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<?php $x = [ 'PascalCase' => 'camelCase', 'PascalCase2' => 'camelCase2', ]; // Lets convert the PascalCase keys to camelCase $arr = array_combine( array_map(function($k) { return lcfirst($k); }, array_keys($x)), array_values($x) ); var_dump($arr);
Output for 7.4.0 - 7.4.33, 8.0.1 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
array(2) { ["pascalCase"]=> string(9) "camelCase" ["pascalCase2"]=> string(10) "camelCase2" }
preferences:
133.48 ms | 402 KiB | 123 Q