Online PHP editor | output for HMpgI

<?php $arrayA = [ ["sentence" => "Hello world", "nextSpeaker" => 0], ["sentence" => "Hello world again", "nextSpeaker" => 1], ["sentence" => "Hello world twice!", "nextSpeaker" => 1], ]; $arrayB = [ ["sentence" => "Bye world", "nextSpeaker" => 1], ["sentence" => "Bye world again", "nextSpeaker" => 0], ["sentence" => "Bye world twice", "nextSpeaker" => 0], ]; $arrays = [$arrayA, $arrayB]; $pullFrom = 0; $result = []; while ($arrays[0] && $arrays[1]) { $result[] = $row = array_shift($arrays[$pullFrom]); $pullFrom = $row['nextSpeaker'] ? 1 - $pullFrom : $pullFrom; } var_export(array_merge($result, ...$arrays));