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vprintf()

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<?php
ob_start();

$int = vprintf (
    , // string $format
      // array $args
);

$contents = ob_get_contents();
ob_end_clean();
?>
Result
$int = 10
$contents = '1998-08-01'
Examples
#1 vprintf  ("%04d-%02d-%02d",
 [0 => 1998, 1 => 8, 2 => 1])
See also
printf, sprintf, vsprintf
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