Free loop handle only when object freed

Only use zend_class_serialize_deny and zend_class_unserialize_deny in PHP versions before 8.1 (#101)

Refs: https://github.com/amphp/ext-uv/issues/100

Fix argument count for uv_fs_scandir

Fix some copy-pasta

I strongly suspect this is supposed to look for `socket_ce` followed by `_socket_ce`, not the same symbol twice.

I haven't hit an issue or anything; this is just

Fix some copy-pasta

I strongly suspect this is supposed to look for `socket_ce` followed by `_socket_ce`, not the same symbol twice.

I haven't hit an issue or anything; this is just by looking at all the existing `DL_FETCH_SYMBOL` patterns I see.

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Use weakly linked symbol for socket resource / ce (Fixes #84)

fixes bwoebi/php-uv#85 (arginfo)

Fix PHP 8 build

php: discard no_separation for php<8 only

php8: remove fci.no_separation

Add support for resources to uv_(tcp|udp|pipe)_open

Add @fd in debug info for UVPoll

Remove duplicate uv_stream_ce decl

Actually do inheritance: UV -> UVStream -> UVTcp|UVPipe|UVTty

Fix uv_spawn()

uv_stdio_new() without args now creates an UVStdio with UV_IGNORE (Closes #73)

Properly handle all cases of php_uv_t * for uv_stop in uv_do_callback2()

Add missing cb info in getaddrinfo() proto

Stop the loop on exception so that execution can continue with the exception

Make $offset optional for uv_fs_write()

Fix scandir() & require callbacks where necessary

Fix closing failed uv_spawn() (Closes #79)

Add uv_process_get_pid() (Closes #71)

Refactor uv callback signatures

Fix arginfo

Fix off-by-one in environ buffer printing (#75)