WP Engine PHP Compatibility Checker show me this:
FOUND 4 ERRORS AFFECTING 4 LINES
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3445 | ERROR | ‘string’ is a reserved keyword introduced in PHP version 7.0 and cannot be invoked as a function (T_STRING)
3643 | ERROR | Function name, class name, namespace name or constant name can not be reserved keyword ‘string’ (since version 7.0)
3756 | ERROR | ‘string’ is a reserved keyword introduced in PHP version 7.0 and cannot be invoked as a function (T_STRING)
4007 | ERROR | ‘string’ is a reserved keyword introduced in PHP version 7.0 and cannot be invoked as a function (T_STRING)
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