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