simdjson_key_count Returns the value at a JSON pointer. &reftitle.description; intsimdjson_key_count stringjson stringkey intdepth512 boolthrow_if_uncountable&false; Count the number of elements of the object/array found at the requested JSON pointer. &reftitle.parameters; json The json string being queried. key The JSON pointer string. depth Maximum nesting depth of the structure being validated. The value must be greater than 0, and less than or equal to 2147483647. Callers should use reasonably small values, because larger depths require more buffer space and will increase the recursion depth, unlike the current json_decode implementation. throw_if_uncountable When true, a SimdJsonException will be thrown instead of returning 0 when the value the JSON pointer points to is neither an object nor an array. &reftitle.returnvalues; Returns an &integer; with the number of elements of the value at the given JSON pointer.