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<?php declare(strict_types = 1); $contributors = ['Me', 'To']; array_walk($contributors, function(string $contributor) : string { return sprintf("%s, thank you very much for PHP7!", $contributor); }); var_dump($contributors); //echo implode("\n", $results);
Output for git.master, git.master_jit, rfc.property-hooks
array(2) { [0]=> string(2) "Me" [1]=> string(2) "To" }

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