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<?php function changeNames($people) { foreach ($people as $key => $person) { $people[$key]['name'] = strtoupper($person['name']); } return $people; } $myPeople = [ ['name' => 'foo'], ['name' => 'bar'] ]; $myPeople = changeNames($myPeople); var_dump($myPeople);
Output for git.master, git.master_jit, rfc.property-hooks
array(2) { [0]=> array(1) { ["name"]=> string(3) "FOO" } [1]=> array(1) { ["name"]=> string(3) "BAR" } }

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