PHP 7.2.0 RC3 发布了。PHP（PHP：Hypertext Preprocessor）是一种在电脑上执行的脚本语言，主要是用途在于处理动态网页，也包含了命令列执行接口（command line interface），或者产生图形使用者接口（GUI）程式。改进日志如下：
Core
- Fixed bug #75241 (Null pointer dereference in zend_mm_alloc_small()). (Laruence)
- Fixed bug #74878 (Data race in ZTS builds). (Nikita, Dmitry)
- Fixed bug #75236 (infinite loop when printing an error-message). (Andrea)
- Fixed bug #75252 (Incorrect token formatting on two parse errors in one request). (Nikita)
FPM:
- Fixed bug #75212 (php_value acts like php_admin_value). (Remi)
MySQLi:
- Fixed bug #75018 (Data corruption when reading fields of bit type). (Anatol)
Opcache:
- Fixed bug #75230 (Invalid opcode 49/1/8 using opcache). (Laruence)
PCRE:
- Fixed bug ##75223 (PCRE JIT broken in 7.2). (Dmitry)
PDO_mysql:
- Fixed bug #75177 (Type ‘bit’ is fetched as unexpected string). (Anatol)
SPL:
- Fixed bug #73629 (SplDoublyLinkedList::setIteratorMode masks intern flags). (J. Jeising, cmb)
