PHP是一種通用開源腳本語言。語法吸收了C語言、Java和Perl的特點，利於學習，使用廣泛，主要適用於Web開發領域。PHP獨特的語法混合了C、Java、Perl以及PHP自創的語法。它可以比CGI或者Perl更快速地執行動態網頁。今日發布了三個更新版本，這三個版本主要都是安全方面的更新，詳細改進記錄如下：

Version 7.1.28

04 Apr 2019

• EXIF:
  • Fixed bug  #77753  (Heap-buffer-overflow in php_ifd_get32s).
  • Fixed bug  #77831  (Heap-buffer-overflow in exif_iif_add_value).
• SQLite3:
  • Added sqlite3.defensive INI directive.

Version 7.3.4

04 Apr 2019

• Core:
  • Fixed bug  #77738  (Nullptr deref in zend_compile_expr).
  • Fixed bug  #77660  (Segmentation fault on break 2147483648).
  • Fixed bug  #77652  (Anonymous classes can lose their interface information).
  • Fixed bug  #77345  (Stack Overflow caused by circular reference in garbage collection).
  • Fixed bug  #76956  (Wrong value for ‘syslog.filter’ documented in php.ini).
• Apache2Handler:
  • Fixed bug  #77648  (BOM in sapi/apache2handler/php_functions.c).
• Bcmath:
  • Fixed bug  #77742  (bcpow() implementation related to gcc compiler optimization).
• CLI Server:
  • Fixed bug  #77722  (Incorrect IP set to $_SERVER[‘REMOTE_ADDR’] on the localhost).
• COM:
  • Fixed bug  #77578  (Crash when php unload).
• EXIF:
  • Fixed bug  #77753  (Heap-buffer-overflow in php_ifd_get32s).
  • Fixed bug  #77831  (Heap-buffer-overflow in exif_iif_add_value).
• FPM:
  • Fixed bug  #77677  (FPM fails to build on AIX due to missing WCOREDUMP).
• GD:
  • Fixed bug  #77700  (Writing truecolor images as GIF ignores interlace flag).
• MySQLi:
  • Fixed bug  #77597  (mysqli_fetch_field hangs scripts).
• Opcache:
  • Fixed bug  #77743  (Incorrect pi node insertion for jmpznz with identical successors).
• PCRE:
  • Fixed bug  #76127  (preg_split does not raise an error on invalid UTF-8).
• Phar:
  • Fixed bug  #77697  (Crash on Big_Endian platform).
• phpdbg:
  • Fixed bug  #77767  (phpdbg break cmd aliases listed in help do not match actual aliases).
• sodium:
  • Fixed bug  #77646  (sign_detached() strings not terminated).
• SQLite3:
  • Added sqlite3.defensive INI directive.
• Standard:
  • Fixed bug  #77664  (Segmentation fault when using undefined constant in custom wrapper).
  • Fixed bug  #77669  (Crash in extract() when overwriting extracted array).
  • Fixed bug  #76717  (var_export() does not create a parsable value for PHP_INT_MIN).
  • Fixed bug  #77765  (FTP stream wrapper should set the directory as executable).

下載地址：

https://www.php.net/downloads.php