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run code in 500+ PHP versions simultaneously
<?php $string = "OH HeLlo world, it'S \"NiCE\" 'to' sEe you!"; echo mb_convert_case($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 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.21, 8.5.0 - 8.5.6
Oh Hello World, It's "Nice" 'To' See You!
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69.67 ms | 1395 KiB | 4 Q