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run code in 300+ PHP versions simultaneously
<?php $str = '🏴󠁧󠁢󠁥󠁮󠁧󠁿'; $res = [ 'strlen' => strlen($str), 'mb_strlen' => mb_strlen($str), 'grapheme_strlen' => grapheme_strlen($str), ]; echo json_encode($res, JSON_PRETTY_PRINT); /* { "strlen": 28, "mb_strlen": 7, "grapheme_strlen": 1 } */
Output for git.master, git.master_jit, rfc.property-hooks
{ "strlen": 28, "mb_strlen": 7, "grapheme_strlen": 1 }

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