Symfony Polyfill / Php70
This component provides features unavailable in releases prior to PHP 7.0:
intdivpreg_replace_callback_arrayerror_clear_last- 
random_bytesandrandom_int(from paragonie/random_compat) *Errorthrowable classesPHP_INT_MINSessionUpdateTimestampHandlerInterface
More information can be found in the main Polyfill README.
Compatibility notes
To write portable code between PHP5 and PHP7, some care must be taken:
- 
\*Errorexceptions must be caught before\Exception; - after calling 
error_clear_last(), the result of$e = error_get_last()must be verified usingisset($e['message'][0])instead ofnull !== $e. 
License
This library is released under the MIT license.