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<?php $likes = 'Apple, Samsung, Microsoft'; $portion = strrchr($likes, ','); $likes = str_replace($portion, (" and" . substr($portion, 1, -1)), $likes); var_dump($likes);
Output for 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 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14
string(27) "Apple, Samsung and Microsof"

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