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@ 2021-08-13T15:38:00Z

<?php


echo mb_convert_case(
         preg_replace('~(?=\p{Lu})~u', ' ','helloThere'),
         MB_CASE_TITLE
     );

Output
Performance
VLD
References
Branches

mb_convert_case: documentation ( source)

preferences:dark modelive previewkey bindings

47.94 ms | 1402 KiB | 5 Q