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<?php $records = array( array( 'id' => 2135, 'first_name' => 'John', 'last_name' => 'Doe', ), array( 'id' => 3245, 'first_name' => 'Sally', 'last_name' => 'Smith', ), array( 'id' => 5342, 'first_name' => 'Jane', 'last_name' => 'Jones', ), array( 'id' => 5623, 'first_name' => 'Peter', 'last_name' => 'Doe', ) ); array_walk($records, function ($v, $k) use (&$new) { $result[] = ['first_name' => $v['first_name']]; }); print_r($result);
Output for git.master, git.master_jit, rfc.property-hooks
Warning: Undefined variable $result in /in/a6neV on line 27

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