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<?php $indexed = [ ['id' => 'john', 'name' => 'John', 'age' => 29], ['id' => 'peter', 'name' => 'Peter', 'age' => 30], ['id' => 'harry', 'name' => 'Harry', 'age' => 19], ]; var_export(array_column($indexed, null, 'id'));
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
array ( 'john' => array ( 'id' => 'john', 'name' => 'John', 'age' => 29, ), 'peter' => array ( 'id' => 'peter', 'name' => 'Peter', 'age' => 30, ), 'harry' => array ( 'id' => 'harry', 'name' => 'Harry', 'age' => 19, ), )
Output for 5.4.16
Fatal error: Call to undefined function array_column() in /in/3ZmPb on line 8
Process exited with code 255.

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156.09 ms | 407 KiB | 5 Q