[ '__array' => [ 'd' => 'lemon', 'a' => 'orange', 'b' => 'banana', 'c' => 'apple', ], 0 => '$array', 1 => 'test_print',]
[ 'result' => [ 'array' => [ 'd' => 'd holds lemon', 'a' => 'a holds orange', 'b' => 'b holds banana', 'c' => 'c holds apple', ], 'bool' => true, ], 'php_version' => '7.1.33 Linux x86_64',]
[ '__array' => [ 'd' => 'lemon', 'a' => 'orange', 'b' => 'banana', 'c' => 'apple', ], 0 => '$array', 1 => 'test_alter', 2 => 'fruit',]
[ 'result' => [ 'array' => [ 'd' => 'fruit: lemon', 'a' => 'fruit: orange', 'b' => 'fruit: banana', 'c' => 'fruit: apple', ], 'bool' => true, ], 'php_version' => '7.1.33 Linux x86_64',]