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<?php $text = "Héllo Bob's and Russ’ new-found folks — goodbye"; var_export( array_reduce( preg_match_all("~([^\p{L}`'-]*)([\p{L}`'-]+)~u", $text, $m, PREG_SET_ORDER) ? $m : [], function($result, $m) { static $last = 0; $last += mb_strlen($m[1]); $result[] = [$m[2] => $last]; $last += mb_strlen($m[2]); return $result; }, [] ) );
Output for 8.0.1 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
array ( 0 => array ( 'Héllo' => 0, ), 1 => array ( 'Bob\'s' => 6, ), 2 => array ( 'and' => 12, ), 3 => array ( 'Russ' => 16, ), 4 => array ( 'new-found' => 22, ), 5 => array ( 'folks' => 32, ), 6 => array ( 'goodbye' => 40, ), )
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74.59 ms | 1165 KiB | 5 Q