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Current File : //proc/19851/cwd/wp-content/plugins/event-tickets/src/Tribe/Commerce/PayPal/Custom_Argument.php

<?php

/**
 * Class Tribe__Tickets__Commerce__PayPal__Custom_Argument
 *
 * @since 4.7
 */
class Tribe__Tickets__Commerce__PayPal__Custom_Argument {

	/**
	 * @var int The total char limit imposed by PayPal for the `custom` field
	 */
	public static $char_limit = 256;

	/**
	 * Builds a JSON and URL encoded entry usable in PayPal `custom` argument.
	 *
	 * @since 4.7
	 *
	 * @param array $args
	 *
	 * @return string The encoded array.
	 *
	 * @throws \InvalidArgumentException If the provided arguments array is over the PayPal char limit
	 *                                   after JSON and URL encoding have been applied.
	 */
	public static function encode( array $args ) {
		$encoded = urlencode_deep( json_encode( $args ) );

		$strlen = strlen( $encoded );

		if ( $strlen > self::$char_limit ) {
			$message = 'PayPal imposes a char limit on the custom argument of ' . self::$char_limit . ", the total length of the encoded data provided is {$strlen}.";

			throw new InvalidArgumentException( $message );
		}

		return $encoded;
	}


	/**
	 * Fix array keys when the value is key:value
	 *
	 * @see Tribe__Tickets__Commerce__PayPal__Custom_Argument:decode()
	 *
	 * @since 4.7.5
	 * @return array $array
	 *
	*/
	private static function array_fix_keys( $array, $item ) {
		if ( false === strpos( $item, ':' ) ) {
			return;
		}

		list( $key, $value ) = explode( ':', $item );
		$array[ $key ] = $value;
		return $array;
	}

	/**
	 * Decodes an array of arguments encoded using the `encode` method.
	 *
	 * @since 4.7
	 *
	 * @param      string $encoded
	 * @param bool        $assoc_array Same as `json_decode` argument; whether the returned value
	 *                                 should be an object (`false`) or an associative array (`true`).
	 *
	 * @return array|stdClass The decoded object if a valid decoded string was passed or a empty
	 *                        array/object if the passed string is invalid.
	 *
	 * @see   Tribe__Tickets__Commerce__PayPal__Custom_Argument::encode
	 */
	public static function decode( $encoded, $assoc_array = false ) {
		if ( strpos( $encoded, '\"' ) ) {
			$encoded = str_replace( '\"', '"', $encoded );
		}

		// in case we receive the param in non json 'user_id:0,tribe_handler:tpp,pid:4' format
		if ( null === json_decode( urldecode_deep( $encoded ), $assoc_array ) ) {
			// we create an array that string
			$encoded = explode( ',', $encoded );

			// Set the proper keys and values for the new array
			$encoded = array_reduce( $encoded, array( __CLASS__, 'array_fix_keys' ), array() );

			// we convert it into a json
			$encoded = json_encode( $encoded );
		}

		$decoded = json_decode( urldecode_deep( $encoded ), $assoc_array );

		if ( null === $decoded ) {
			return $assoc_array ? array() : new stdClass();
		}

		return $decoded;
	}
}

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