Question

How to use printf() in PHP

Answer 1

$x = 3;
$y = 5;

printf("%d * %d = %d", $x, $y, $x * $y);

/*
run: 
 
3 * 5 = 15
 
*/

 

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Answer 2

$name = 'R2D2';

printf("Hello %s", $name);

/*
run: 
 
Hello R2D2
 
*/

 

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