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<?php $arr = [ 0 => [ "name" => "A1", "project" => [ 0 => "New Project", ], ], 1 => [ "name" => "A2", "project" => [ 0 => "New Project", 2 => "Project", ], ], ]; array_walk($arr, function (&$val) { $val['project'] = implode(",", $val['project']); }); print_r($arr);
Output for 7.1.25 - 7.1.30, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Array ( [0] => Array ( [name] => A1 [project] => New Project ) [1] => Array ( [name] => A2 [project] => New Project,Project ) )
preferences:
199.83 ms | 403 KiB | 167 Q