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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));
Output for 8.1.0 - 8.1.30, 8.2.0 - 8.2.25, 8.3.0 - 8.3.13
Warning: Undefined variable $x in /in/3heVg on line 8 Deprecated: str_split(): Passing null to parameter #1 ($string) of type string is deprecated in /in/3heVg on line 8 string(18) "I can't found Nemo"

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