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run code in 300+ PHP versions simultaneously
<?php $first="\x00\x01\x02"; $second="\x00\x01\x03"; var_dump(similar_text($first,$second,$percent),$percent,bin2hex($first),bin2hex($second));
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
int(2) float(66.66666666666667) string(6) "000102" string(6) "000103"
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.28, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
int(2) float(66.666666666667) string(6) "000102" string(6) "000103"

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337.77 ms | 405 KiB | 431 Q