PHP code example of awesome / simdjson_plus

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

awesome / simdjson_plus example snippets

$jsonString = <<<'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"}]
  }
}
JSON;

// Check if a JSON string is valid:
$isValid = simdjson_validate($jsonString); //return bool
var_dump($isValid);  // true

// Parsing a JSON string. Similar to the json_decode() function but without the fourth argument
try {
    // returns array|stdClass|string|float|int|bool|null.
    $parsedJSON = simdjson_decode($jsonString, true, 512);
    var_dump($parsedJSON); // PHP array
} catch (RuntimeException $e) {
    echo "Failed to parse $jsonString: {$e->getMessage()}\n";
}

// Encode to JSON string
var_dump(simdjson_encode($parsedJSON));

// note. "/" is a separator. Can be used as the "key" of the object and the "index" of the array
// E.g. "/Image/Thumbnail/Url" is recommended starting in simdjson 4.0.0,
// but "Image/Thumbnail/Url" is accepted for now.

// get the value of a "key" in a json string
// (before simdjson 4.0.0, the recommended leading "/" had to be omitted)
$value = simdjson_key_value($jsonString, "/Image/Thumbnail/Url");
var_dump($value); // string(38) "http://www.example.com/image/481989943"

$value = simdjson_key_value($jsonString, "/Image/IDs/4", true);
var_dump($value);
/*
array(1) {
  ["p"]=>
  string(2) "30"
}
*/

// check if the key exists. return true|false|null. "true" exists, "false" does not exist,
// throws for invalid JSON.
$res = simdjson_key_exists($jsonString, "/Image/IDs/1");
var_dump($res) //bool(true)

// count the values
$res = simdjson_key_count($jsonString, "/Image/IDs");
var_dump($res) //int(5)

$fileContent = file_get_contents("example.jpg");
$fileContentEncoded = new SimdJsonBase64Encode($fileContent);
simdjson_encode(['image' => $fileContentEncoded]); // returns {"image":"TWFueSBoYW5kcyBtYWtlIGxpZ2h0IHdvcmsu..."}

$bigStructure = [...];
simdjson_encode_to_stream($bigStructure, fopen("file.json", "w")); // save to file.json
simdjson_encode_to_stream($bigStructure, fopen("php://output", "w")); // send to output buffer

simdjson_decode_from_stream(fopen("file.json", "r")); // load from file.json
simdjson_decode_from_stream(fopen("php://input", "r")); // send by user