What types of data can be encoded into JSON using the json_encode() function in PHP?

  • Arrays, objects, strings, numbers, booleans, and null values
  • Arrays, objects, strings, integers, floats, booleans, and null values
  • Arrays, objects, strings, integers, booleans, and undefined values
  • Arrays, objects, strings, integers, booleans, and empty values
The json_encode() function in PHP can encode various types of data into JSON. It can handle arrays, objects, strings, numbers (integers and floats), booleans, and null values. The correct option is "Arrays, objects, strings, numbers, booleans, and null values" as it includes all the mentioned data types that can be encoded into JSON using json_encode(). For further information, consult the PHP documentation on json_encode(): http://php.net/manual/en/function.json-encode.php
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