<код возврата>УСПЕХ возврата>OK Подробное объяснение примеров операций обработки сигналов в PHP Simdjson_php высокоскоростной синтаксический анализ JSON возврата>OK Подробное объяснение примеров операций обработки сигналов в PHP Simdjson_php высокоскоростной синтаксический анализ JSON

// Check that the string is a valid json:
$isValid = simdjson_isvalid($jsonString); //return bool

// Parse a JSON string, return an array, object, null, similar to json_decode(), and the third parameter is the depth of parsing
$parsedJSON = simdjson_decode($jsonString, true, 512); //return array|object|null. "null" string is not a standard json

/*
{
  "Image": {
    "Width":  800,
    "Height": 600,
    "Title":  "View from 15th Floor",
    "Thumbnail": {
      "Url":    "http://www.example.com/image/481989943",
      "Height": 125,
      "Width":  100
    },
    "Animated" : false,
    "IDs": [116, 943, 234, 38793, {"p": "30"}]
  }
}
*/

// Note. "t" is a partitioner. It must be a control character. It is used to partition the subscript of an object's key or array.
// For example,'Image tThumbnail tUrl'is correct.'Image tThumbnail tUrl' is wrong.


// Get the value of the specified key from the JSON string
$value = simdjson_key_value($jsonString, "Image\tThumbnail\tUrl");
var_dump($value); // string(38) "http://www.example.com/image/481989943"

$value = simdjson_key_value($jsonString, "Image\tIDs\t4", true);
var_dump($value); 
/*
array(1) {
  ["p"]=>
  string(2) "30"
}
*/

// Get the resource parsed by json, parse it only once, and then use it no longer
$resource = simdjson_resource($jsonString);
// Get the value of the specified key from the JSON resource
$value = simdjson_key_value($resource, "Image\tThumbnail\tUrl");
var_dump($value); // string(38) "http://www.example.com/image/481989943"

$value = simdjson_key_value($resource, "Image\tIDs\t4", true);
var_dump($value); 
/*
array(1) {
  ["p"]=>
  string(2) "30"
}
*/

// Check whether the key exists, the parameter can be a JSON string or a JSON resource, returning true, false, null. Returning null when the first parameter is a string represents a parsing failure
$res = simdjson_key_exists($jsonString, "Image\tIDs\t1");
var_dump($res) //bool(true)
$res = simdjson_key_exists($resource, "Image\tIDs\t1");
var_dump($res) //bool(true)