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<?php $map = ['position_id'=>[ 'Regular Hours' => [ ['name'=>'Regular Hours', 'hours'=>'40.000','job_id'=>'1'], ], 'Overtime' => [ ['name'=>'Regular Hours', 'hours'=>'40.000','job_id'=>'1'], ], 'Double Overtime' => [ ['name'=>'Regular Hours', 'hours'=>'40.000','job_id'=>'1'], ], ]]; $map = array_map('array_values', $map); $map = array_merge($map); print_r($map);
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 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 - 8.2.19, 8.3.0 - 8.3.7
Array ( [position_id] => Array ( [0] => Array ( [0] => Array ( [name] => Regular Hours [hours] => 40.000 [job_id] => 1 ) ) [1] => Array ( [0] => Array ( [name] => Regular Hours [hours] => 40.000 [job_id] => 1 ) ) [2] => Array ( [0] => Array ( [name] => Regular Hours [hours] => 40.000 [job_id] => 1 ) ) ) )

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205.64 ms | 406 KiB | 293 Q