[ 0 => [ 'a' => 'green', 0 => 'red', 'b' => 'green', 1 => 'blue', 2 => 'red', ],]
[ 'result' => [ 'array' => [ 'a' => 'green', 0 => 'red', 1 => 'blue', ], ], 'php_version' => '7.1.33 Linux x86_64',]
[ 0 => [ 0 => 4, 1 => '4', 2 => '3', 3 => 4, 4 => 3, 5 => '3', ],]
[ 'result' => [ 'array' => [ 0 => 4, 2 => '3', ], ], 'php_version' => '7.1.33 Linux x86_64',]