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The fprintf() function writes a formatted string to a specified output stream (example: file or database). The arg1, arg2, ++ parameters will be inserted at percent (%) signs in the main string. This function works "step-by-step".
Description. fprintf (resource $stream, string $format, mixed...$values): int. Write a string produced according to format to the stream resource specified by stream. Parameters. stream. A file system pointer resource that is typically created using fopen (). format.
Example #1 fprintf: 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 ...
15 mar 2023 · Here is an example of how to use the fprintf() function: <?php $file = fopen ("report.txt", "w"); $name = "John"; $age = 30; $income = 50000; fprintf ($file, "Name: %s\nAge: %d\nIncome: $%.2f", $name, $age, $income / 12); fclose ($file); ?>
25 cze 2023 · It allows you to write data to a file or even directly to the browser. Here's a simple example to demonstrate how to use the fprintf () function: php. Copy code. $file = fopen ("output.txt", "w"); // Open the file in write mode if ($file) {. $name = "John"; $age = 25;
fprintf() funkcja zapisuje sformatowany ciąg do określonego strumienia wyjściowego (example: file or database). Arg1, arg2, ++ parametry zostaną wstawione w procentach (%) znaków w głównym ciągiem.
Definition and Usage. It is used to write a formatted string to a stream. Return Values. It returns the length of the string written. Parameters. Example. Try out the following example. <?php. $input = 123; . $file = fopen("sample.txt","r"); . . fprintf($file,"%f",$input); ?> This will produce following result − −. 123.000000. Print Page.
