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<?php $string = "tHis iS a StRinG thAt NeEds ProPer CapiTilization"; echo mb_convert_case($string, MB_CASE_TITLE, 'UTF-8');
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
This Is A String That Needs Proper Capitilization

preferences:
145.39 ms | 402 KiB | 152 Q