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<?php $X = '{"a":"a","b":"b","c":"c","d":"d","e":"e","f":"f9","g":"g2","h":"h1"}'; print_r((fn()=>array_keys(json_decode($X,1)))()); print_r((fn()=>array_values(json_decode($X,1)))());
Output for git.master, git.master_jit
Array ( [0] => a [1] => b [2] => c [3] => d [4] => e [5] => f [6] => g [7] => h ) Array ( [0] => a [1] => b [2] => c [3] => d [4] => e [5] => f9 [6] => g2 [7] => h1 )

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