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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.
25 cze 2023 · The fprintf () function is used to write formatted data to a specified output stream. 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";
The fprintf() function writes a formatted string to a stream, usually a file. This function takes a special format string and then any number of other arguments, which will be formatted and spliced into the specified places in the format string to generate the result.
Syntax. int fprintf ( resource $handle , string $format [, mixed $args [, mixed $... ]] ) 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; . $file = fopen("sample.txt","r"); . .
Example #1 fprintf: formatting currency <?php if (!($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 ...
fprintf (resource $stream, string $format, mixed...$values): int Write a string produced according to format to the stream resource specified by stream . Parameters
