php命令行查指定扩展版本信息

1. 显示所有已安装扩展
   php -m

2. 显示指定扩展
   [root@2 ~]# php –ri gd

gd

GD Support => enabled
GD Version => bundled (2.1.0 compatible)
FreeType Support => enabled
FreeType Linkage => with freetype
FreeType Version => 2.9.1
GIF Read Support => enabled
GIF Create Support => enabled
JPEG Support => enabled
libJPEG Version => 6b
PNG Support => enabled
libPNG Version => 1.6.34
WBMP Support => enabled
XBM Support => enabled
WebP Support => enabled

Directive => Local Value => Master Value
gd.jpeg_ignore_warning => 1 => 1

3. 输出所有扩展版本
   [root@2 ~]# php -r ‘foreach (get_loaded_extensions() as $i => $name) { echo $i,”. “,$name, “=”, phpversion($name),PHP_EOL; }’
4. Core=7.3.29
5. date=7.3.29
6. libxml=7.3.29
7. openssl=7.3.29
8. pcre=7.3.29
9. sqlite3=7.3.29
10. zlib=7.3.29
11. bcmath=7.3.29
12. ctype=7.3.29
13. curl=7.3.29
14. dom=20031129
15. filter=7.3.29
16. ftp=7.3.29
17. gd=7.3.29
18. gettext=7.3.29
19. hash=7.3.29
20. iconv=7.3.29
21. intl=7.3.29
22. json=1.7.0
23. mbstring=7.3.29
24. SPL=7.3.29
25. session=7.3.29
26. pcntl=7.3.29
27. standard=7.3.29
28. PDO=7.3.29
29. mysqlnd=mysqlnd 5.0.12-dev - 20150407 - $Id: 7cc7cc96e675f6d72e5cf0f267f48e167c2abb23 $
30. pdo_sqlite=7.3.29
31. Phar=7.3.29
32. posix=7.3.29
33. Reflection=7.3.29
34. pdo_mysql=7.3.29
35. shmop=7.3.29
36. SimpleXML=7.3.29
37. soap=7.3.29
38. sockets=7.3.29
39. sodium=7.3.29
40. mysqli=7.3.29
41. sysvsem=7.3.29
42. tokenizer=7.3.29
43. xml=7.3.29
44. xmlreader=7.3.29
45. xmlrpc=7.3.29
46. xmlwriter=7.3.29
47. zip=1.15.4
48. redis=5.3.4
49. fileinfo=7.3.29
50. swoole=4.6.7
51. imagick=3.4.4
52. exif=7.3.29