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<?php $str = 'JAMES "JIMMY" SMITH'; echo ucwords(strtolower($str), ' "');
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.26, 8.0.0 - 8.0.13, 8.1rc1 - rc3
James "Jimmy" Smith

preferences:
42.25 ms | 460 KiB | 5 Q