[PHP 8.2] Fix `${var}` string interpolation deprecation

wp-cli / php-cli-tools

A collection of tools to help with PHP command line utilities

MIT License

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Closed Ayesh closed 2 years ago

Ayesh commented 2 years ago

PHP 8.2 deprecates "${var}" string interpolation pattern. This fixes all three of such occurrences in wp-cli/php-cli-tools package.