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<?php $records = array( array( 'id' => 2135, 'first_name' => 'John', 'last_name' => 'Doe', 'extra' => array( 'jelou' => 'hi', 'first_name' => 'Albert' ), ), 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', ) ); $first_names = array_column($records, 'first_name'); print_r($first_names);
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => John [1] => Sally [2] => Jane [3] => Peter )

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