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<?php $a = array('franz' => 'deleon', 'cheryl' => 'chua'); foreach ($a as $key => $val) { unset($a['franz']); } var_dump($a);
Output for 4.3.0 - 5.6.21, hhvm-3.10.0 - 3.12.0, 7.0.0 - 7.1.0
array(1) { ["cheryl"]=> string(4) "chua" }