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bogdan » php string output speed test

11:54 pm on Feb 14, 2017 | read the article | tags: buggy

during the development of a new resource-sensitive project, i wondered what is the best PHP string output method and thus compared the following:

<?php
/*  A: */	printf ('some value %d != %d' . "\n", $c, $c+1); 
/*  B: */	vprintf ('some value %d != %d' . "\n", [ $c, $c+1 ]); 
/*  C: */	vprintf ('some value %d != %d%s', [ $c, $c+1, "\n" ]); 
/*  D: */	echo sprintf ('some value %d != %d' . "\n", $c, $c+1); 
/*  E: */	echo vsprintf ('some value %d != %d' . "\n", [ $c, $c+1 ]); 
/*  F: */	echo vsprintf ('some value %d != %d%s', [ $c, $c+1, "\n" ]);
/*  G: */	echo 'some value ' . $c . ' != ' . ($c+1) . "\n";
/*  H: */	echo "some value $c != " . ($c+1) . "\n";
/*  I: */	?>some value <?php echo $c; ?> != <?php echo $c+1; ?>
<?php ?>

each statement was run inside a for loop, for one million cycles, for a total number of five times. the results were as follows:

on average, the best I is 11.37 times faster than the next, followed by H, A, D, G, B, E, C and F, which is worst, 18.90 times slower than I.