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<?php $arr = [ "Country" => "Canada", "Provinces" => [ "Quebec", "Ontario", "British Columbia" ] ]; array_splice($arr["Provinces"], 0, 1); print_r($arr);
Output for 5.6.4, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
Array ( [Country] => Canada [Provinces] => Array ( [0] => Ontario [1] => British Columbia ) )
preferences:
114.34 ms | 408 KiB | 5 Q