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<?php $output = array( "2019-03-17" => array("data_values" => 1566), "2019-03-18" => array("data_values" => 1542), "2019-03-19" => array("data_values" => 786), "2019-03-20" => array("data_values" => 756) ); $dates = implode(',', array_keys($output)); $data_values = implode(',', array_column($output, 'data_values')); echo "$dates\n$data_values";
Output for 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.34, 8.2.0 - 8.2.30, 8.3.0 - 8.3.30, 8.4.1 - 8.4.18, 8.5.0 - 8.5.3
2019-03-17,2019-03-18,2019-03-19,2019-03-20 1566,1542,786,756
Output for 5.3.0
Fatal error: Call to undefined function array_column() in /in/KgMQl on line 10
Process exited with code 255.

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