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<?php $assoc = count_chars('hello', 1); var_export( array_reduce( array_keys($assoc), fn ($result, $k) => $result += [chr($k) => $assoc[$k]], [] ) ); var_export( array_count_values(str_split('hello')) );
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 ( 'e' => 1, 'h' => 1, 'l' => 2, 'o' => 1, )array ( 'h' => 1, 'e' => 1, 'l' => 2, 'o' => 1, )
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