PHP -> Funkcie -> Funkcie pre prácu s reťazcami PHP -> fprintf
Syntax
int fprintf ( resource handle, string format [, mixed args [, mixed ...] ] )
Popis
Príkaz jazyka PHP
fprintf -- Write a formatted string to a stream
Write a string produced according to format to the stream resource specified by handle. format is described in the documentation for sprintf.
Returns the length of the outputted string.
Príklad
//zero-padded integers:
<?php
if (!
($fp = fopen
('date.txt',
'w')))
return;
fprintf($fp,
"%04d-%02d-%02d",
$year,
$month,
$day);
// will write the formatted ISO date to date.txt
?>
//formatting currency:
<?php
if (!
($fp = fopen
('currency.txt',
'w')))
return;
$money1 = 68.75;
$money2 = 54.35;
$money =
$money1 +
$money2;
// echo $money will output "123.1";
$len =
fprintf($fp,
'%01.2f',
$money);
// will write "123.10" to currency.txt
echo "wrote $len bytes to currency.txt";
// use the return value of fprintf to determine how many bytes we wrote
?>
Pozri aj
printf, sprintf, sscanf, fscanf, vsprintf, a number_format