Indirect access to variables, properties and methods since PHP 7.0.

Seems like there is compatibility issue with PHP 7.0 +

FILE: ...secure_cookie_data/modules/secure_cookie_data_tree_two.class.inc
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FOUND 16 ERRORS AFFECTING 10 LINES
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59 | ERROR | Indirect access to variables, properties and methods
| | will be evaluated strictly in left-to-right order
| | since PHP 7.0. Use curly braces to remove ambiguity.
61 | ERROR | Indirect access to variables, properties and methods
| | will be evaluated strictly in left-to-right order
| | since PHP 7.0. Use curly braces to remove ambiguity.
66 | ERROR | Indirect access to variables, properties and methods
| | will be evaluated strictly in left-to-right order
| | since PHP 7.0. Use curly braces to remove ambiguity.
66 | ERROR | Indirect access to variables, properties and methods
| | will be evaluated strictly in left-to-right order
| | since PHP 7.0. Use curly braces to remove ambiguity.
68 | ERROR | Indirect access to variables, properties and methods
| | will be evaluated strictly in left-to-right order
| | since PHP 7.0. Use curly braces to remove ambiguity.
68 | ERROR | Indirect access to variables, properties and methods
| | will be evaluated strictly in left-to-right order
| | since PHP 7.0. Use curly braces to remove ambiguity.
72 | ERROR | Indirect access to variables, properties and methods
| | will be evaluated strictly in left-to-right order
| | since PHP 7.0. Use curly braces to remove ambiguity.
72 | ERROR | Indirect access to variables, properties and methods
| | will be evaluated strictly in left-to-right order
| | since PHP 7.0. Use curly braces to remove ambiguity.
76 | ERROR | Indirect access to variables, properties and methods
| | will be evaluated strictly in left-to-right order
| | since PHP 7.0. Use curly braces to remove ambiguity.
76 | ERROR | Indirect access to variables, properties and methods
| | will be evaluated strictly in left-to-right order
| | since PHP 7.0. Use curly braces to remove ambiguity.
109 | ERROR | Indirect access to variables, properties and methods
| | will be evaluated strictly in left-to-right order
| | since PHP 7.0. Use curly braces to remove ambiguity.
109 | ERROR | Indirect access to variables, properties and methods
| | will be evaluated strictly in left-to-right order
| | since PHP 7.0. Use curly braces to remove ambiguity.
110 | ERROR | Indirect access to variables, properties and methods
| | will be evaluated strictly in left-to-right order
| | since PHP 7.0. Use curly braces to remove ambiguity.
110 | ERROR | Indirect access to variables, properties and methods
| | will be evaluated strictly in left-to-right order
| | since PHP 7.0. Use curly braces to remove ambiguity.
114 | ERROR | Indirect access to variables, properties and methods
| | will be evaluated strictly in left-to-right order
| | since PHP 7.0. Use curly braces to remove ambiguity.
115 | ERROR | Indirect access to variables, properties and methods
| | will be evaluated strictly in left-to-right order
| | since PHP 7.0. Use curly braces to remove ambiguity.
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