PHP 7.2.1 正式发布了。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。 该版本主要还是修复 bug，改进日志如下：
PHP 7.2.1
- Core:
. Fixed bug #75573 (Segmentation fault in 7.1.12 and 7.0.26). (Laruence)
. Fixed bug #75384 (PHP seems incompatible with OneDrive files on demand).
(Anatol)
. Fixed bug #75525 (Access Violation in vcruntime140.dll). (Anatol)
. Fixed bug #74862 (Unable to clone instance when private __clone defined).
(Daniel Ciochiu)
. Fixed bug #75074 (php-process crash when is_file() is used with strings
longer 260 chars). (Anatol)
- CLI server:
. Fixed bug #73830 (Directory does not exist). (Anatol)
- FPM:
. Fixed bug #64938 (libxml_disable_entity_loader setting is shared between
requests). (Remi)
- GD:
. Fixed bug #75571 (Potential infinite loop in gdImageCreateFromGifCtx).
(Christoph)
- Opcache:
. Fixed bug #75608 ("Narrowing occurred during type inference" error).
(Laruence, Dmitry)
. Fixed bug #75579 (Interned strings buffer overflow may cause crash).
(Dmitry)
. Fixed bug #75570 ("Narrowing occurred during type inference" error).
(Dmitry)
. Fixed bug #75556 (Invalid opcode 138/1/1). (Laruence)
- PCRE:
. Fixed bug #74183 (preg_last_error not returning error code after error).
(Andrew Nester)
- Phar:
. Fixed bug #74782 (remove file name from output to avoid XSS). (stas)
- Standard:
. Fixed bug #75511 (fread not free unused buffer). (Laruence)
. Fixed bug #75514 (mt_rand returns value outside [$min,$max]+ on 32-bit)
(Remi)
. Fixed bug #75535 (Inappropriately parsing HTTP response leads to PHP
segment fault). (Nikita)
. Fixed bug #75409 (accept EFAULT in addition to ENOSYS as indicator
that getrandom() is missing). (sarciszewski)
. Fixed bug #73124 (php_ini_scanned_files() not reporting correctly).
(John Stevenson)
. Fixed bug #75574 (putenv does not work properly if parameter contains
non-ASCII unicode character). (Anatol)
- Zip:
. Fixed bug #75540 (Segfault with libzip 1.3.1). (Remi)
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