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<?php $b['ss'] = 'sds'; $a['ss'] = $b; foreach($a as $key => $value){ $new_array[$key] = $value[1]; } var_dump($new_array);
Output for 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
Warning: Undefined array key 1 in /in/9jfYb on line 6 array(1) { ["ss"]=> NULL }
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 7.1.0 - 7.1.10, 7.2.0 - 7.2.33, 7.3.12 - 7.3.31, 7.4.0 - 7.4.33
Notice: Undefined offset: 1 in /in/9jfYb on line 6 array(1) { ["ss"]=> NULL }
Output for 7.3.32 - 7.3.33
array(1) { ["ss"]=> NULL }
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17
Notice: Undefined offset: 1 in /in/9jfYb on line 6 array(1) { ["ss"]=> NULL }

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