Tokenizer/PHP: fix tokens missing/file content being removed by attribute retokenization#1280

jrfnl merged 3 commits into3.xPHPCSStandards/PHP_CodeSniffer:3.xfrom

feature/1279-tokenizer-attribute-parse-error-tokens-can-be-removedPHPCSStandards/PHP_CodeSniffer:feature/1279-tokenizer-attribute-parse-error-tokens-can-be-removedCopy head branch name to clipboard