PHP启动：动态库加载失败（PHP Warning: PHP Startup: Unable to load dynamic library '/usr/local/php7/lib/php/extensions/no-debug-non-zts-20151

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今天在linux上面智障一般搞了好久，本来想安装个swoole的，然后用 php -m 的命令想看下安装的PHP扩展库，发现有的扩展库有的可以出来，有的加载失败，

加载失败的错误类型：

PHP Warning: PHP Startup: Unable to load dynamic library '/usr/local/php7/lib/php/extensions/no-debug-non-zts-20151012/memcached.so' - /usr/local/php7/lib/php/extensions/no-debug-non-zts-20151012/memcached.so: undefined symbol: zend_new_interned_string in Unknown on line 0

[root@pys /]# php -m PHP Warning: PHP Startup: Unable to load dynamic library '/usr/local/php7/lib/php/extensions/no-debug-non-zts-20151012/memcached.so' - /usr/local/php7/lib/php/extensions/no-debug-non-zts-20151012/memcached.so: undefined symbol: zend_new_interned_string in Unknown on line 0 PHP Warning: PHP Startup: Unable to load dynamic library '/usr/local/php7/lib/php/extensions/no-debug-non-zts-20151012/swoole.so' - /usr/local/php7/lib/php/extensions/no-debug-non-zts-20151012/swoole.so: undefined symbol: zend_new_interned_string in Unknown on line 0 PHP Warning: PHP Startup: Unable to load dynamic library '/usr/local/php7/lib/php/extensions/no-debug-non-zts-20151012/redis.so' - /usr/local/php7/lib/php/extensions/no-debug-non-zts-20151012/redis.so: undefined symbol: zend_new_interned_string in Unknown on line 0 PHP Warning: PHP Startup: Unable to load dynamic library '/usr/local/php7/lib/php/extensions/no-debug-non-zts-20151012/curl.so' - /usr/local/php7/lib/php/extensions/no-debug-non-zts-20151012/curl.so: cannot open shared object file: No such file or directory in Unknown on line 0 PHP Warning: PHP Startup: Unable to load dynamic library '/usr/local/php7/lib/php/extensions/no-debug-non-zts-20151012/fileinfo.so' - /usr/local/php7/lib/php/extensions/no-debug-non-zts-20151012/fileinfo.so: cannot open shared object file: No such file or directory in Unknown on line 0 PHP Warning: PHP Startup: Unable to load dynamic library '/usr/local/php7/lib/php/extensions/no-debug-non-zts-20151012/gd.so' - /usr/local/php7/lib/php/extensions/no-debug-non-zts-20151012/gd.so: cannot open shared object file: No such file or directory in Unknown on line 0 PHP Warning: PHP Startup: Unable to load dynamic library '/usr/local/php7/lib/php/extensions/no-debug-non-zts-20151012/json.so' - /usr/local/php7/lib/php/extensions/no-debug-non-zts-20151012/json.so: cannot open shared object file: No such file or directory in Unknown on line 0 PHP Warning: PHP Startup: Unable to load dynamic library '/usr/local/php7/lib/php/extensions/no-debug-non-zts-20151012/phar.so' - /usr/local/php7/lib/php/extensions/no-debug-non-zts-20151012/phar.so: cannot open shared object file: No such file or directory in Unknown on line 0 PHP Warning: PHP Startup: Unable to load dynamic library '/usr/local/php7/lib/php/extensions/no-debug-non-zts-20151012/zip.so' - /usr/local/php7/lib/php/extensions/no-debug-non-zts-20151012/zip.so: cannot open shared object file: No such file or directory in Unknown on line 0 [PHP Modules] calendar ctype filter gettext

上面的意思是：找不到扩展库的路径；这是为什么尼？不是有的扩展库也可以出来吗？

然后我是百度上找各种答案，并不能解决我的问题，最后自己发现问题所在：

因为我并没有为所有的扩展库加了快捷链接，以为在哪里只要用 php -m 的命令就可以查看所有的扩展库。

其实是要：/usr/local/php7/bin/php -m 这个命令才可以，我的是PHP7.0版本的，其他版本自己换下这个路径就好。

如此，就可以看到所有的扩展库了：

[root@pys bin]# /usr/local/php7/bin/php -m 
[PHP Modules]
bcmath
ctype
fileinfo
filter
gettext
iconv
libxml
mbstring
mcrypt
memcached
mysqli
mysqlnd
openssl
pcntl
pdo_mysql
pdo_sqlite
posix
redis
Reflection
session
shmop
SimpleXML
sockets
sqlite3
standard
swoole
sysvsem
tokenizer
xmlreader
xmlrpc
xmlwriter
[Zend Modules]

你的坚持 ------ 终将美好 ~