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<?php $array = [ 2 => (object)['title' => 'Section', 'linked' => 1], 1 => (object)['title' => 'Sub-Section', 'linked' => 1], 0 => (object)['title' => 'Sub-Sub-Section', 'linked' => null] ]; var_export(array_reverse($array));
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
array ( 0 => (object) array( 'title' => 'Sub-Sub-Section', 'linked' => NULL, ), 1 => (object) array( 'title' => 'Sub-Section', 'linked' => 1, ), 2 => (object) array( 'title' => 'Section', 'linked' => 1, ), )

preferences:
122.32 ms | 403 KiB | 121 Q