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<?php $arr = [ 0 => [ 0 => 201767.11, 1 => 514324.91, 2 => 73205.74, ], 1 => [ 0 => 349399.51, 1 => 647217.10, 2 => 3500.00, ], 2 => [ 0 => 285169.05, 1 => 522357.20, 2 => 10.00, ], 3 => [ 0 => 126858.21, 1 => 185190.59, 2 => 0, ], ]; $arr = array_map(null, ...$arr); $temp = array_map(function ($item) { return implode(", ", $item); }, $arr); print_r($temp);die;
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => 201767.11, 349399.51, 285169.05, 126858.21 [1] => 514324.91, 647217.1, 522357.2, 185190.59 [2] => 73205.74, 3500, 10, 0 )

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