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<?php $string = "This is a string"; $words = explode(' ', $string); $pairs = []; for ($x = 0; $x < (count($words) -1); $x++) { $pairs[$x] = $words[$x] .' ' . $words[$x + 1]; } var_dump($pairs);
Output for git.master, git.master_jit, rfc.property-hooks
array(3) { [0]=> string(7) "This is" [1]=> string(4) "is a" [2]=> string(8) "a string" }

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