Stdlib: socket_write(null) soft-null Deprecated+Broken pipe (#30320) - #30333
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Soft-null $data outside strict_types; length-0 write hits libc so unbound SOCK_STREAM returns EPIPE with Zend-shaped unable-to-write warning. Co-authored-by: Cursor <cursoragent@cursor.com>
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Summary
socket_write($s, null)matches Zend Deprecated +unable to write to socket [32]: Broken pipe+false(Closes #30320).SocketsLibcThinAbi::sendno longer short-circuits length 0 (unbound stream → EPIPE).VmSockets::writeemits the Zend-shaped warning.Test plan
vendor/bin/phpunit --filter SocketWriteSoftNullVMTestOKMade with Cursor