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Commit c03f0be

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robfrawleyfabpot
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Initial subtree split READMEs
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‎README.md‎

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Symfony Polyfill
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================
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This project backports features found in latest PHP versions. It also provides
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compatibility PHP implementations for some extensions and functions. You should
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use it when portability across PHP versions and extensions is desired.
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This project backports features found in the latest PHP versions and provides
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compatibility layers for some extensions and functions. It is intended to be
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used when portability across PHP versions and extensions is desired.
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Polyfills are provided for:
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- the `mbstring` and `iconv` extensions;
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`mbstring.func_overload` is required.
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It is strongly recommended to upgrade your PHP version and/or install the missing
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extensions when possible. This polyfill should be used only when there is no
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extensions whenever possible. This polyfill should be used only when there is no
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better choice or when portability is a requirement.
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Compatibility notes
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This package is designed for low overhead and high quality polyfilling.
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It adds only a few lightweight `require` to the bootstrapping process of your
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applications for all polyfills. Implementations are then loaded on-demand when
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they are needed during code execution.
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It adds only a few lightweight `require` statements to the bootstrap process
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to support all polyfills. Implementations are then loaded on-demand when
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needed during code execution.
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Polyfills are unit-tested alongside with their native implementation so that
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feature and behavior parity can be proven and enforced on the long run.
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Polyfills are unit-tested alongside their native implementation so that
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feature and behavior parity can be proven and enforced in the long run.
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License
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=======
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This library is released under the [MIT license](LICENSE).
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‎src/Iconv/README.md‎

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Symfony Polyfill / Iconv
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========================
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This component provides a native PHP implementation of the
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[php.net/iconv](http://php.net/iconv) functions
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(short of [`ob_iconv_handler`](http://php.net/manual/en/function.ob-iconv-handler.php)).
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More information can be found in the
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[main Polyfill README](https://github.com/symfony/polyfill/blob/master/README.md).
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License
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=======
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This library is released under the [MIT license](LICENSE).
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‎src/Intl/Grapheme/README.md‎

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Symfony Polyfill / Intl: Grapheme
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=================================
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This component provides a partial, native PHP implementation of the
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[Grapheme functions](http://php.net/manual/en/ref.intl.grapheme.php) from the
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[Intl](http://php.net/intl) extension.
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- [`grapheme_extract`](http://php.net/grapheme_extract): Extract a sequence of grapheme
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clusters from a text buffer, which must be encoded in UTF-8
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- [`grapheme_stripos`](http://php.net/grapheme_stripos): Find position (in grapheme units)
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of first occurrence of a case-insensitive string
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- [`grapheme_stristr`](http://php.net/grapheme_stristr): Returns part of haystack string
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from the first occurrence of case-insensitive needle to the end of haystack
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- [`grapheme_strlen`](http://php.net/grapheme_strlen): Get string length in grapheme units
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- [`grapheme_strpos`](http://php.net/grapheme_strpos): Find position (in grapheme units)
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of first occurrence of a string
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- [`grapheme_strripos`](http://php.net/grapheme_strripos): Find position (in grapheme units)
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of last occurrence of a case-insensitive string
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- [`grapheme_strrpos`](http://php.net/grapheme_strrpos): Find position (in grapheme units)
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of last occurrence of a string
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- [`grapheme_strstr`](http://php.net/grapheme_strstr): Returns part of haystack string from
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the first occurrence of needle to the end of haystack
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- [`grapheme_substr`](http://php.net/grapheme_substr): Return part of a string
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More information can be found in the
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[main Polyfill README](https://github.com/symfony/polyfill/blob/master/README.md).
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License
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=======
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This library is released under the [MIT license](LICENSE).
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‎src/Intl/Icu/README.md‎

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Symfony Polyfill / Intl: ICU
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============================
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This component maps a collection of functions/classes using the
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[`symfony/intl`](https://github.com/symfony/intl) package in the abscense of the
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[Intl](http://php.net/intl) extension, including:
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- [`intl_is_failure()`](http://php.net/manual/en/function.intl-is-failure.php)
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- [`intl_get_error_code()`](http://php.net/manual/en/function.intl-get-error-code.php)
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- [`intl_get_error_message()`](http://php.net/manual/en/function.intl-get-error-message.php)
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- [`intl_error_name()`](http://php.net/manual/en/function.intl-error-name.php)
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- [`Collator`](http://php.net/Collator)
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- [`NumberFormatter`](http://php.net/NumberFormatter)
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- [`Locale`](http://php.net/Locale)
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- [`IntlDateFormatter`](http://php.net/IntlDateFormatter)
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More information can be found in the
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[main Polyfill README](https://github.com/symfony/polyfill/blob/master/README.md).
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License
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=======
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This library is released under the [MIT license](LICENSE).
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‎src/Intl/Normalizer/README.md‎

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Symfony Polyfill / Intl: Normalizer
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===================================
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This component provides a fallback implementation for the
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[`Normalizer`](http://php.net/manual/en/class.normalizer.php) class provided
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by the [Intl](http://php.net/intl) extension.
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More information can be found in the
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[main Polyfill README](https://github.com/symfony/polyfill/blob/master/README.md).
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License
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=======
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This library is released under the [MIT license](LICENSE).
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‎src/Mbstring/README.md‎

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Symfony Polyfill / Mbstring
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===========================
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This component provides a partial, native PHP implementation for the
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[Mbstring](http://php.net/mbstring) extension.
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More information can be found in the
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[main Polyfill README](https://github.com/symfony/polyfill/blob/master/README.md).
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License
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=======
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This library is released under the [MIT license](LICENSE).
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‎src/Php54/README.md‎

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Symfony Polyfill / Php54
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========================
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This component provides functions unavailable in releases prior to PHP 5.4:
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- [`trait_exists`](http://php.net/trait_exists)
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- [`class_uses`](http://php.net/class_uses)
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- [`hex2bin`](http://php.net/hex2bin)
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- [`session_register_shutdown`](http://php.net/session_register_shutdown)
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More information can be found in the
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[main Polyfill README](https://github.com/symfony/polyfill/blob/master/README.md).
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License
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=======
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This library is released under the [MIT license](LICENSE).
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‎src/Php55/README.md‎

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Symfony Polyfill / Php55
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========================
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This component provides functions unavailable in releases prior to PHP 5.5:
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- [`boolval`](http://php.net/boolval)
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- [`json_last_error_msg`](http://php.net/json_last_error_msg)
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- [`array_column`](http://php.net/array_column)
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- [`hash_pbkdf2`](http://php.net/hash_pbkdf2)
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- `password_*` functions (from [ircmaxell/password_compat](https://github.com/ircmaxell/password_compat))
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More information can be found in the
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[main Polyfill README](https://github.com/symfony/polyfill/blob/master/README.md).
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License
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=======
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This library is released under the [MIT license](LICENSE).
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‎src/Php56/README.md‎

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Symfony Polyfill / Php56
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========================
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This component provides functions unavailable in releases prior to PHP 5.6:
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- [`hash_equals`](http://php.net/hash_equals) (part of [hash](http://php.net/hash) extension)
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- [`ldap_escape`](http://php.net/ldap_escape) (part of [ldap](http://php.net/ldap) extension)
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More information can be found in the
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[main Polyfill README](https://github.com/symfony/polyfill/blob/master/README.md).
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License
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=======
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This library is released under the [MIT license](LICENSE).
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‎src/Php70/README.md‎

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Symfony Polyfill / Php70
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========================
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This component provides functions unavailable in releases prior to PHP 7.0:
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- [`intdiv`](http://php.net/intdiv)
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- [`preg_replace_callback_array`](http://php.net/preg_replace_callback_array)
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- [`error_clear_last`](http://php.net/error_clear_last)
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- `random_bytes` and `random_int` (from [paragonie/random_compat](https://github.com/paragonie/random_compat))
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- [`*Error` throwable classes](http://php.net/Error)
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More information can be found in the
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[main Polyfill README](https://github.com/symfony/polyfill/blob/master/README.md).
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License
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=======
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This library is released under the [MIT license](LICENSE).

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