JSON Cheat Sheet

Types

{
    "string": "Hello, World!",
    "integer": 25
}

String

{
    "single-quoted": "Hello, World!",
    "no-quotes": "Hello, World!"
}

Numbers

{
    "float": 3.14
}

Array

[
    "item1",
    "item2",
    "item3"
]

2D Array

[
    [1, 2, 3],
    [4, 5, 6]
]

Objects of Objects

{
    "parent": {
        "child1": "value1",
        "child2": "value2"
    }
}

Array of Objects

[
    {
        "name": "John",
        "age": 30
    },
    {
        "name": "Jane",
        "age": 25
    }
]

Objects of Array

{
    "object_with_array": {
        "key": ["item1", "item2"]
    }
}

Access Object

{
    "key": "value"
}

Access Array

[
    "item1",
    "item2"
]

Access Array of Objects

[
    {
        "name": "John",
        "age": 30
    }
]

Access Nested

{
    "parent": {
        "child": "value"
    }
}

{
    "defaults": {
        "adapter": "postgres",
        "host": "localhost"
    },
    "development": {
        "adapter": "postgres",
        "host": "localhost",
        "database": "dev_db"
    },
    "array": [
        "item1",
        "item2"
    ],
    "object_with_array": {
        "key": ["item1", "item2"]
    },
    "nested": {
        "parent": {
            "child": "value"
        }
    }
}