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<?php $time = microtime(true); for ($i = 0; $i < 1000000; $i++) { preg_match('/^label-(.+)/', 'label-en_US', $matches); } $time = microtime(true) - $time; echo 'preg_match() took ' . number_format($time, 3) . ' seconds' . "\n"; $time = microtime(true); for ($i = 0; $i < 10000; $i++) { strpos('label', 'label-en_US'); explode('-', 'label-en_US'); } $time = microtime(true) - $time; echo 'explode() took ' . number_format($time, 3) . ' seconds' . "\n";

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33.22 ms | 402 KiB | 5 Q