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<?php $items = array( array( 'type' => 'desktop', 'visits' => 10 ), array( 'type' => 'desktop', 'visits' => 10 ), array( 'type' => 'desktop', 'visits' => 10 ), array( 'type' => 'desktop', 'visits' => 10 ) ); $sum = array_map('array_sum',array_column($items,'visits')); var_dump($sum);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Fatal error: Uncaught TypeError: array_sum(): Argument #1 ($array) must be of type array, int given in /in/BpKjG:9 Stack trace: #0 [internal function]: array_sum(10) #1 /in/BpKjG(9): array_map('array_sum', Array) #2 {main} thrown in /in/BpKjG on line 9
Process exited with code 255.
Output for 7.3.0 - 7.3.33, 7.4.0 - 7.4.33
Warning: array_sum() expects parameter 1 to be array, int given in /in/BpKjG on line 9 Warning: array_sum() expects parameter 1 to be array, int given in /in/BpKjG on line 9 Warning: array_sum() expects parameter 1 to be array, int given in /in/BpKjG on line 9 Warning: array_sum() expects parameter 1 to be array, int given in /in/BpKjG on line 9 array(4) { [0]=> NULL [1]=> NULL [2]=> NULL [3]=> NULL }
Output for 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33
Warning: array_sum() expects parameter 1 to be array, integer given in /in/BpKjG on line 9 Warning: array_sum() expects parameter 1 to be array, integer given in /in/BpKjG on line 9 Warning: array_sum() expects parameter 1 to be array, integer given in /in/BpKjG on line 9 Warning: array_sum() expects parameter 1 to be array, integer given in /in/BpKjG on line 9 array(4) { [0]=> NULL [1]=> NULL [2]=> NULL [3]=> NULL }
Output for 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45
Fatal error: Call to undefined function array_column() in /in/BpKjG on line 9
Process exited with code 255.
Output for 4.4.5 - 4.4.9
Fatal error: Call to undefined function: array_column() in /in/BpKjG on line 9
Process exited with code 255.
Output for 4.3.2 - 4.3.11, 4.4.0 - 4.4.4
Fatal error: Call to undefined function: array_column() in /in/BpKjG on line 9
Process exited with code 255.
Output for 4.3.0 - 4.3.1
Fatal error: Call to undefined function: array_column() in /in/BpKjG on line 9

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