Benchmark

benchmark-sprintf-vs-str_repeat_and_strlen

<?php 

/**
* @author Ammar Faizi <ammarfaizi2@gmail.com>
* @license MIT
* @link https://t.me/laravelindonesia/111952
*/
for ($i=0; $i<10; $i++) {
    echo "Test ".$i."\n";

    $start = microtime(true);
    $a =  "TR".date("ym");
    $no = 1;
    $string = $no ." = ". $a.str_repeat("0", 3 - strlen($no)).$no.PHP_EOL;
    $no = 10;
    $string = $no ." = ". $a.str_repeat("0", 3 - strlen($no)).$no.PHP_EOL;
    $no = 100;
    $string = $no ." = ". $a.str_repeat("0", 3 - strlen($no)).$no.PHP_EOL;
    $end = microtime(true);
    echo "str_repeat+strlen = ". number_format($t1 = $end - $start, 15)."\n";

    $start = microtime(true);
    $a =  "TR".date("ym");
    $no = 1;
    $string = $a . sprintf('%03d', $no);
    $no = 10;
    $string = $a . sprintf('%03d', $no);
    $no = 100;
    $string = $a . sprintf('%03d', $no);
    $end = microtime(true);
    echo "sprintf = ". number_format($t2 = $end - $start, 15)."\n";


    echo "Which faster? ".($t2 > $t1 ? "str_repeat+strlen" : "sprintf")."\n";
    echo "Timediff = ".(number_format(abs($t2-$t1), 15))."\n\n";
}