| braintree/braintree_php | Library | Braintree PHP Client Library |
| brick/math | Library | Arbitrary-precision arithmetic library |
| brick/varexporter | Library | A powerful alternative to var_export(), which can export closures and objects without __set_state() |
| christian-riesen/base32 | Library | Base32 encoder/decoder according to RFC 4648 |
| colinmollenhour/credis | Library | Credis is a lightweight interface to the Redis key-value store which wraps the phpredis library when available for better performance. |
| composer/ca-bundle | Library | Lets you find a path to the system CA bundle, and includes a fallback to the Mozilla CA bundle. |
| composer/class-map-generator | Library | Utilities to scan PHP code and generate class maps. |
| composer/composer | Library | Composer helps you declare, manage and install dependencies of PHP projects. It ensures you have the right stack everywhere. |
| composer/metadata-minifier | Library | Small utility library that handles metadata minification and expansion. |
| composer/pcre | Library | PCRE wrapping library that offers type-safe preg_* replacements. |
| composer/semver | Library | Semver library that offers utilities, version constraint parsing and validation. |
| composer/spdx-licenses | Library | SPDX licenses list and validation library. |
| composer/xdebug-handler | Library | Restarts a process without Xdebug. |
| doctrine/lexer | Library | PHP Doctrine Lexer parser library that can be used in Top-Down, Recursive Descent Parsers. |
| egulias/email-validator | Library | A library for validating emails against several RFCs |
| elastic/transport | Library | HTTP transport PHP library for Elastic products |
| elasticsearch/elasticsearch | Library | PHP Client for Elasticsearch |
| endroid/qr-code | Library | Endroid QR Code |
| ezimuel/guzzlestreams | Library | Fork of guzzle/streams (abandoned) to be used with elasticsearch-php |
| ezimuel/ringphp | Library | Fork of guzzle/RingPHP (abandoned) to be used with elasticsearch-php |
| guzzlehttp/guzzle | Library | Guzzle is a PHP HTTP client library |
| guzzlehttp/promises | Library | Guzzle promises library |
| guzzlehttp/psr7 | Library | PSR-7 message implementation that also provides common utility methods |
| justinrainbow/json-schema | Library | A library to validate a json schema. |
| league/flysystem | Library | File storage abstraction for PHP |
| league/flysystem-aws-s3-v3 | Library | AWS S3 filesystem adapter for Flysystem. |
| league/flysystem-local | Library | Local filesystem adapter for Flysystem. |
| league/mime-type-detection | Library | Mime-type detection for Flysystem |
| monolog/monolog | Library | Sends your logs to files, sockets, inboxes, databases and various web services |
| mtdowling/jmespath.php | Library | Declaratively specify how to extract elements from a JSON document |
| paragonie/constant_time_encoding | Library | Constant-time Implementations of RFC 4648 Encoding (Base-64, Base-32, Base-16) |
| paragonie/random_compat | Library | PHP 5.x polyfill for random_bytes() and random_int() from PHP 7 |
| pelago/emogrifier | Library | Converts CSS styles into inline style attributes in your HTML code |
| php-http/discovery | Composer-plugin | Finds and installs PSR-7, PSR-17, PSR-18 and HTTPlug implementations |
| php-http/httplug | Library | HTTPlug, the HTTP client abstraction for PHP |
| php-http/promise | Library | Promise used for asynchronous HTTP requests |
| phpgt/cssxpath | Library | Convert CSS selectors to XPath queries. |
| phpgt/dom | Library | Modern DOM API. |
| phpgt/propfunc | Library | Property accessor and mutator functions. |
| phpseclib/mcrypt_compat | Library | PHP 5.x-8.x polyfill for mcrypt extension |
| phpseclib/phpseclib | Library | PHP Secure Communications Library - Pure-PHP implementations of RSA, AES, SSH2, SFTP, X.509 etc. |
| psr/cache | Library | Common interface for caching libraries |
| psr/clock | Library | Common interface for reading the clock. |
| psr/container | Library | Common Container Interface (PHP FIG PSR-11) |
| psr/event-dispatcher | Library | Standard interfaces for event handling. |
| psr/http-client | Library | Common interface for HTTP clients |
| psr/http-factory | Library | PSR-17: Common interfaces for PSR-7 HTTP message factories |
| psr/http-message | Library | Common interface for HTTP messages |
| psr/log | Library | Common interface for logging libraries |
| ralouphie/getallheaders | Library | A polyfill for getallheaders. |
| ramsey/collection | Library | A PHP library for representing and manipulating collections. |
| ramsey/uuid | Library | A PHP library for generating and working with universally unique identifiers (UUIDs). |
| react/promise | Library | A lightweight implementation of CommonJS Promises/A for PHP |
| sabberworm/php-css-parser | Library | Parser for CSS Files written in PHP |
| seld/jsonlint | Library | JSON Linter |
| seld/phar-utils | Library | PHAR file format utilities, for when PHP phars you up |
| seld/signal-handler | Library | Simple unix signal handler that silently fails where signals are not supported for easy cross-platform development |
| spomky-labs/aes-key-wrap | Library | AES Key Wrap for PHP. |
| spomky-labs/otphp | Library | A PHP library for generating one time passwords according to RFC 4226 (HOTP Algorithm) and the RFC 6238 (TOTP Algorithm) and compatible with Google Authenticator |
| spomky-labs/pki-framework | Library | A PHP framework for managing Public Key Infrastructures. It comprises X.509 public key certificates, attribute certificates, certification requests and certification path validation. |
| symfony/config | Library | Helps you find, load, combine, autofill and validate configuration values of any kind |
| symfony/console | Library | Eases the creation of beautiful and testable command line interfaces |
| symfony/css-selector | Library | Converts CSS selectors to XPath expressions |
| symfony/dependency-injection | Library | Allows you to standardize and centralize the way objects are constructed in your application |
| symfony/deprecation-contracts | Library | A generic function and convention to trigger deprecation notices |
| symfony/error-handler | Library | Provides tools to manage errors and ease debugging PHP code |
| symfony/event-dispatcher | Library | Provides tools that allow your application components to communicate with each other by dispatching events and listening to them |
| symfony/event-dispatcher-contracts | Library | Generic abstractions related to dispatching event |
| symfony/filesystem | Library | Provides basic utilities for the filesystem |
| symfony/finder | Library | Finds files and directories via an intuitive fluent interface |
| symfony/http-client | Library | Provides powerful methods to fetch HTTP resources synchronously or asynchronously |
| symfony/http-client-contracts | Library | Generic abstractions related to HTTP clients |
| symfony/http-foundation | Library | Defines an object-oriented layer for the HTTP specification |
| symfony/http-kernel | Library | Provides a structured process for converting a Request into a Response |
| symfony/intl | Library | Provides access to the localization data of the ICU library |
| symfony/mailer | Library | Helps sending emails |
| symfony/mime | Library | Allows manipulating MIME messages |
| symfony/polyfill-ctype | Library | Symfony polyfill for ctype functions |
| symfony/polyfill-intl-grapheme | Library | Symfony polyfill for intl's grapheme_* functions |
| symfony/polyfill-intl-idn | Library | Symfony polyfill for intl's idn_to_ascii and idn_to_utf8 functions |
| symfony/polyfill-intl-normalizer | Library | Symfony polyfill for intl's Normalizer class and related functions |
| symfony/polyfill-mbstring | Library | Symfony polyfill for the Mbstring extension |
| symfony/polyfill-php73 | Library | Symfony polyfill backporting some PHP 7.3+ features to lower PHP versions |
| symfony/polyfill-php80 | Library | Symfony polyfill backporting some PHP 8.0+ features to lower PHP versions |
| symfony/polyfill-php81 | Library | Symfony polyfill backporting some PHP 8.1+ features to lower PHP versions |
| symfony/polyfill-php82 | Library | Symfony polyfill backporting some PHP 8.2+ features to lower PHP versions |
| symfony/polyfill-php83 | Library | Symfony polyfill backporting some PHP 8.3+ features to lower PHP versions |
| symfony/process | Library | Executes commands in sub-processes |
| symfony/service-contracts | Library | Generic abstractions related to writing services |
| symfony/string | Library | Provides an object-oriented API to strings and deals with bytes, UTF-8 code points and grapheme clusters in a unified way |
| symfony/var-dumper | Library | Provides mechanisms for walking through any arbitrary PHP variable |
| symfony/var-exporter | Library | Allows exporting any serializable PHP data structure to plain PHP code |
| symfony/yaml | Library | Loads and dumps YAML files |
| web-token/jwt-framework | Symfony-bundle | JSON Object Signing and Encryption library for PHP and Symfony Bundle. |
| webonyx/graphql-php | Library | A PHP port of GraphQL reference implementation |