<?php $var = 'React/Controller/Website/User'; $s = microtime(true); for ($i = 0; $i < 1000; $i++) $result = strtr($var, '/', '_'); printf('%.09f', microtime(true) - $s); var_dump($result); echo "\n"; $s = microtime(true); for ($i = 0; $i < 1000; $i++) $result = str_replace('/', '_', $var); printf('%.09f', microtime(true) - $s); var_dump($result);
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