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run code in 200+ php & hhvm versions
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<?php $s1 = 'natujeszczak'; $s2 = 'piekierski'; var_dump(similar_text($s1, $s2)); var_dump(similar_text($s2, $s1));
Output for 4.3.0 - 7.3.0rc4
int(3) int(2)