Question

How to write formatted string to a text file using fprintf() in PHP

Answer 1

if (!($fp = fopen('d:\\data.txt', 'w'))) 
{
    echo "Error open file";
    return;
}

$day = 18;
$month = 6;
$year =  2016;

fprintf($fp, "%02d-%02d-%04d", $day, $month, $year);

/*
run: 

data.txt:
---------
18-06-2016

*/

 

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Answer 2

if (!($fp = fopen('d:\\data.txt', 'w'))) 
{
    echo "Error open file";
    return;
}

$money = 1235.89;

$character = fprintf($fp, '%01.2f', $money);

echo "wrote $character bytes to data.txt";

// data.txt:
// ---------
// 1235.89

/*
run: 

wrote 7 bytes to data.txt 

*/

 

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