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<?php $originalString = "Hello world, what do you think of today's weather"; $findString = ' '; $nthOccurrence = 8; $newWord = ' beautiful '; function replaceNth(string $input, string $find, string $replacement, int $nth = 1): string { $pattern = '/(?:.*?\K' . preg_quote($find, '/') . '){' . $nth . '}/'; return preg_replace($pattern, $replacement, $input, 1); } echo replaceNth($originalString, $findString, $newWord, $nthOccurrence);
Output for git.master, git.master_jit, rfc.property-hooks
Hello world, what do you think of today's beautiful weather

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