PHP（外文名:PHP: Hypertext Preprocessor，中文名：“超文本预处理器”）是一种通用开源脚本语言。语法吸收了C语言、Java和Perl的特点，利于学习，使用广泛，主要适用于Web开发领域。PHP 独特的语法混合了C、Java、Perl以及PHP自创的语法。它可以比CGI或者Perl更快速地执行动态网页。用PHP做出的动态页面与其他的编程语言相比，PHP是将程序嵌入到HTML（标准通用标记语言下的一个应用）文档中去执行，执行效率比完全生成HTML标记的CGI要高许多；PHP还可以执行编译后代码，编译可以达到加密和优化代码运行，使代码运行更快。

Version 7.2.15

07 Feb 2019

• Core:
  • Fixed bug #77339 (__callStatic may get incorrect arguments).
  • Fixed bug #77494 (Disabling class causes segfault on member access).
  • Fixed bug #77530 (PHP crashes when parsing `(2)::class`).
• Curl:
  • Fixed bug #76675 (Segfault with H2 server push).
• GD:
  • Fixed bug #73281 (imagescale(…, IMG_BILINEAR_FIXED) can cause black border).
  • Fixed bug #73614 (gdImageFilledArc() doesn't properly draw pies).
  • Fixed bug #77272 (imagescale() may return image resource on failure).
  • Fixed bug #77391 (1bpp BMPs may fail to be loaded).
  • Fixed bug #77479 (imagewbmp() segfaults with very large images).
• ldap:
  • Fixed bug #77440 (ldap_bind using ldaps or ldap_start_tls()=exception in libcrypto-1_1-x64.dll).
• Mbstring:
  • Fixed bug #77454 (mb_scrub() silently truncates after a null byte).
• MySQLnd:
  • Fixed bug #75684 (In mysqlnd_ext_plugin.h the plugin methods family has no external visibility).
• Opcache:
  • Fixed bug #77361 (configure fails on 64-bit AIX when opcache enabled).
• OpenSSL:
  • Fixed bug #77390 (feof might hang on TLS streams in case of fragmented TLS records).
• PDO:
  • Fixed bug #77273 (array_walk_recursive corrupts value types leading to PDO failure).
• Sockets:
  • Fixed bug #76839 (socket_recvfrom may return an invalid 'from' address on MacOS).
• Standard:
  • Fixed bug #77395 (segfault about array_multisort).
  • Fixed bug #77439 (parse_str segfaults when inserting item into existing array).

Version 7.3.2

07 Feb 2019

• Core:
  • Fixed bug #77369 (memcpy with negative length via crafted DNS response).
  • Fixed bug #77387 (Recursion detection broken when printing GLOBALS).
  • Fixed bug #77376 ("undefined function" message no longer includes namespace).
  • Fixed bug #77357 (base64_encode / base64_decode doest not work on nested VM).
  • Fixed bug #77339 (__callStatic may get incorrect arguments).
  • Fixed bug #77317 (__DIR__, __FILE__, realpath() reveal physical path for subst virtual drive).
  • Fixed bug #77263 (Segfault when using 2 RecursiveFilterIterator).
  • Fixed bug #77447 (PHP 7.3 built with ASAN crashes in zend_cpu_supports_avx2).
  • Fixed bug #77484 (Zend engine crashes when calling realpath in invalid working dir).
• Curl:
  • Fixed bug #76675 (Segfault with H2 server push).
• Fileinfo:
  • Fixed bug #77346 (webm files incorrectly detected as application/octet-stream).
• FPM:
  • Fixed bug #77430 (php-fpm crashes with Main process exited, code=dumped, status=11/SEGV).
• GD:
  • Fixed bug #73281 (imagescale(…, IMG_BILINEAR_FIXED) can cause black border).
  • Fixed bug #73614 (gdImageFilledArc() doesn't properly draw pies).
  • Fixed bug #77272 (imagescale() may return image resource on failure).
  • Fixed bug #77391 (1bpp BMPs may fail to be loaded).
  • Fixed bug #77479 (imagewbmp() segfaults with very large images).
• ldap:
  • Fixed bug #77440 (ldap_bind using ldaps or ldap_start_tls()=exception in libcrypto-1_1-x64.dll).
• Mbstring:
  • Fixed bug #77428 (mb_ereg_replace() doesn't replace a substitution variable).
  • Fixed bug #77454 (mb_scrub() silently truncates after a null byte).
• MySQLnd:
  • Fixed bug #77308 (Unbuffered queries memory leak).
  • Fixed bug #75684 (In mysqlnd_ext_plugin.h the plugin methods family has no external visibility).
• Opcache:
  • Fixed bug #77266 (Assertion failed in dce_live_ranges).
  • Fixed bug #77257 (value of variable assigned in a switch() construct gets lost).
  • Fixed bug #77434 (php-fpm workers are segfaulting in zend_gc_addre).
  • Fixed bug #77361 (configure fails on 64-bit AIX when opcache enabled).
  • Fixed bug #77287 (Opcache literal compaction is incompatible with EXT opcodes).
• PCRE:
  • Fixed bug #77338 (get_browser with empty string).
• PDO:
  • Fixed bug #77273 (array_walk_recursive corrupts value types leading to PDO failure).
• PDO MySQL:
  • Fixed bug #77289 (PDO MySQL segfaults with persistent connection).
• SOAP:
  • Fixed bug #77410 (Segmentation Fault when executing method with an empty parameter).
• Sockets:
  • Fixed bug #76839 (socket_recvfrom may return an invalid 'from' address on MacOS).
• SPL:
  • Fixed bug #77298 (segfault occurs when add property to unserialized empty ArrayObject).
• Standard:
  • Fixed bug #77395 (segfault about array_multisort).
  • Fixed bug #77439 (parse_str segfaults when inserting item into existing array).

更新日志：http://www.php.net/ChangeLog-7.php

下载地址：http://www.php.net/download

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