3v4l.org

run code in 300+ PHP versions simultaneously
<?php $count = 10000; $string = 'sdfhksdhfsdfhjskfhsdfhs_kshfksdhfksdhfsjkd_kjsdfhksdfhjsdfhsdj_jsdfhkshfj'; for ($i = 0; $i < $count; $i++) { str_replace('_', ' ', $string); }

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36.62 ms | 402 KiB | 5 Q