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<?php $features = [ "width: 100 m", "method: Nail Down", "method: Main Floor", "Warranty: 25 years", "Color: Red", "Color: Blue" ]; $features = array_reduce($features, function($carry, $item){ $parts = explode(":", $item); $carry[$parts[0]][] = $parts[1]; return $carry; }); foreach ($features as $key => $value) { echo "$key: " . implode(',', $value) . PHP_EOL; }
Output for git.master, git.master_jit, rfc.property-hooks
width: 100 m method: Nail Down, Main Floor Warranty: 25 years Color: Red, Blue

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