Question

How to use fscanf() inside a while loop in PHP

Answer 1

$in = fopen('php://stdin', "r");
$out = fopen('php://stdout', "w");

echo "Enter numbers, 42 to exit:\n";

while (true) {
	fscanf($in, "%d", $n);
	if ($n == 42) {
	    break;
	}
	fwrite($out, sprintf("%d\n", $n));
}
 
fclose($in);
fclose($out);



/*
run:

Enter numbers, 42 to exit:
5
5
8
8
0
0
47564
47564
42

*/

 

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