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# Extensions ​

> - `yes`: supported
> - blank: not supported yet, or WIP
> - `no` with issue link: confirmed to be unavailable due to issue
> - `partial` with issue link: supported but not perfect due to issue

Extension Name | Linux | macOS | FreeBSD | Windows
--- | --- | --- | --- | ---
amqp | yes | yes |  | yes
apcu | yes | yes | yes | yes
ast | yes | yes | yes | yes
bcmath | yes | yes | yes | yes
bz2 | yes | yes | yes | yes
calendar | yes | yes | yes | yes
ctype | yes | yes | yes | yes
curl | yes | yes | yes | yes
dba | yes | yes | yes | yes
dio | yes | yes |  | yes
dom | yes | yes |  | yes
ds | yes | yes | yes | yes
enchant |  |  |  |
event | yes | yes |  |
exif | yes | yes | yes | yes
ffi | no | yes |  | yes
fileinfo | yes | yes | yes | yes
filter | yes | yes | yes | yes
ftp | yes | yes | yes | yes
gd | yes | yes |  | yes
gettext | yes | yes |  |
glfw | no | yes | no |
gmp | yes | yes |  |
gmssl | yes | yes |  | yes
grpc | yes | yes |  |
iconv | yes | yes |  | yes
igbinary | yes | yes |  | yes
imagick | yes | yes |  |
imap | yes | yes |  |
inotify | yes | no |  | no
intl | yes | yes |  | no
ldap | yes | yes |  |
libxml | yes | yes |  | yes
mbregex | yes | yes | yes | yes
mbstring | yes | yes | yes | yes
mcrypt | no | no | no | no
memcache | yes | yes |  |
memcached | no | yes |  |
mongodb | yes | yes |  |
msgpack | yes | yes |  | yes
mysqli | yes | yes | yes | yes
mysqlnd | yes | yes | yes | yes
oci8 | no | no | no |
opcache | yes | yes | yes | yes
openssl | yes | yes | yes | yes
parallel | yes | yes |  | yes
password-argon2 | yes | yes |  |
pcntl | yes | yes | yes | no
pdo | yes | yes | yes | yes
pdo_mysql | yes | yes | yes | yes
pdo_pgsql | yes | yes |  |
pdo_sqlite | yes | yes |  | yes
pdo_sqlsrv | yes | yes |  | yes
pgsql | yes | yes |  |
phar | yes | yes | yes | yes
posix | yes | yes | yes | no
protobuf | yes | yes |  |
rar | yes | partial |  | yes
rdkafka | yes | yes |  |
readline | yes | yes |  |
redis | yes | yes |  | yes
session | yes | yes | yes | yes
shmop | yes | yes | yes | yes
simdjson | yes | yes | yes | yes
simplexml | yes | yes |  | yes
snappy | yes | yes |  |
soap | yes | yes |  | yes
sockets | yes | yes | yes | yes
sodium | yes | yes |  |
spx | yes | yes |  | no
sqlite3 | yes | yes |  | yes
sqlsrv | yes | yes |  | yes
ssh2 | yes | yes |  | yes
swoole | yes | yes |  | no
swoole-hook-mysql | yes | yes |  | no
swoole-hook-pgsql | yes | partial |  | no
swoole-hook-sqlite | yes | yes |  | no
swow | yes | yes |  | yes
sysvmsg | yes | yes |  | no
sysvsem | yes | yes |  | no
sysvshm | yes | yes |  | yes
tidy | yes | yes |  |
tokenizer | yes | yes | yes | yes
uuid | yes | yes |  |
uv | yes | yes |  |
xdebug | no | no | no |
xhprof | yes | yes |  |
xlswriter | yes | yes |  |
xml | yes | yes |  | yes
xmlreader | yes | yes |  | yes
xmlwriter | yes | yes |  | yes
xsl | yes | yes |  |
yac | yes | yes |  | yes
yaml | yes | yes |  | yes
zip | yes | yes |  | yes
zlib | yes | yes | yes | yes
zstd | yes | yes |  |

TIP

If an extension you need is missing, you can create a Feature Request.

Some extensions or libraries that the extension depends on will have some optional features. For example, the gd library optionally supports libwebp, freetype, etc. If you only use `bin/spc build gd --build-cli` they will not be included (static-php-cli defaults to the minimum dependency principle).

For more information about optional libraries, see Extensions, Library Dependency Map. For optional libraries, you can also select an extension from the Command Generator and then select optional libraries.