PHP code example of ropi / json-path-evaluator

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

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

    

ropi / json-path-evaluator example snippets

$data = json_decode('{ "store": {
   "book": [
     { "category": "reference",
       "author": "Nigel Rees",
       "title": "Sayings of the Century",
       "price": 8.95
     },
     { "category": "fiction",
       "author": "Evelyn Waugh",
       "title": "Sword of Honour",
       "price": 12.99
     },
     { "category": "fiction",
       "author": "Herman Melville",
       "title": "Moby Dick",
       "isbn": "0-553-21311-3",
       "price": 8.99
     },
     { "category": "fiction",
       "author": "J. R. R. Tolkien",
       "title": "The Lord of the Rings",
       "isbn": "0-395-19395-8",
       "price": 22.99
     }
   ],
   "bicycle": {
     "color": "red",
     "price": 399
   }
 }
}');

$evaluator = new \Ropi\JsonPathEvaluator\JsonPathEvaluator();

$result = $evaluator->getValues($data, '$.store.book[*].author');
echo "Authors of all books in the store:\n" . json_encode($result, JSON_PRETTY_PRINT) . "\n";

$result = $evaluator->getValues($data, '$.store..price');
echo "Prices of everything in the store:\n" . json_encode($result, JSON_PRETTY_PRINT) . "\n";

$result = $evaluator->getValues($data, '$..book[-1]');
echo "Last book in order:\n" . json_encode($result, JSON_PRETTY_PRINT) . "\n";

$result = $evaluator->getValues($data, '$..book[0,1]');
echo "First two books with union operator:\n" . json_encode($result, JSON_PRETTY_PRINT) . "\n";

$result = $evaluator->getValues($data, '$..book[:2]');
echo "First two books with array slice operator:\n" . json_encode($result, JSON_PRETTY_PRINT) . "\n";

$result = $evaluator->getValues($data, '$..book[[email protected]]');
echo "All books with an ISBN number:\n" . json_encode($result, JSON_PRETTY_PRINT) . "\n";

$result = $evaluator->getValues($data, '$..book[[email protected]<10]');
echo "All books cheaper than 10:\n" . json_encode($result, JSON_PRETTY_PRINT) . "\n";

$result = $evaluator->getValues($data, '$..book[?search(@.isbn, "[1-3]$")]'); // regular expression
echo "All books where ISBN ends with 1, 2 or 3:\n" . json_encode($result, JSON_PRETTY_PRINT) . "\n";

$data = json_decode('{ "store": {
   "book": [
     { "category": "reference",
       "author": "Nigel Rees",
       "title": "Sayings of the Century",
       "price": 8.95
     },
     { "category": "fiction",
       "author": "Evelyn Waugh",
       "title": "Sword of Honour",
       "price": 12.99
     },
     { "category": "fiction",
       "author": "Herman Melville",
       "title": "Moby Dick",
       "isbn": "0-553-21311-3",
       "price": 8.99
     },
     { "category": "fiction",
       "author": "J. R. R. Tolkien",
       "title": "The Lord of the Rings",
       "isbn": "0-395-19395-8",
       "price": 22.99
     }
   ],
   "bicycle": {
     "color": "red",
     "price": 399
   }
 }
}');

$evaluator = new \Ropi\JsonPathEvaluator\JsonPathEvaluator();

$result = $evaluator->getPaths($data, '$.store.book[*].author');
echo "Paths of authors of all books in store:\n" . json_encode($result, JSON_PRETTY_PRINT) . "\n";

$result = $evaluator->getPaths($data, '$.store..price');
echo "Paths of prices of everything in the store:\n" . json_encode($result, JSON_PRETTY_PRINT) . "\n";

$result = $evaluator->getPaths($data, '$..book[[email protected]<10]');
echo "Paths of all books cheaper than 10:\n" . json_encode($result, JSON_PRETTY_PRINT) . "\n";

$data = json_decode('{ "store": {
   "book": [
     { "category": "reference",
       "author": "Nigel Rees",
       "title": "Sayings of the Century",
       "price": 8.95
     },
     { "category": "fiction",
       "author": "Evelyn Waugh",
       "title": "Sword of Honour",
       "price": 12.99
     },
     { "category": "fiction",
       "author": "Herman Melville",
       "title": "Moby Dick",
       "isbn": "0-553-21311-3",
       "price": 8.99
     },
     { "category": "fiction",
       "author": "J. R. R. Tolkien",
       "title": "The Lord of the Rings",
       "isbn": "0-395-19395-8",
       "price": 22.99
     }
   ],
   "bicycle": {
     "color": "red",
     "price": 399
   }
 }
}');

$evaluator = new \Ropi\JsonPathEvaluator\JsonPathEvaluator();

$numSet = $evaluator->setValues($data, '$..price', [10]);
echo "Set all $numSet prices to 10:\n" . json_encode($data, JSON_PRETTY_PRINT) . "\n";

$numSet = $evaluator->setValues($data, '$..price', [1, 2, 3]);
echo "Set all $numSet alternately to 1, 2 and 3:\n" . json_encode($data, JSON_PRETTY_PRINT) . "\n";

$evaluator = new \Ropi\JsonPathEvaluator\JsonPathEvaluator();

// Create non-existent paths as stdClass objects
$data = json_decode('{}');
$evaluator->setValues($data, '$.deep.path.value', ["stdClassExample"], \Ropi\JsonPathEvaluator\NonExistentPathBehavior::CreateStdClass);
var_dump($data) . "\n";

// Create non-existent paths as arrays
$data = json_decode('[]');
$evaluator->setValues($data, '$.deep.path.value', ["arrayExample"], \Ropi\JsonPathEvaluator\NonExistentPathBehavior::CreateArray);
var_dump($data) . "\n";

$data = json_decode('{ "store": {
   "book": [
     { "category": "reference",
       "author": "Nigel Rees",
       "title": "Sayings of the Century",
       "price": 8.95
     },
     { "category": "fiction",
       "author": "Evelyn Waugh",
       "title": "Sword of Honour",
       "price": 12.99
     },
     { "category": "fiction",
       "author": "Herman Melville",
       "title": "Moby Dick",
       "isbn": "0-553-21311-3",
       "price": 8.99
     },
     { "category": "fiction",
       "author": "J. R. R. Tolkien",
       "title": "The Lord of the Rings",
       "isbn": "0-395-19395-8",
       "price": 22.99
     }
   ],
   "bicycle": {
     "color": "red",
     "price": 399
   }
 }
}');

$evaluator = new \Ropi\JsonPathEvaluator\JsonPathEvaluator();

$numDeleted = $evaluator->deletePaths($data, '$.store.book[[email protected] > 9]');
echo "Deleted all $numDeleted books that are more expensive than 9:\n" . json_encode($data, JSON_PRETTY_PRINT) . "\n";

$evaluator = new \Ropi\JsonPathEvaluator\JsonPathEvaluator();

$data = json_decode('{
    "values": [
        {"property": "valueA"},
        {"property": "valueB"}
    ]
}');

$evaluator = new \Ropi\JsonPathEvaluator\JsonPathEvaluator();

$evaluator->registerFunction('myFunction', function(\Ropi\JsonPathEvaluator\Types\AbstractValueType $parameter1) {
    if (!$parameter1 instanceof \Ropi\JsonPathEvaluator\Types\JsonValue) {
        return new \Ropi\JsonPathEvaluator\Types\LogicalFalse();
    }

    return $parameter1->getValue() === 'valueB'
        ? new \Ropi\JsonPathEvaluator\Types\LogicalTrue()
        : new \Ropi\JsonPathEvaluator\Types\LogicalFalse();
});

$result = $evaluator->getValues($data, '$.values[?myFunction(@.property)].property');
echo json_encode($result, JSON_PRETTY_PRINT);