[php8.x] Remove unused undeclared property _params, provide __get for transitional support

[eileenmcnaughton]

Overview

[php8.x] Remove unused undeclared property _params, provide __get for transitional support

Before

undeclared property _params is set but unused

After

property is gone, however, transitional support is provided through __get

Technical Details

Comments

[civibot]

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[eileenmcnaughton]

test this please

[eileenmcnaughton]

@colemanw just pinging you to merge this cos I added a fix after you gave it MOP