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<?php |
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namespace EventEspresso\core\services\json; |
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use stdClass; |
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/** |
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* Class JsonDataHandler |
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* A class for handling serialization to and from JSON and tracking any errors that occur during that process |
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* |
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* @author Brent Christensen |
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* @package EventEspresso\core\services\json |
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* @since $VID:$ |
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*/ |
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class JsonDataHandler |
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{ |
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const DATA_TYPE_ARRAY = 'array'; |
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const DATA_TYPE_OBJECT = 'object'; |
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const DATA_TYPE_USE_FLAGS = 'flags'; |
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/** |
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* @var string |
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*/ |
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private $data_type; |
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/** |
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* @var array|stdClass |
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*/ |
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private $decoded_data; |
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/** |
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* JSON_BIGINT_AS_STRING, |
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* JSON_INVALID_UTF8_IGNORE, |
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* JSON_INVALID_UTF8_SUBSTITUTE, |
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* JSON_OBJECT_AS_ARRAY, |
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* JSON_THROW_ON_ERROR |
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* |
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* @var int |
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*/ |
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private $decode_flags; |
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/** |
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* @var int |
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*/ |
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private $depth; |
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/** |
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* @var string |
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*/ |
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private $encoded_data; |
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/** |
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* JSON_FORCE_OBJECT, |
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* JSON_HEX_QUOT, |
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* JSON_HEX_TAG, |
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* JSON_HEX_AMP, |
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* JSON_HEX_APOS, |
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* JSON_INVALID_UTF8_IGNORE, |
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* JSON_INVALID_UTF8_SUBSTITUTE, |
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* JSON_NUMERIC_CHECK, |
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* JSON_PARTIAL_OUTPUT_ON_ERROR, |
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* JSON_PRESERVE_ZERO_FRACTION, |
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* JSON_PRETTY_PRINT, |
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* JSON_UNESCAPED_LINE_TERMINATORS, |
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* JSON_UNESCAPED_SLASHES, |
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* JSON_UNESCAPED_UNICODE, |
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* JSON_THROW_ON_ERROR. |
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* |
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* @var int |
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*/ |
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private $encode_flags; |
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/** |
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* @var int |
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*/ |
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private $last_error_code; |
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/** |
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* @var string |
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*/ |
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private $last_error_msg; |
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/** |
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* JsonDataHandler constructor. |
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*/ |
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public function __construct() |
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{ |
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if (!defined('JSON_INVALID_UTF8_IGNORE')) { |
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define('JSON_INVALID_UTF8_IGNORE', 1048576); |
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} |
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if (!defined('JSON_INVALID_UTF8_SUBSTITUTE')) { |
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define('JSON_INVALID_UTF8_SUBSTITUTE', 2097152); |
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} |
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if (!defined('JSON_THROW_ON_ERROR')) { |
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define('JSON_THROW_ON_ERROR', 4194304); |
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} |
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} |
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/** |
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* set $data_type, $decode_flags, $encode_flags, and depth all in one shot |
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* |
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* @param string $data_type |
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* @param int $decode_flags |
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* @param int $encode_flags |
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* @param int $depth |
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*/ |
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public function configure( |
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string $data_type = JsonDataHandler::DATA_TYPE_USE_FLAGS, |
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int $decode_flags = 0, |
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int $encode_flags = 0, |
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int $depth = 512 |
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) { |
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$this->setDataType($data_type); |
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$this->setDecodeFlags($decode_flags); |
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$this->setDepth($depth); |
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$this->setEncodeFlags($encode_flags); |
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} |
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/** |
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* @param string $data_type |
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*/ |
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public function setDataType(string $data_type): void |
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{ |
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$this->data_type = $data_type === JsonDataHandler::DATA_TYPE_ARRAY |
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|| $data_type === JsonDataHandler::DATA_TYPE_OBJECT |
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|| $data_type === JsonDataHandler::DATA_TYPE_USE_FLAGS |
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? $data_type |
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: JsonDataHandler::DATA_TYPE_USE_FLAGS; |
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} |
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/** |
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* One or more Bitmask values: |
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* JSON_BIGINT_AS_STRING, |
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* JSON_INVALID_UTF8_IGNORE, PHP >= 7.2 |
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* JSON_INVALID_UTF8_SUBSTITUTE, PHP >= 7.2 |
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* JSON_OBJECT_AS_ARRAY, |
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* JSON_THROW_ON_ERROR PHP >= 7.3 |
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* |
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* pass multiple values separated with | |
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* ex: JSON_BIGINT_AS_STRING | JSON_INVALID_UTF8_IGNORE | JSON_OBJECT_AS_ARRAY |
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* |
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* @param int $decode_flags |
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*/ |
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public function setDecodeFlags(int $decode_flags): void |
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{ |
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$this->decode_flags = $decode_flags === JSON_BIGINT_AS_STRING |
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|| $decode_flags === JSON_OBJECT_AS_ARRAY |
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// phpcs:ignore PHPCompatibility.Constants.NewConstants.json_invalid_utf8_ignoreFound |
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|| $decode_flags === JSON_INVALID_UTF8_IGNORE |
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// phpcs:ignore PHPCompatibility.Constants.NewConstants.json_invalid_utf8_substituteFound |
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|| $decode_flags === JSON_INVALID_UTF8_SUBSTITUTE |
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// phpcs:ignore PHPCompatibility.Constants.NewConstants.json_throw_on_errorFound |
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|| $decode_flags === JSON_THROW_ON_ERROR |
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? $decode_flags |
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: 0; |
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} |
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/** |
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* @param int $depth |
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*/ |
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public function setDepth(int $depth): void |
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{ |
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$depth = absint($depth); |
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$this->depth = $depth ? $depth : 512; |
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} |
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/** |
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* One or more Bitmask values: |
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* JSON_FORCE_OBJECT, |
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* JSON_HEX_QUOT, |
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* JSON_HEX_TAG, |
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* JSON_HEX_AMP, |
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* JSON_HEX_APOS, |
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* JSON_INVALID_UTF8_IGNORE, PHP >= 7.2 |
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* JSON_INVALID_UTF8_SUBSTITUTE, PHP >= 7.2 |
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* JSON_NUMERIC_CHECK, |
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* JSON_PARTIAL_OUTPUT_ON_ERROR, |
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* JSON_PRESERVE_ZERO_FRACTION, |
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* JSON_PRETTY_PRINT, |
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* JSON_UNESCAPED_LINE_TERMINATORS, |
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* JSON_UNESCAPED_SLASHES, |
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* JSON_UNESCAPED_UNICODE, |
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* JSON_THROW_ON_ERROR. PHP >= 7.3 |
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* |
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* pass multiple values separated with | |
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* ex: JSON_FORCE_OBJECT | JSON_INVALID_UTF8_IGNORE | JSON_THROW_ON_ERROR |
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* |
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* @param int $encode_flags |
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*/ |
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public function setEncodeFlags(int $encode_flags): void |
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{ |
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$this->encode_flags = $encode_flags === JSON_FORCE_OBJECT |
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|| $encode_flags === JSON_HEX_QUOT |
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|| $encode_flags === JSON_HEX_TAG |
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|| $encode_flags === JSON_HEX_AMP |
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|| $encode_flags === JSON_HEX_APOS |
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|| $encode_flags === JSON_NUMERIC_CHECK |
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|| $encode_flags === JSON_PARTIAL_OUTPUT_ON_ERROR |
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|| $encode_flags === JSON_PRESERVE_ZERO_FRACTION |
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|| $encode_flags === JSON_PRETTY_PRINT |
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|| $encode_flags === JSON_UNESCAPED_LINE_TERMINATORS |
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|| $encode_flags === JSON_UNESCAPED_SLASHES |
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|| $encode_flags === JSON_UNESCAPED_UNICODE |
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// phpcs:ignore PHPCompatibility.Constants.NewConstants.json_invalid_utf8_ignoreFound |
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|| $encode_flags === JSON_INVALID_UTF8_IGNORE |
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// phpcs:ignore PHPCompatibility.Constants.NewConstants.json_invalid_utf8_substituteFound |
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|| $encode_flags === JSON_INVALID_UTF8_SUBSTITUTE |
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// phpcs:ignore PHPCompatibility.Constants.NewConstants.json_throw_on_errorFound |
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|| $encode_flags === JSON_THROW_ON_ERROR |
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? $encode_flags |
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: 0; |
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} |
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/** |
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* @return bool|null |
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*/ |
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private function asAssociative() |
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{ |
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switch ($this->data_type) { |
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case JsonDataHandler::DATA_TYPE_ARRAY: |
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return true; |
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case JsonDataHandler::DATA_TYPE_OBJECT: |
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return false; |
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case JsonDataHandler::DATA_TYPE_USE_FLAGS: |
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return null; |
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} |
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return null; |
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} |
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/** |
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* @param string $json |
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* @return array|mixed|stdClass |
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*/ |
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public function decodeJson(string $json) |
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{ |
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$this->decoded_data = json_decode($json, $this->asAssociative(), $this->depth, $this->decode_flags); |
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$this->last_error_code = json_last_error(); |
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$this->last_error_msg = json_last_error_msg(); |
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return $this->decoded_data; |
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} |
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/** |
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* @param $data |
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* @return false|string |
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*/ |
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public function encodeData($data) |
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{ |
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$this->encoded_data = json_encode($data, $this->encode_flags, $this->depth); |
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$this->last_error_code = json_last_error(); |
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$this->last_error_msg = json_last_error_msg(); |
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return $this->encoded_data; |
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} |
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/** |
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* @return array|stdClass |
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*/ |
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public function getDecodedData() |
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{ |
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return $this->decoded_data; |
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} |
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/** |
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* @return string |
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*/ |
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public function getEncodedData(): string |
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{ |
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return $this->encoded_data; |
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} |
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/** |
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* @param false $reset |
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* @return int |
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*/ |
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public function getLastErrorCode($reset = false) |
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{ |
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$last_error = $this->last_error_code; |
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if ($reset) { |
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$this->last_error_code = JSON_ERROR_NONE; |
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} |
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return $last_error; |
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} |
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/** |
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* @param false $reset |
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* @return string |
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*/ |
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public function getLastErrorMessage($reset = false) |
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{ |
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$last_error = $this->last_error_msg; |
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if ($reset) { |
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$this->last_error_msg = ''; |
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} |
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return $last_error; |
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} |
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} |
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