347 lines
19 KiB
Markdown
347 lines
19 KiB
Markdown
[](https://github.com/mlocati/docker-php-extension-installer/releases)
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[](https://hub.docker.com/r/mlocati/php-extension-installer)
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[](https://github.com/mlocati/docker-php-extension-installer/actions?query=workflow%3A%22Test+recent%22)
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# Easy installation of PHP extensions in official PHP Docker images
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This repository contains a script that can be used to easily install a PHP extension inside the [official PHP Docker images](https://hub.docker.com/_/php/).
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The script will install all the required APT/APK packages; at the end of the script execution, the no-more needed packages will be removed so that the image will be much smaller.
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Supported docker images are all the Alpine/Debian versions, except for PHP 5.5 where we only support Debian 8 (jessie) (that is, `php:5.5`, `php:5.5-apache`, `php:5.5-cli`, `php:5.5-fpm`, `php:5.5-zts`).
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See also the notes in the [Special requirements](#special-requirements) section.
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## Usage
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You have two ways to use this script within your `Dockerfile`s: you can download the script on the fly, or you can grab it from the [`mlocati/php-extension-installer` Docker Hub image](https://hub.docker.com/r/mlocati/php-extension-installer).
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With the first method you are sure you'll always get the very latest version of the script, with the second method the process is faster since you'll use a local image.
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For example, here are two `Dockerfile`s that install the GD and xdebug PHP extensions:
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### Downloading the script on the fly
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```Dockerfile
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FROM php:7.2-cli
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ADD https://github.com/mlocati/docker-php-extension-installer/releases/latest/download/install-php-extensions /usr/local/bin/
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RUN chmod +x /usr/local/bin/install-php-extensions && sync && \
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install-php-extensions gd xdebug
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```
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### Copying the script from a Docker image
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```Dockerfile
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FROM php:7.2-cli
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COPY --from=mlocati/php-extension-installer /usr/bin/install-php-extensions /usr/local/bin/
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RUN install-php-extensions gd xdebug
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```
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#### *Beware*
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*When building locally, be sure you have the latest version of the `mlocati/php-extension-installer` image by running :*
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```sh
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docker pull mlocati/php-extension-installer
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```
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*otherwise the `COPY` instruction could use a previously downloaded, outdated version of the image stored in the local docker cache.*
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### Installing specific versions of an extension
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Simply append `-<version>` to the module name.
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For example:
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```sh
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install-php-extensions xdebug-2.9.7
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```
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The script also support resolving *compatible* versions by prefixing the version with a caret (`^`).
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For example:
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```sh
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# Install the most recent xdebug 2.x version (for example 2.9.8)
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install-php-extensions xdebug-^2
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# Install the most recent xdebug 2.8.x version (for example 2.8.1)
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install-php-extensions xdebug-^2.8
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```
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### Installing composer
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You can also install [composer](https://getcomposer.org/), and you also can specify a major version of it, or a full version.
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Examples:
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```sh
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# Install the latest version
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install-php-extensions @composer
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# Install the latest 1.x version
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install-php-extensions @composer-1
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# Install a specific version
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install-php-extensions @composer-2.0.2
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```
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## Supported PHP extensions
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<!-- START OF EXTENSIONS TABLE -->
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<!-- ########################################################### -->
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<!-- # # -->
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<!-- # DO NOT EDIT THIS TABLE: IT IS GENERATED AUTOMATICALLY # -->
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<!-- # # -->
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<!-- # EDIT THE data/supported-extensions FILE INSTEAD # -->
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<!-- # # -->
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<!-- ########################################################### -->
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| Extension | PHP 5.5 | PHP 5.6 | PHP 7.0 | PHP 7.1 | PHP 7.2 | PHP 7.3 | PHP 7.4 | PHP 8.0 |
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|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:|
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| amqp | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| apcu | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| apcu_bc | | | ✓ | ✓ | ✓ | ✓ | ✓ | |
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| bcmath | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| bz2 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| calendar | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| cmark | | | ✓ | ✓ | ✓ | ✓ | ✓ | |
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| csv | | | | | | ✓ | ✓ | ✓ |
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| dba | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| decimal | | | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| ds | | | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| enchant[*](#special-requirements-for-enchant) | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| ev | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| excimer | | | | ✓ | ✓ | ✓ | ✓ | ✓ |
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| exif | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| ffi | | | | | | | ✓ | ✓ |
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| gd | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| gearman | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| geoip | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | |
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| geospatial | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| gettext | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| gmagick | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| gmp | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| gnupg | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| grpc | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| http | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | |
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| igbinary | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| imagick | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| imap | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| interbase | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | | |
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| intl | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| ioncube_loader | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | |
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| json_post | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| ldap | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| mailparse | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| maxminddb | | | | | ✓ | ✓ | ✓ | ✓ |
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| mcrypt | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| memcache | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| memcached | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| mongo | ✓ | ✓ | | | | | | |
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| mongodb | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| mosquitto | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | |
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| msgpack | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| mssql | ✓ | ✓ | | | | | | |
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| mysql | ✓ | ✓ | | | | | | |
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| mysqli | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| oauth | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| oci8 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| odbc | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| opcache | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| opencensus | | | ✓ | ✓ | ✓ | ✓ | ✓ | |
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| parallel[*](#special-requirements-for-parallel) | | | | ✓ | ✓ | ✓ | ✓ | |
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| pcntl | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| pcov | | | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| pdo_dblib | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| pdo_firebird | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| pdo_mysql | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| pdo_oci | | | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| pdo_odbc | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| pdo_pgsql | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| pdo_sqlsrv[*](#special-requirements-for-pdo_sqlsrv) | | | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| pgsql | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| propro | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | |
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| protobuf | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| pspell | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| pthreads[*](#special-requirements-for-pthreads) | ✓ | ✓ | ✓ | | | | | |
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| raphf | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| rdkafka | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| recode | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | | |
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| redis | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| seaslog | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| shmop | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| smbclient | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| snmp | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| snuffleupagus | | | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| soap | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| sockets | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| solr | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| sqlsrv[*](#special-requirements-for-sqlsrv) | | | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| ssh2 | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| swoole | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| sybase_ct | ✓ | ✓ | | | | | | |
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| sysvmsg | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| sysvsem | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| sysvshm | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| tidy | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| timezonedb | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| uopz | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | |
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| uuid | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| wddx | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | | |
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| xdebug | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| xhprof | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| xlswriter | | | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| xmlrpc | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | |
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| xsl | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| yaml | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| yar | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| zip | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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| zookeeper | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | |
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| zstd | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ | ✓ |
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*Number of supported extensions: 100*
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<!-- END OF EXTENSIONS TABLE -->
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PS: the pre-installed PHP extensions are excluded from this list.
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You can list them with the following command (change `php:7.2-cli` to reflect the PHP version you are interested in):
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```
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$ docker run --rm php:7.2-cli php -m
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[PHP Modules]
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Core
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ctype
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curl
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date
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dom
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fileinfo
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filter
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ftp
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hash
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iconv
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json
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libxml
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mbstring
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mysqlnd
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openssl
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pcre
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PDO
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pdo_sqlite
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Phar
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posix
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readline
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Reflection
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session
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SimpleXML
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sodium
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SPL
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sqlite3
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standard
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tokenizer
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xml
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xmlreader
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xmlwriter
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zlib
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[Zend Modules]
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```
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## Special requirements
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Some extension has special requirements:
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<!-- START OF SPECIAL REQUIREMENTS -->
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<!-- ########################################################### -->
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<!-- # # -->
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<!-- # DO NOT EDIT THIS TABLE: IT IS GENERATED AUTOMATICALLY # -->
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<!-- # # -->
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<!-- # EDIT THE data/special-requirements FILE INSTEAD # -->
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<!-- # # -->
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<!-- ########################################################### -->
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| Extension | Requirements |
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|---|---|
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| <a name="special-requirements-for-enchant"></a>enchant | • Not available in `7.2-alpine3.12` docker images<br />• Not available in `7.3-alpine3.12` docker images<br />• Not available in `7.3-alpine3.13` docker images<br />• Not available in `7.4-alpine3.12` docker images<br />• Not available in `7.4-alpine3.13` docker images |
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| <a name="special-requirements-for-parallel"></a>parallel | Requires images with PHP compiled with thread-safety enabled (`zts`). |
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| <a name="special-requirements-for-pdo_sqlsrv"></a>pdo_sqlsrv | • Not available in `7.0-alpine3.7` docker images<br />• Not available in `7.1-alpine3.7` docker images<br />• Not available in `7.1-alpine3.8` docker images<br />• Not available in `7.2-alpine3.7` docker images<br />• Not available in `7.2-alpine3.8` docker images<br />• Not available in `7.3-alpine3.8` docker images |
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| <a name="special-requirements-for-pthreads"></a>pthreads | Requires images with PHP compiled with thread-safety enabled (`zts`). |
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| <a name="special-requirements-for-sqlsrv"></a>sqlsrv | • Not available in `7.0-alpine3.7` docker images<br />• Not available in `7.1-alpine3.7` docker images<br />• Not available in `7.1-alpine3.8` docker images<br />• Not available in `7.1-alpine3.9` docker images<br />• Not available in `7.1-alpine3.10` docker images<br />• Not available in `7.2-alpine3.7` docker images<br />• Not available in `7.2-alpine3.8` docker images<br />• Not available in `7.3-alpine3.8` docker images |
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<!-- END OF SPECIAL REQUIREMENTS -->
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## Tests
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When submitting a pull request, a [GitHub Action](https://github.com/mlocati/docker-php-extension-installer/blob/master/.github/workflows/test-extensions.yml) is executed to check if affected PHP extensions actually work (see below).
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Furthermore, we also check that new versions of extensions in the PECL repository will still work.
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This is done on a scheduled basis with another [GitHub Action](https://github.com/mlocati/docker-php-extension-installer/blob/master/.github/workflows/test-recent-extensions.yml).
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In case of failure, a message is sent to a [Telegram Channel](https://t.me/docker_php_extension_installer).
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Feel free to subscribe to it to receive failure notifications.
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## How to contribute
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### Formatting code
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Before submitting any pull request, be sure to execute the `lint` script in the `scripts` directory (or `lint.bat` on Windows).
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### Adding support to a new PHP extension?
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1. change the `install-php-extensions` script
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2. update the `data/supported-extensions` file, adding a new line with the handle of the extension and the list of supported PHP versions
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3. if the extension requires ZTS images:
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add a new line to the `data/special-requirements` file, with the extension handle followed by a space and `zts`
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See [this pull request](https://github.com/mlocati/docker-php-extension-installer/pull/60) for an example.
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### Changing the supported PHP versions for an already supported PHP extension?
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1. change the `install-php-extensions` script
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2. update the `data/supported-extensions` file, adding the new PHP version to the existing line corresponding to the updated extension
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See [this pull request](https://github.com/mlocati/docker-php-extension-installer/pull/62) for an example.
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### Improving code for an already supported extension?
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If you change some code that affects one or more extensions, please add a line with `Test: extension1, extension2` to the message of one of the pull request commits.
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That way, the test jobs will check the extension even if you don't touch the `data/supported-extensions` file.
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Here's an example of a commit message:
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```
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Improve the GD and ZIP extensions
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Test: gd, zip
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```
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Tests only check the installation of a single PHP extension at a time.
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If you want to test installing more PHP extensions at the same time, use a commit message like this:
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```
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Improve the GD and ZIP extensions
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Test: gd+zip
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```
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If your pull request contains multiple commits, we'll check the "Test:" message of every commit.
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If you want to stop parsing next commits, add `-STOP-` in the "Test:" line, for example:
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```
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Improve the GD and ZIP extensions
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Test: gd, zip, -STOP-
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```
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See [this pull request](https://github.com/mlocati/docker-php-extension-installer/pull/43) for an example.
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### PHP requirements and configure options
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PHP extensions published on the PECL archive contain a `package.xml` (or `package2.xml`) file describing the supported PHP versions and the options that can be used to compile it.
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When we add support for a new PHP extension, and when a new version of a PHP extension is released, we have to check those constraints.
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It's a rather tedious taks, so I developed a project that lets you easily check those constraints: you can find it at https://mlocati.github.io/pecl-info ([here](https://github.com/mlocati/pecl-info) you can find its source code).
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## For the maintainers
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See the [`MAINTAINERS.md`](https://github.com/mlocati/docker-php-extension-installer/blob/master/MAINTAINERS.md) file.
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## Do you want to really say thank you?
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You can offer me a [monthly coffee](https://github.com/sponsors/mlocati) or a [one-time coffee](https://paypal.me/mlocati) :wink:
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