3v4l.org

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<?php $values = []; const ITERATIONS = 100000; $start = microtime(true); for ($i = 0; $i < ITERATIONS; $i++) { strtr('1_000_000', ['_' => '']); strtr('1000000', ['_' => '']); } $values['strtr'] = microtime(true) - $start; $start = microtime(true); for ($i = 0; $i < ITERATIONS; $i++) { str_replace('_', '', '1_000_000'); str_replace('_', '', '1000000'); } $values['str_replace'] = (microtime(true) - $start); asort($values); echo array_key_first($values). "\n"; foreach ($values as $key => $val) { // echo "\n".str_pad($key, 14, ' ') . number_format($val * 1000 / ITERATIONS, 5) . " ms / k"; }
Output for 8.2.0, 8.2.2, 8.2.4, 8.2.7, 8.2.9, 8.2.11, 8.2.14, 8.2.16, 8.2.20, 8.2.22, 8.2.25, 8.3.4, 8.3.6, 8.3.9, 8.4.1
str_replace
Output for 8.2.1, 8.2.3, 8.2.5 - 8.2.6, 8.2.8, 8.2.10, 8.2.12 - 8.2.13, 8.2.15, 8.2.17 - 8.2.19, 8.2.21, 8.2.23 - 8.2.24, 8.2.26, 8.3.0 - 8.3.3, 8.3.5, 8.3.7 - 8.3.8, 8.3.10 - 8.3.14
strtr

preferences:
38.71 ms | 409 KiB | 5 Q