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<?php $x = 'Hi Nemo'; function solution (string $str) { foreach(str_split($x) as $wordNum => $value) { if ($value === 'Nemo') { return "I found Nemo at $wordNum"; } } return 'I can\'t found Nemo'; } var_dump(solution($x));

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31.14 ms | 405 KiB | 5 Q