Write a formatted string to a stream_脚本学堂

说明

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.

参数

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

返回值

Returns the length of the outputted string.

范例

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
?>

参见

printf() - Output a formatted string
sprintf() - Return a formatted string
sscanf() - Parses input from a string according to a format
fscanf() - 从文件中格式化输入
vsprintf() - Return a formatted string
number_format() - Format a number with grouped thousands