sapi/cli: support Expect 100-continue in PHP dev server - #23245

sapi/cli: support Expect 100-continue in PHP dev server#23245

Sjord wants to merge 4 commits into

php:masterphp/php-src:masterfrom

Sjord:cli-server-expect-100-continueSjord/php-src:cli-server-expect-100-continueCopy head branch name to clipboard